Termidor FOAM

4.5 out of 5 stars 151 Reviews | 99 Q&A

Termidor FOAM
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Average Rating

4.5 out of 5 stars Rating: 4.7

151 Reviews | 99 Q&A

Product Overview

Termidor FOAM contains Fipronil, the same active ingredient as Termidor SC, in a RTU (ready-to-use) foam that is labeled for termites and ants. Perfect for spot treatments, Termidor FOAM expands rapidly creating a dry foam that can be applied in the voids, harborages, galleries, and nests where insects are found. The foam generated has an expansion ratio of 30:1. In about 5 seconds 1 oz. of product becomes approximately 1 quart of foam.

Termidor FOAM can be applied in and around residential and commercial structures; structural and non-structural elements that are prone to insect attack (such as fences, utility poles, landscape timbers, bridges, or under slabs); or insect harborages. This product can be applied from the interior and/or the exterior according to label directions. To access some harborages the drilling of holes may be required.

Termidor FOAM helps to fulifill the Localized Interior (LI) component of a Exterior Perimeter/Localized Interior (EP/LI) treatment (also known as PerimeterPLUS).

Also see: How to do a termite treatment

Features and Specs

Active Ingredient Fipronil 0.005%
Target pests Termites* (including subterranean, drywood, dampwood and arboreal), Wood Destroying Insects (Powder Post Beetles, Old House Borer, Wharf Borer), Ants (including: foraging Carpenter; excluding: Fire, Harvester, Leaf cutter and Pharaoh)

* Not a substitute for mechanical alteration, soil or foundation treatment.
For use in FOR USE IN AND AROUND STRUCTURES AND LIMITED OUTDOOR SPOT TREATMENTS: Apartments, Homes, Food/Feed Handling Establishments (non-food/feed areas), Restaurants, Hospitals and Nursing Homes (non-patient Areas), Hotels, Motels, Hobby Greenhouses, Interiorscapes, Office Buildings, Schools**, Transportation Equipment (Buses, Cargo Trucks, Trailers, Trains), Warehouses and Other Commercial and Industrial Buildings.

** Do not apply to classrooms when in use.
Application Use only with Whitmire Micro-Gen or BASF approved actuator. Remove the outer cap and snap the actuator into place. Remove the finger pad cover. After using, replace the finger pad cover. When the can is empty, remove the actuator from the can and use it on another can.
Pet safe Yes, if used as directed on Label
Formulation Professional Product
NY (Restricted To Licensed Applicators Only)
Shipping Weight 1.50 lbs
Manufacturer BASF (Mfg. Number: 59012846)
UPC 804338128463
EPA Registration 499-563


How to do a Termite Treatment

Termidor product features:

Advanced undetectable technology

Termidor is made from a revolutionary new nonrepellent or "undetectable" chemical technology treatment. That means termites cannot see, smell, taste, