Roaches

How to Get Rid of Cockroaches

Cockroaches are one of the most efficient and adaptable living organisms on the planet. They are also large and unsightly creatures that are the bane of homeowners around the globe. This guide will walk you through the process of containing and eliminating a cockroach infestation in your home environment.

1. Cockroach population distribution

Control measures are basically the same for the thousands of different cockroach species, so there is no need to determine which species has infested your home. The main difference lies in population distribution. Inside buildings certain cockroach species will distribute themselves evenly, while others congregate in groups. The first step in roach control is to identify where the roaches are gathering and how many you have.

The easiest and most effective method of monitoring cockroach populations is with traps. You can purchase inexpensive sticky traps at any hardware store or you can make your own. To make your own, gather a quantity of 1-quart mason jars and coat the inside of the rims with petroleum jelly to keep roaches from escaping. Place a piece of white bread inside to attract them and your trap is ready. Place as many traps as you can throughout your environment. In corners, in cabinets, on shelves, underneath furniture, in bathrooms. The idea is to distribute the traps evenly so the numbers of captured roaches can be used to determine what areas they are concentrated in. This will show you where to direct your pest-control efforts.

Let the traps sit out for twenty-four hours and then return to them and record the number of roaches that were captured in each one. Kill captured roaches by filling the jars with hot, soapy water. Reset the traps and move the ones that performed poorly into areas of higher roach concentration. Return in another 24 hours to further pinpoint the areas in which they are gathering. Repeat this step until you have a good idea of where they are hanging out. The more traps you use, the faster you will find them all. Remember that roaches tend to travel along the edges of things rather than out into the open so place the traps accordingly.

2. Eliminate sources of the cockroach infestation

In this step we will roach-proof all of your food supplies, water supplies and points of entry.

Roach-proofing food sources

Roaches will eat any available foods, but they prefer carbohydrates. The catch is that they can eat any type of carbohydrate, including those found in glues, bar soaps, and certain plants. Trade in the bar soaps for a liquid variety and apply petroleum jelly around the outside edges of potted plants to keep the roaches out. It is of utmost importance to overhaul your food storage routines as well. Roaches can chew threw paper, cardboard, and brittle plastics so any foods that rely on these things for storage are vulnerable. Purchase a set of glass or plastic containers with tight-fitting lids and immediately transfer anything that comes in bags or boxes into appropriate containers. Make sure the seal on your refrigerator is clean and complete, and keep all refrigerated foods sealed as tightly as the non-refrigerated foods.

It’s important also to modify your kitchen routines. Immediately wipe down any surface used when preparing food, and sweep the kitchen out every day or two. Clean up spills and periodically clean anywhere that grease or cooking residues collect such as stovetops and inside ovens. Store organic wastes separately in a large, plastic container that seals tightly and either compost it outside or throw it away when you take out the trash. When the container gets soiled, soak it in a mild water-bleach solution for a few hours. Use a trash can that has a tightly sealing lid to deny roaches access to your refuse, and clean it as soon as it gets dirty. If you have exposed pet dishes, place them in pans of soapy water to create a moat around the food. Watch for crumbs spilled by your pet and don’t let the moat dry up. At night, plug and dry your sinks to keep roaches from entering from the drains or easily locating water.

Roach shelters and breeding grounds

Roaches prefer dark, warm and moist areas. This means they are likely to hang out underneath refrigerators, inside electrical equipment and outlets, around stovetops, and near any leaky pipes. Thoroughly move through the areas that traps reveal as being population focal points and seal up all nooks, crannies, and cracks that you find with silicone caulking or an appropriate filler material . Cockroaches can fit into cracks as small as 1/5″ so be thorough.

Roach-proofing methods of entry

Outside of your home roaches will accumulate anywhere there is decaying organic matter. Clean up and clear out dead leaves, overgrown grass and weeds, and any moist areas that collect organic wastes. Pay special attention to overgrowth that is right up against your home.

In apartment buildings, roaches can gain entry to your living space through unprotected vents, ducts and drains. Combat this weakness by removing vents and placing screens behind them. Seal the edges of the screen against the duct opening with silicone caulk and replace the vent. Next, check that all of your windows have undamaged screens. Any small holes you find in a screen can be repaired with a dab of silicone caulk. Doors should have weather stripping applied over any crack that could allow a roach to enter, and drains should be closed up every night before retiring.(Read, how to use silicone caulk)

3. Eliminate the current cockroach population

If the previous steps were not efficient enough to diminish the population by themselves, you will likely want to use them in addition to one of the following insecticides. Use chemical insecticides sparingly as roaches can easily become immune to new measures. Instead, start with an insecticidal dust. After implementing one of the following measures, be sure to repeat the trapping exercise you performed in step 1 to understand how the population was effected.

Insecticidal dusts

Popular insecticidal dusts include Diatomaceous earth and boric acid (Borax). Diatomaceous earth kills roaches by damaging their exoskeletons and then dehydrating them through the wounds. Boric acid works by poisoning them. Of the two, boric acid is the most effective because it does not repel roaches, they do not develop resistance to it, and it will last for as long as it is kept dry. The downside is that it can take up to 10 days to begin working whereas diatomaceous earth begins working immediately after application. When applying dusts, be careful to keep them out of the air.

Hydramethylnon based bait stations

Insecticidal baits are used to kill roach populations without covering your environment with poison. Use only those baits that come in tamper-proof bait stations and always keep them inaccessible to children and pets. Some varieties of Combat and maxforce roach bait stations use the poison Hydramethylnon which kills roaches within 3 days of consumption. These work well, but the bait can be quickly used up in infested areas, so replace them often at first – especially if you notice roaches living inside of them.

Avermectin

Avermectin (Avert) is another commonly used poison that is derived from the naturally occurring soil microorganism streptomyces avermitilis. It works exceptionally well but can only be applied by a licensed professional.

Insect growth regulators (IGR’s)

Insect growth regulators work by impeding the developmental process of an insect. In cockroaches they cause sterility in adults. Adults that were resident before the application will be unaffected and will still be able to reproduce, but if there are no neighboring areas of infestation to replenish non-sterile adults this treatment method should eventually cause your roach population to wither and disappear.

Carbon dioxide fumigation

Call your local pest control professional to find out if they are equipped for carbon dioxide fumigation. The process involves filling huge plastic bags with roach infested belongings and then suctioning out the air and replacing it with carbon dioxide, killing any roaches inside. This may work well if you are about to move and don’t want to bring the roaches with you.

Steam cleaning

Steam can also be used to kill roaches. It can be shot into holes, cracks, and underneath appliances to kill any resident roaches.

Foggers

Compared to the above methods, foggers are ineffective. They are marketed to people who do not want to expend the effort necessary to intelligently fight their roach infestation and they expose all of the home’s occupants to whatever poisons are in the treatment. Any cockroaches will likely retreat into their hiding places and wait until the fog dissipates before returning to the open. The dried poison residue that remains on all of your living surfaces will not kill them. Stay away from foggers.

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About the author

Nicole Harding

100 Comments

  • ROACH MEDICINE

    1/4 cup shortening
    1/8 cup sugar
    1/2 cup flour
    8oz Boric Acid
    mix with just enough water to make a doughy paste
    form into small balls
    put a small ball into a small empty container
    such as a pill bottle
    place in obvious places such as under sinks, lavatories, bathtubs, and any spot that might be vulnerable.
    This recipe will work for a few months – then repeat at first sign of reappearance.

  • equal parts boric acid powdered suger and peanut butter.place i infested areas will work for a few months but needs to be replaced when you start seeing them again.

  • We’ve found that pouring household bleach down all the drains in the house and letting it sit for 10 minutes or so,then rinsing the sinks, keeps the roaches away for a week or so. We also put bleach tabs in the toilet tank every 30 days.

  • I use the lysol with bleach, I just sray it all over the floor and in the cracks in my kitchen, just everywhere. I leave it all night, it actually kills them.

  • My dad once told me to spary antifreeze along the roof and floors and the cracks of the apartment. It work to prevet them from coming in all u got to do is kill the ones in side. Don’t do this if u have pets or children.

  • The boric acid recipes really do work. However, if you have pets or small children in the house you need to make sure you put the mixture in a place where children or house hold pets can not get to it. It can make them very ill and in some instances cause death. Especially to a small animal.

  • I’ve seen this on the Internet and have used it. It’s pretty effective. Get coffee grind, pour a little into a wide mouthed jar and cover it slightly with a bit of water. You should get a nice aroma. Put or lean these traps along walls or corners where roaches might frequent. You can even get inventive and attach masking tape or build ramps up to the jar. The roaches will smell the aroma, fall into the bottom and never get out. During one infestation, I caught well over 40+ roaches in one jar alone.

  • pandan leaves can kill roaches. put the leaf/leaves under the sink & cupboard, leave it there. the following morning you will see them dead. pandan can last for a week.

  • When I purchased my condo I found roches and went nuts. Luckily the Condo association sent over an exterminator. A guy from Arrow pest control showed up he used max force bait stations, IGRS, and a brown caulk looking chemical he applied to the corner of my cabinets. 2 weeks later I was roach free and have been for 4 years now! If you have roaches call a professional, It’s worth the peace of mind.

  • We have a professional company coming(once and month) for over 6 mos and still have the little buggers… We are at witends….So we will be trying traps,and bortic acid everwhere.

  • What i did when i found out i had cockroaches-MOVE!!!! its very hard to remove these little pest,unless the rest of the building does it with you…or just live with it if you can.

  • Short of arson, what is a sure cure? In a test in a drawer, I thoroughly cleaned it. I used equal amounts of T-Tree oil and Citronila oil on a rag. After wiping the entire drawer thoroughly with the mixture, the roaches avoided it until the mixture wore off after a week or two. So use every week and until they are all dead maybe they can be kept out of your important stuff. Also what about aromatic Cedar vaneer lining your cupboards etc. or would they eat it?

  • I use to live in the South not all that long ago on a military base. The housing was beyond horrible and roaches were the only ones who loved the houses. One thing that I found that helped was buying the bug killer(in a gallon size container) that has a handle to spray. I forget what its called, but you can spray it inside your house as well as outside. I never sprayed it inside because of having kids, but sprayed it all around the outside every couple months and didn’t have to worry much at all. Only saw two total last year and actually saw them come through the crack of the door. So I killed them instantly and knew it was time to spray more outside.

    Also to be safe, its good to get the roach motels and stick them behind your fridge and anywheres pets and kids wouldn’t be able to get them.

  • What works for me is a combination of spray and bait stations. once a week i spray all the bottom trim of my apartment also the top, bottom and side edges of all my doors and windows including the inside of my kitchen cabinets. I also have pets I make sure to remove their water and food tray’s every nigth. I recently startes using boric acid in a chalk form and found that it works well. Hope any of this tips help and good luck with the war agains roaches. :- )

  • Also at my wit’s ends with roaches. I live in an apt building and I AM moving but I don’t want to drag these to my new place..they are in my telephones mostly and somewhat around my computer and under the coffee table and I guess they crawl up the legs of the table and,ugh. I was just looking for the best thing instead of selling all my furniture. The baits, gel or both? I don’t want foggers. I did read about home use of IGR. Help anyone?

  • years ago i used the boric acid balls i had moved into a house that had them so bad that i had to stay up all nite killing them ….well i did the boric acid balls and let me tell you it got rid of every one of them …it was the best stuff i have ever found …you just have to make sure that you put it in places where kids or animals cant reach or get into

  • I recently moved into a house with lots of trees in the front and back and I discovered that they actully squees themselfs from under the doors.So now I have a rug under the door and I havent seen them for like almost a year.

  • the scent of pandan leaves can help in cockroach control…its fragrant smell will drive the cockroaches away…now, we are working on our researches so that our group can produce cockroach killer from pandan leaves…pls. support us…

  • first they wer only in my kitchen!!! over my electric cooker!!! and all over the kitchen really! and now, they have travled to my bedroom, living room, and even on my computer desk! im so scared of touching anything at all, they are such revolting living things. i get goosbumps. and shivers when i see 1 or thing of one!!!

  • Sometimes my wife leaves un finished cups of coffee with crean and sugar out. In the morning I find them filled with dead cockroaches. Theoreticaly if a person left enough cups, bowls or pans out filled with coffee, cream & sugar, one could eventually be rid of roaches.

  • okay, i moved into a house and they were EVERYWHERE! my dad told me of a mixture not only drove them away, and kept them out. but also killed every last one of them INSTANTLY!. get a mixing bowl “disposable”, mix 1 quart of 10w30 motor oil, 2 ounces of bleach, 1 tbs of salt, and 1 cup of corn starch. mix he contents up very well. get a paint brush, and put under sinks, behind appliances, or where the general population is. guaranteed to work in two days!

  • Raid makes a gel that comes in a syringe looking thing it works I lined every corner there gone never saw another , I have even does quick cabanit tests and nothing . so you can try that whats it going to hurt !

  • a combination of boric acid, bait traps, and roach gel and there are no more roaches…boric acid works but take time.

    Keep applying the bait traps even after you kill the buggers because they will return if you live in a building with other apartments that could be dirty, and attract roaches.

  • i have a one mth old and did not want to use stuff thata would hurt him so i used boric aci i sprayed it all over my floors at night and when i woke the next day i would clean my floors and do it all over again the next night and keeped doing it for a month and it seemed to help it dose not cost that much so you can doing for a pretty cheap rate

  • well,,,,,,,, I married a hard working woman, she had a dog when we met due to senority the pooch had ‘ it lives in the house water bowls,,, food bowls,,, dog dung,,, now 4 parakeets. and two more dogs her bro moved in with his wife from an apartment. infested with roaches.oh yes the fish aquarium. got rid of the in-law problem well ya,ll know what i,m left with the wife don,t seem to mind the roaches much. we bought this new double wide 4 years ago, i,m so aggrevated to no end i spray all the time, with very limited results. i,ll try all the things i,ve read about tonight boric acid borax traps and baits. but people my wife ie a yankee from Ill. and is not a susie home maker. she,s nasty. help!!!!!!!!!!

  • First things first…

    Put all dry goods in thick plastic or glass containers!! You must not leave any temptation for the little buggers. I even go so far as to wash the tops of my syrup bottles, and anything sweet. All my sugar goes into plastic containers or mason jars with tight fitting lids.

    Also, remember to put pet food in plastic containers! They LOVE pet food!

    I get the liquid bait traps by HotShot, which contain both food AND water. I placed them last week and haven’t seen a roach yet.

    I also got the deep penetrating spray and sprayed all around my cabinets, under the fridge and around the door jamb. My husband got the gallon spray @ Wal-Mart and sprayed the outside.

    So far, everything has been ok. Now that I sealed up my kitchen like Ft. Knox, I haven’t seen hide nor antenna of the nasty things.

  • the thing is if you see a cockroach…dont kill it by urself. cockroaches are pests yes…but the truth about them will scare you to death. cockroaches carry their eggs on themelves. if you squish one….its on ur shoe…and it spreads to where ever you go. cockroaches can live 3 days without their head. they mate once…and some stay pregnant forever till death….leaving their children every where they go in their life. one way i have learned is that they cant pass gass. jiffy mix will make them explode. one way to help slow down the population is sticky traps that they cant get away from. the only problem is is that they will only get stuck is if inside…put a peice of food on the inside small enoughto attract them. buy numerous traps for cubbords and get online cause well.. there is bug sprays online cheap. most have no smell…leave no resedue…and they kill the bugs… without you touching them. other help tips are online as well…not jus this website….as you may know. i jus hope u got the message….do not kill them urself…

  • boric acid powder has always worked for me for years ,just sprinkle it out wherever you see their small black droplets, they’ll walk through it and they’ll also take it back to their nest in the walls to all the other roaches, pretty soon you’ll start seeing dead roaches on their backs ,it’s a wonderful sight, I have turned people on to this cure for many years with many thanks.

  • Cockroaches can slip through very thin cracks.

    1. Check all your weatherstripping. If you can slide a piece of paper through, a cockroach can slip through. You can beef up thin spots with caulking, glue, tape, etc. Check all doors and windows thoroughly, prodding with a thin strip.

    2. Check every hole in every wall, really. Pipes go through walls via holes. Seal these holes with expanding foam and tape. Removed your medicine cabinet and you will no doubt see how cockroaches can enter your bathroom from inside the walls: seal the medicine cabinet inside and out. All your electrical power comes through holes in the walls. Outlets are dangerous to work around, so turn off the power at the breaker box before sealing the insides of the outlets and any gaps between the box and the wall.

    3. Wherever walls meet floors there are cracks. You can seal them with expanding foam for the worst parts, caulking and tape for the better parts.

    4. If you suspect cockroaches are coming up the drains, invert glass jars over the drains overnight, then sneak up on each one with a powerful flashlight.

    Knowing how the roaches get in lets you slam the door on the little ******* and lock them out.

  • Help! am infested to the throat. i have like a million of them in my new appartment that i just move in 5 months ago and they coming from the other appartments.

  • Bob,

    First of all, if your wife is a slob, it’s not because she’s a Yankee. I am also a Yankee that moved from Illinois to HELL….ooops, I mean Georgia. I am nowhere near anal retentive about a clean house (I don’t dust every day, I clean the bathroom once a week, I vacuum twice a week, etc.) Also…we have 3 children, 2 dogs, a cat and a snake. So…your excuses about your wife being a slob because she’s a Yankee is C-R-A-P.

  • I wanted to remind everyone, some species of roaches fly. I have seen them. If you leave your doors open, they can fly right in. I had one do that to me just this evening. That one person who said that you shouldn’t kill them with your shoe was dead on. You not only spread eggs but also spread their germs. You should use a contact spray (which kills on contact) or a paper towel that you can discard in the toilet. Also, I use a 12 month control spray around the perimeter and only see one or two a year. Usually because I leave the door open way to long. If you are moving because of an infestation, which I have done before, and you don’t wanna take em with you when you go, get some raid spray and spray your cardboard boxes. That will keep them out of your boxes and your new home. Oh and just to be sure they don’t sneak in the boxes while your packing, pack one box at a time and seal it tight. No roaches in your new home. Bye bye all.

  • I had roaches and my apartment is currently being sprayed monthly for 6 months and they applied max force gel bait all over the kitchen where I had them and I havent seen any for almost a month now……this stuff works GREAT! It is the answer I think. He said it lasts up to 9 months we will see about that, but he also put max force baits out behind the refrigerator because it is warm behind there and they like that. I’m hoping I dont see anymore. I didnt have a big infestation to begin with, but just seeing them in my apartment was enough for me to go bolistic. I am planning on moving in February and DONT want to take any with me!!!

  • I live in an old and Large apt. Complex where just about everyone is infested. And
    now I want to try some of the remedys that ya’ll have posted but whats the point?? Should I talk to the managers or owners about the problem

  • Melanie said jiffy mix will make them explode if ingested…Does anyone know if this works? We’ve never had roaches before & my husband unknowingly brought home some hitch-hikers in a used stereo he got from somebody, I’ve put out some baits but they freak me out so much I want to use anything and everything I can to get rid of them, I have kids and pets…Advice PLEASE!!!

  • Well, I noticed some people asked how not to take the roaches with you to your new place. My suggestion, leave everything behind that they can get into. I’d rather spend the money to buy new things and have the peace of mind I didn’t bring along critters to my new place. AND THIS IS THE MOST IMPORTANT THING TO ANYBODY THAT MOST PEOPLE DO NOT THING ABOUT WHEN MOVING INTO A NEW PLACE, Before getting settled in with furniture, this is the best time to go over the whole area with a fine tooth comb to check for cracks that anything can come in through, I recomend the first thing you do is pull out the refridgerator, stove, dishwasher, any kitchen appliance and clean behind them, and if the fridge has an icemaker, make sure you caulk where the water line comes up, same thing for dishasher if any holes are open where pipes come up, as far as for the drain pipe under the kitchen and bathroom sinks go, most of the time in trailers or apt you will find that there is a hole big enuff for a rat to come up through, you will need to take care of that IMMEDIATELY, cauld will not work. AND I’m not talking about the hole that is on the bottom shelf beneath the sink either, that has to be pulled up. It’s probable nailed down but who cares, even if you have to cut into that to get it up so you can get to the floor level beneath it do it, you can always get it back on there some how and cover back up with cabinet lining so the landlord won’t know. Well, after you get to the floor and see the big whole i’m talking about where the pipes are coming up. Take a piece of plywood or other thick wood, get a drill and a hole saw, and a spade bit for the smaller holes where water lines come in. I would suggest about a 1 foot square for the plywood. The hole saw has to be the same diameter or just a hair bigger than the drain pipe. And same for the spade bit for the water lines. Depending on how it’s laid out as far as the piping goes that is coming up will depend on how u go about this. You may have to cut the plywood in too pieces to start off with, one for the drain and one for the water lines coming in. If so drill the hole for the drain pipe in one piece, afterwords, use a circular saw or a jigsaw and go down the middle of that piece, now you have to pieced of plywood with a half-hole cut out to place around the drain pipe. Do that and then screw down with some drywall screws, and then caulk any small cracks that were left. Usually the water lines will come up very close together with in a inch or two apart. So in that case you have to measure exactly how far apart they are, then transfer the measurements to your other piece of plywood. Then use your spade bit, drill your two holes, and then cut down the middle between the two holes. now you can do the same as u done with the pieces you used for the drain line. And caulk and screw down to secure. This will work, I’m not gonna make a guarantee that this will keep roaches out,
    But all of them mice dropping I bet that you found when u first pulled out your stove to clean behind it, you won’t find no more of those in your place. It will keep mice and mice out rats definately. Only however if you do this for every opening in the entire living space, including under your bathroom sinks and tubs. DO ALL OF THESE THINGS BEFORE U GET SETTLED IN TO YOUR NEW PLACE IT WILL HELP YOU OUT IN THE LONG RUN, I know how everyone is usually excited about the new place and wants to move in right away, but first inspect for cracks and other openings and things like that first. This will still work if you are already moved in and living in the house or trailer or whatever, but it’s alot harder to inspect everything well with all your stuff in the house.

  • well i would say using a glass or plastic container a big one if a mass infestation and fill it with carbonhydrates that roaches are attracted to, then boil cold water (the water MUST start cold) until bubbling then fill the container with the boiling water and place in the coldest part of ur house where the majority of the population is most likely to be and leave it for seven hrs and check on it every two hours after if a mass of roaches accumalate move the trap to certain points of interest and see if they gather even more when u find their hidey hole seal it with tooth paste TOOTH PASTE! no glue NONE this isnt guarnateed to work because the result varies by the size of your house and your patience but HEY! every thing is worth a try am i right?

  • I live in a apartment building which is infested,someone told me that the herb Bay Leaves was good but it didnt work for me.

    Where can i get Boric Acid in Australia?
    I spray using baygon etc but i seem to have very small cockies,not those big ones,.

  • Man, what the ****.. i have thousands of roaches living on my computer desk!! Inside the cpu, inside the modem, i think cause its nice and toasty, i put boric acid underneath the cpu like a month ago,, i see hundreds dead, but i see hundreds of newly hatch ones running around with larger ones. I only get the small ones also. How long is boric acid effective. I seem to have more than what i started with. i hate roaches!!!!!!!!!

  • We’ve found that pouring household bleach down all the drains in the house and letting it sit for 10 minutes or so,then rinsing the sinks, keeps the roaches away for a week or so. We also put bleach tabs in the toilet tank every 30 days.
    Well, I noticed some people asked how not to take the roaches with you to your new place. My suggestion, leave everything behind that they can get into. I’d rather spend the money to buy new things and have the peace of mind I didn’t bring along critters to my new place. AND THIS IS THE MOST IMPORTANT THING TO ANYBODY THAT MOST PEOPLE DO NOT THING ABOUT WHEN MOVING INTO A NEW PLACE, Before getting settled in with furniture, this is the best time to go over the whole area with a fine tooth comb to check for cracks that anything can come in through, I recomend the first thing you do is pull out the refridgerator, stove, dishwasher, any kitchen appliance and clean behind them, and if the fridge has an icemaker, make sure you caulk where the water line comes up, same thing for dishasher if any holes are open where pipes come up, as far as for the drain pipe under the kitchen and bathroom sinks go, most of the time in trailers or apt you will find that there is a hole big enuff for a rat to come up through, you will need to take care of that IMMEDIATELY, cauld will not work. AND I’m not talking about the hole that is on the bottom shelf beneath the sink either, that has to be pulled up. It’s probable nailed down but who cares, even if you have to cut into that to get it up so you can get to the floor level beneath it do it, you can always get it back on there some how and cover back up with cabinet lining so the landlord won’t know. Well, after you get to the floor and see the big whole i’m talking about where the pipes are coming up. Take a piece of plywood or other thick wood, get a drill and a hole saw, and a spade bit for the smaller holes where water lines come in. I would suggest about a 1 foot square for the plywood. The hole saw has to be the same diameter or just a hair bigger than the drain pipe. And same for the spade bit for the water lines. Depending on how it’s laid out as far as the piping goes that is coming up will depend on how u go about this. You may have to cut the plywood in too pieces to start off with, one for the drain and one for the water lines coming in. If so drill the hole for the drain pipe in one piece, afterwords, use a circular saw or a jigsaw and go down the middle of that piece, now you have to pieced of plywood with a half-hole cut out to place around the drain pipe. Do that and then screw down with some drywall screws, and then caulk any small cracks that were left. Usually the water lines will come up very close together with in a inch or two apart. So in that case you have to measure exactly how far apart they are, then transfer the measurements to your other piece of plywood. Then use your spade bit, drill your two holes, and then cut down the middle between the two holes. now you can do the same as u done with the pieces you used for the drain line. And caulk and screw down to secure. This will work, I’m not gonna make a guarantee that this will keep roaches out,
    But all of them mice dropping I bet that you found when u first pulled out your stove to clean behind it, you won’t find no more of those in your place. It will keep mice and mice out rats definately. Only however if you do this for every opening in the entire living space, including under your bathroom sinks and tubs. DO ALL OF THESE THINGS BEFORE U GET SETTLED IN TO YOUR NEW PLACE IT WILL HELP YOU OUT IN THE LONG RUN, I know how everyone is usually excited about the new place and wants to move in right away, but first inspect for cracks and other openings and things like that first. This will still work if you are already moved in and living in the house or trailer or whatever, but it’s alot harder to inspect everything well with all your stuff in the house.
    I live in a apartment building which is infested,someone told me that the herb Bay Leaves was good but it didnt work for me.

    Where can i get Boric Acid in Australia?
    I spray using baygon etc but i seem to have very small cockies,not those big ones,.I use the lysol with bleach, I just sray it all over the floor and in the cracks in my kitchen, just everywhere. I leave it all night, it actually kills them.

  • Best thing is to try and leave the accommodation as quickly as possible. See, you can’t get lose of these bad boys (roaches). They are VERY repulsive and hideous. Another thing I can tell you is that if you tried everything and it fails, then try God.

  • I just found this site tonight and Im gonna try several of these remedies and HOPELY they will do the trick. Thanks to all of you who took the time to give others some advice. My mothers house caught on fire and they moved in with my husband and I. Everything that people gave to them (even though we told her to leave it outside) they brought it into my home. I cant stand the site of them. I cant sleep hardly anymore because of it. Ive used the sticky patches. Which worked for me but the sticky patches were maid for mice not roaches. All the sticky pads I used for roaches they crawled right off of them. Umm…I read how a couple of you who are planning on moving and dont want to bring the nasty critters along with you…put all your clothes,stuffed animals and everything that isnt breakable into a garbage bag and tie it. Let all the air out of it though. Set them outside under something in case of rain. Dishes in the boxes and set outside as well. Furniture and electrical appliances set them outside also. Leave it out there for 48-72 hours. Bring on item in at a time and clean the dishes and scrub like fire out of the appliances. Re-wash everything thats in the bags.

  • Make sure up keep all dry foods in plstic contianers.Make sure you keep all dishes,floors and counter tops clean.Take trash out daily.You can try a product called roach caulking.You can find it at Wal- Mart and most hardware stores.Also don’t keep alot of newspapers ,magazines and boxes cause they love to live around that stuff.If they are all over the house you may need to call a company.You can also treat the outside of your home with boric acid.Please note roaches will tag along with you.

  • To add : with the roach caulking put around the pluming pipe holes,in the cracks of the cabinets.You can also line the wall boards.If you have small childern or pets put it in places they can’t get to.Behind furniture and in closets.

  • My husband and I just bought a brand new home. Never been lived in until us. We have lived there since Feb. 7 and we just reciently noticed a couple of roaches (literally 2 the whole time we’ve been there). We never had roaches before…ever so I don’t know what to do. I have a 2 year old daughter and I don’t want this to become a problem. I always clean my kitchen, bathroom, my whole house at least 2 a week. I have sprayed 2 and only found 1 dead and haven’t seen anymore but people tell me “it’s not over”. Any advise at all!!!!????

  • I want to move out of an infested apartment but I don’t want to take them with me. I only have a week to move. How can I make sure I get all the eggs out first?

  • buy a thing of ELIMINATOR HOME PEST CONTROL SPRAY and a bag of chinch bug killer and spread around ur yard and spray the other stuff around doors and the house itll kill them for sure promise

  • I am moving and I don’t want to take cockroaches with me. I am only taking a few things what would be the best thing to do so that i don’t take them with me.

    thank you for your help

  • I just found what i think are german raoches and I am repulsed. IS is possible for them to live inside my air conditioner? I found 3 just today, 2 alive and one dead. I got some industrial stength poison and I hope it helps. I am going to move all appliances and look for more so i can use this spray, is it possible that is enough or do i need professional help?

  • Use Diatect Roach Killer. I didn’t want to have to worry about poisons or chemicals because I have kids and a dog. Diatect’s powder is 100% safe yet it kills roaches within minutes. Just apply the powder where the roaches hide (usually under sinks, behind fridges, etc.). Roach problem solved.

  • I am sorry, this is not a tip, but more of a question. I think that I have cockroaches. And,I am so freaked out about it. I absolutely hate bugs. I saw one bug one night inmy bedroom. I thought, oh no a roach, and when there is one there are a whole lot more. So, two nights later, I see another bug crawling in the same area. I didn’t get to kill that one, though. He got away. But, this bug did not have the long tenacles that I am seeing on pictures of cockroaches.
    But, I moved, and had my box spring out into the garage for a few months because we could not fit it upstairs. So, it sat out there from Feb. until May. Then we brought it into house and let it sit on enclosed front porch to make sure that it is dried out. Last week, my nephew and his friend brought the boxspring up into my room. I am thinking , if they are cockroaches, that must be the place they are coming from. I have not seen these bugs before a few days ago.
    At this point, I want to take my bed out and burn it. I waited forever to get my bed upstairs, and now there may be bugs in the boxsprings. Yuck! And, I am not a dirty person. Please help me! What is the best way for me to get rid of them? I am so grossed out!

  • People say that cockroaches can be smart, and survive poison and stuff.

    They’re stupid in other ways, bugs don’t know where they’re going, they just keep running until they hit something, and then climb whatever or change directions.

    A good way to kill them (professionals do this) is to place a sticky pad (something thats really sticky, like a paper – I forget name) along the walls. The idiots will run into it and get stuck. (I didn’t have cockroaches) but i’ve catch the occasional spider in my basement from doing this.

    I saw 2 cockroaches today, and I’m going to do this to see if there is a lot of them. Hope this helps.

  • Living in Florida, roaches are everywhere. I have battled them with sprays, boric acid, etc. Keeping things clean and crumb free are essential to controlling them. I’ve stumbled onto a couple of things that stop them dead in their tracks. I keep a bottle of isopropyl alcohol and water (50/50) on the counter. Also, Lysol 4 in 1 cleaner and water works very well. If worse comes to worse, just smack them with your bare hand. This grosses my family out but it works and I just wash my hand and it’s over. One less bug to breed.

  • Hurricane Katrina did us in ….. not the wind, or the rain, or the surge ….. the roaches! It is now 3 years and hundreds of dollars in roach poison, fumigators and foggers later, I GIVE UP. I had such great hopes the 28 fumigators would eliminate the problem – I set the off just as I left on a two week vacation. I have been home less than 6 hours and they are as bad now as when I left. It looks like a professional service is my only answer.

  • Best roach killer ever and cheap……..Mule Team Borax….(buy at most grocery stores)…. sprink dry around edges of any room… works like magic…..may need to re do every 2 weeks til all the babies are dead too… If your in and apartment will have to keep it up as they will just keep coming back..unless every one next to your walls is doing the same thing..

  • I just saw a huge a** cockroach in my living room! I was in my room and walked into my living room, turned on the lights….and saw on my puppies training pad, a huge black thingy. I though…oh…my puppy did #2…then I looked closer and it had legs and long antennaes! I freaked out! It was huge! It didn’t move….I didn’t know what to do…I heard that if you vacuum it up, it still won’t die. I bunched up about 5 paper towels and tried to grab it…I missed…and it ran…but I caught it and I don’t know if I squished it enough…I put it on the puppy training pad and wrapped it all up, then put it in a plastic bag and tight it up. I hope I squashed it enough. Anyway, this is the first time I’ve seen a cockroach in my house. I’ve lived here for 5 years now and I also have a pet. Does anyone know of any safe methods that I can use to prevent cockroaches. I work all day and I leave my dog home alone. I don’t want him to get into any poison. argh…I’m afraid to go to sleep now!

  • Ok so It’s not my house but my boyfriends house.. It’s infested with roaches!! Mater of fact i woke up at 3am to find on crawling on my arm!!! I’m so grossed out i can’t go back to sleep.. I bought the foggers a wk ago do they really not work? I need to find the BEST way to get rid of these nasty bugs! Please help!!!

  • I sprayed cat nip spray and sprinkled cat nip inside cabinets and I have seen a dramatic reduction in the roaches in my house. I have a small child and a pet and didn’t want to use chemicals. Apparently there is some ingredient inside the cat nip that they don’t like.

    It seems to be working….and it’s inexpensive. I think I spent $10.

  • well i have tryed the sticky papers n it still dnt work now i hace 2 use a mouse trap n i get about 20 of them a day n its doin ma hed in every time after 11 they cme out now am scared 2 go dwn cuz i kno

    there gonna b lots of them ……………………..

    cn sme1 help me !!!

    n i heard they can fly can they ??

  • In my experience, of combating roaches, a live roach is my freind.
    by using boric acid, leaving a continuos line, around base boards, conter tops and yes right next to my foods. This live roach will walk through the boric acid and will share it with all its freinds bak at its hatching place. I demanstrated to a freind how safe, this product is by eating a tespoon full, of it.

  • I am sorry ,but i ordered the Diatect Roach Killer because i have pets.i put it out and i think the roaches got worse.It sure did not help here ,and i know im a clean person .

  • Im about to go out of my mind here. Family moved in here 3 years ago when their house caught on fire and people gave them stuff. They brought it all into my house and since they left I havent been able to get rid of them. I fogged my house which isnt very big you know I put 2 foggers in each room and left. Came back home and its like there worse now then they was before. Im so sick of looking at them it digusts me. Ive tried the boric acid but they turn the other direction. They sticky pads works for a bit and then quit after so long. Can anybody tell me how else to get rid of the nasty things. I aint got much money so I cant hire someone to do it.

  • OMG I live in an apartment complex, and sometimes I would see a roach or two in the bathroom. Usually after keeping the drains plugged and setting some bait traps they would be gone for awhile… Now I’m starting to see them else where! My bedroom … and Now my kitchen cabinet!!! I have some of my food in sealed containers, but am I going to have to throw out everything that isn’t??? Like my mac & chreese and stuff??????? Will it be obvious that they got into it, or do I need to get rid of everything just in case?

  • I HAVE LIVED IN MY HOME SIXTEEN YEARS AND IT WILL BE TWO WEEKS THIS FRIDAY AUGUST 15TH 2008, I HAVE SEEN AND KILLED THREE ROACHES. IT’S NOW ELEVEN DAYS AND I’M STILL FREAKEN OUT! I BOMBED WITH NINE BOMBS, BAIT TRAPS AND BORAX, I HAVE SPRAYED RAID, BLEACH ON ALL WALLS AND CORNERS LINED THE EDGES OF THE FLOOR WITH DISH SOAP AND I’M STILL AFAID TO COME HOME. I HAVE LOST SLEEP OVER THIS AND LAST NIGHT I EVEN GOT THE DRY HEAVES AND SEARCH THE HOUSE WITH A FLASH LIGHT ( DIDN’T SEE ANY). I HAD A PRO COME OUT HE SAID HE BELIVES I FIXED THE PROBLEM. I DON’T BELIVE IT! SO WED 8/13/08 AT 7:30 AM ANOTHER ONE IS COMING OUT I CAN’T WAIT I JUST WANT SOME THHING DONE I WANT THEM GONE ! MAYBE I READ TO MUCH ABOUT THEM THEY ARE CEAPY. EVERY ONE THINKS I’M CRAZY NOW THEY SAY I’M MAKING A BIG DEAL OUT OF A COUPLE OF BUGS … THERE’S NEVER JUST A COUPLE. PLEASE HELP WITH ANY INFO I’M READY TO HAVE MYSELF COMMITED AND ALL LIGHTS MUST BE ON AT NIGHT TIME NOW … THIS IS CRAZY HELP ME! KEEP DRY, DON’T LEAVE BAR SOAP OUT,AND CLEAN CLEAN AND CLEAN THROUGH AWAY PAPERS AND CLUTTER AND DO NOT SQUISH THEM.

  • This is not a tip… im just freaking out! i’ve got roaches really bad! Their out of control! im trying the traps tonight and we’ll see if it works, im just scared to clean up anything lol, i picked up some clothes off the bathroom floor and one come out of my clothes! and then i walked in the kitchen early in the morning and there were three out in my small small kitchen! all three in the open.and while i was putting out the traps i saw a few babies!! 🙁 help! ITS FREAKING ME OUT!! AND TIPS PLEASE!! HELP, IM SCARED!!

  • I get roaches really bad sometimes. I bought something off the street (that is illegal in New York State) called Tempo. It comes in a white envelope with blue writing on it. It’s a strong powder and I put some up in the cabinets, behind the frige and stove and the roaches come out of everywhere and die. I have not been able to find it again this year.

  • So my boyfriend and I just got a appartment ” Rental House ” and we went to look at it and the landlord told us that there were bugs ..after we have already payed our deposit and first months rent.. we went in the house to see how bad the problem was and there are thousands if not millions ranging from the size of a ball pin point to the size of a dill pickle ….theres a ton of them ..!! The landlord told us he has had the place professionaly bombed 3 times …and we sprayed everything down with Rid and boric acid ..and theres still a ton…!! we also have fleas …!! I have a 4 month old baby and don’t want to move all our and her stuff in and then find out that there not gone….what do you suggest to do to get rid of them for sure ???

  • In my experience, roaches are extremely hard to control because there is such an abundant of them. I came across this website when i was researching pestmall.com and they had such helpful tips and useful information. The directions for the application was easy and understandable. I used Dupont Advion Roach gel and i got AMAZING results! I just applied the gel in moist humid warm areas because that is where roaches love to live. I applied the gel on the corners of the kitchen, in the cracks of appliances (refrigerators, microwaves, stove fans, etc.), under counters, cabinets, and sinks, and other small openings where cockroaches can enter and BAM! I received amazing results! People should go check it out! Its easy, simple, fast, and useful, not to mention CHEAP!

    http://www.pestmall.com

  • No one has mentioned DIATOMACEOUS EARTH. Check it out. It is all natural and safe for humans and pets. Kills all types of bugs and lasts indefinitely if left alone.
    It works by dehydrating insects through a desiccating action. The absorptive properties of the fossilized cell-walls easily remove the cuticle’s outer waxy layer. This results in the loss of an insect’s ability to maintain proper fluid levels-ultimately leading to death. Unlike boric acid dusts that work best when ingested, diatomaceous earth only requires contact with the insect to be effective.
    Gardening stores should stock it along with a hand duster for application.
    Be vigilant in cleaning up all water, all sugars and all greases.
    Bug free wishes to all.

  • I am going crazy with these bugs they are allover my table which is a wood table and my laptop is on there and sometimes a roach pops out of it!!! i heard that roaches eat anything, even wires….. what can i do i dont want my computer to break!!!! also some guy came to spray and more seemed to come alive!!!

  • im living in Cyprus at the mo been here since july got 2yrs left,ive come across 3 roaches i hate them the biggest one was today massive, how the f**k do i rid them its november.MMMMMMMMMMMMMMhh help any offers

  • My wife and I live in a townhouse. Some Spanish “pigs” moved in next door about 2 years ago. We never saw one coackroach until they moved in. Now, we have seen them pop out at night in our kitchen. We were usually seeing about 4 or 5 each night. The Spanish “pigs” got foreclosed and moved out and left the largest infestation of roaches in that house like you would not believe.
    Once they moved out I took it upon myself to go over there and bomb the hell out of that house. I set off 12 bombs two separate times with a six pack a bombs called REAL KILL. I also sprayed everywhere in my house a jug of some stuff called HOT SHOT. I also put out sticky traps which you use to catch mice on (the kind that smell like peanut butter). When I went back after leaving the house next door sealed up with no windows open I was shocked! It was like Jonestown in Guyana…there must have been a million coackroaches dead everywhere. I haven’t seen one cockroach since then. And if I do, I’ll just bomb the hell out of it again.
    Here’s a tip: Get some large sticky traps and cut them into little strips and put them on your counter tops along the edges (roaches love to run along the edges). Also, put one under your microwave and check it in a couple of days and I can almost guarantee you will see about 4 or 5 stuck on there.
    Also, use Boric acid and spray the shit out of it behind your fridge, behind dishwasher, behind the stove.
    One more tip: If you have pigs living next door, make sure they have gotten rid of all their food. These spanish trash that were living next door left rotten food,rotten meat in the fridge, and trash everywhere. Also don’t leave dirty dishes in your sink or water…roaches love that.

  • thanks for all the tips i am in Eden NSW Australia and i have never lived in a place so infested with cockroaches,i will now stop stomping on them and start trying some of the remedies recommended.

  • Just a tip from personal experience to avoid bringing cockroaches to your home. Last year I was on a rather a long holiday for 4 weeks visiting family in Pakistan. My suitcase was left unattended at my dad’s place for most of the 4 weeks and guess what, upon my return to the UK I noticed 1 or 2 cockroaches in the suitcase and killed them. Obviosuly some must have escaped and within weeks the house was full of cockroaches! All kinds of DIY control measures are keeping the population under control but they are not fully gone. I might have to take professional help.
    Message: IF you have been to a new place, just check your luggage!

  • I know this sounds weird but Roaches HATE peppermint, you can buy liquid peppermint soap online mix it with water and wash down the walls floors, furniture, and anything that you can wash keep doing this when the smell starts to become very faint and you’ll keep them away. The worst part your house continuosly smells like a candy cane but I prefer to live with that than the roaches.

  • Thanks for all the tips! I’m going through the new renter nightmare of previous tenants who were apparantly crowded and gross. One thing I plan on doing the following week is calling the health department. For renters moving in to an already infested area there should be something the health department can require of the landlords. I’ve spent so much money on traps, boric acid, roach gel, bleach, only to still have to listen to them everyday/night. It’s just a matter of it being sooooooo many! And they’re the big ones! The big load ones that you can hear them when they walk on stuff! And just the sight of them gross me out I’m not gone lie, so me personally stepping on them and chasing them is out of the question. I could tell the landlord didn’t even paint the walls because when I came to clean up, AFTER ALREADY SIGNING my lease, you can see where the previous tenants would obviously just smash them on the walls at will! For real! Just gross and that’s what I had to clean of the walls! Anyway, on top of the health department, because seriously, I can just imaging what’s going on inside the walls and over our heads, I’m going to try the peppermint idea and also the jar thing on top of throwing away all my paper wrapped products in my cabinets now that I know they are targets of these gross, scum of the earth creatures. And I didn’t know boric acid was so safe, I guess I forgot to read more on the bottle, so I’m glad to know that I can apply more of it.

  • Use Bay leaves, people! Roaches hate the smell, so just lay them by a corner and they will leave. I have a lot of roaches in my house but I read that bay leaves will help so I am going to try.

  • A 50/50 mix of Pine Sol in a squirt bottle will ruin their day. The residue of Pine Sol is also deadly to roaches not to mention that rats and mice avoid it at all cost. Boiling or very hot tap water will put and end to their sorry life in under 4 seconds. Boiling water, 3 gal or so will also destroy any ant bed. They will cook, including the queen and eggs and they will not relocate or return. Others may but they will be toast.

  • I did try all of the tips above except for the pinesol mixture. i have a book “1001 all-natural secrets to a pest free property” with natural repellant tips which i did try and they work only temporary, including sprays varying from peppermint to jalapeno extract, the traps worked for a brief period (2 – 3 weeks) and now they are back! also the “home defense” spray mixtures you can buy from the store work marginal (otherwise they won’t sell to much and lose profit) so i think i have to put on my boxing gloves and give these little bastards a visit! :o)
    Good luck!

  • The photo of the roaches marked male and female are reversed. The women have a wide body where the carry the egg sac (ootheca) in the rear which as it matures pokes out the rear. The men have a long thin back end with two pointy hairs or something. He inserts that into the female backside for mating purposes. Anyhow, a roach is a roach in any case.

  • I’ve seen it all here in LA. If you live in an apartment it will take some time to get rid of the infestation due to many food sources and so forth, but in a single family home your control of any roach can be done more effectivly. Use maxforce gel, or any gel that has a *growth regulator (*new roaches born with out sex organs) by using the gel you wont spread them all over your house by using spays. If you just want to rid them and spray, gather all your gear: resperator , use a consentrated chemical mixed with water, a good flash light, a aerosol with a straw tip, to eracticate them from voids, sticky traps with bait placed on sides, and a vacume, use specail vacume bags for air born virus (hepa filter) and a hepa filter for your resperator, they are normaly pink; start by vacuming all roaches, you will see many female with egg sacks attached to their behinds, then spray, and leave gels in every place they dwell. after spraying, go back a week or two later and just gel and glue traps until they are gone; you can go the extra mile and drill holes in between studs in wall voids and dust with boric acid or delta dust; reseach your roach, and their life cycle, the do hatch about every 30 days, so you will not be able to kill them all the first time, and you will not be able to spay on an egg and kill it, so vacume them and throw away the bag far away from your house, seal all drill holes and use all protective gear like rubber gloves. be optomistic, even the rich have roaches, and the rich all have rats, because of their locations the live in are in rat zones, if you hire a prof like myself, and we charge you alot, do the math, ask if he will come back, or tell him to come back, cause he should due to the life cycle of the roach. The price of duing business does reflect the cost of going back. On another note, if your toaster or microwave is riddled with roach droppings, shot gun that nasty thing in the trash.
    The smell well you must find the nest and bleach the hell out of it, dont be shy to rip your dry wall off and clean, why not, theres probably a water leak in a pipe thats harboring their activity anyways, I work 12 to 15 hours a day doing this and the formula works, just tackle the problem with facts and a well formulated strategy, keep reseaching and you’ll find your way, by the way if I come to a house and smell that roach smell you better believe you have a server infestation, the smell is like going to a pet store that sells crickets, walk over there and take a smell, its a funky smell that is only a sample of the roach smell, well, I hope my grammer is good enough for your reseach becaus Im to tired to do a spell check or review this, cause Im tired and have to do this tomorrow, take care and good luck. One more thing I like sented candles, pull your wallet out and buy some exspensive candles to take away the smell and some oder eliminators that work with cigerett smoke, remember if you cant get to the back of the refrige and clean well drag that thing in the back yard and get your water hose out and cleaning gear and clean like a salor ( I was a salor USN) dont plug it in until its well dry and dont spray on electrical parts ok. anyways later. Real Exterminator,

  • I saw one cockroach 6 days ago, killed and kept the carcass in a baggy. I’ve put sticky traps under my sink, behind the toliet and near my washer. Not one cockroach has taken the bait. My cats want to investigate the bait as it has a strong smell, but no roaches. Can I assume that was a random roach either brought home by a guest or found by my cat near a dumpster?

  • I think my dad was serious when he suggested mixing icing sugar with plaster of paris. You know the cause of death from the expression on their face.

  • I have found a vary good way to get rid of cockroaches. (AWESOME All Perpose cleaner) when you see them spray them IT STOPS THEM IN THERE TRACKS…

  • Of all the above remedies i strongly recommend boric acid. It comes in an easily applied powder, simply apply under stoves, refrigerators, put on top of all door and window moldings, under stairs, and in closets etc. It does take about 10 days but is VERY cheap and totally effective, even a minute amount on it on a roach will kill the bacterium in the roaches gut and the roach will starve to death. If you can find electrostatic charged roach powder that is boric acid it will stick to the roach and it will carry the poison home to it’s nest for the wife and kids to ingest. THEY DEVELOP NO IMMUNITY TO IT.

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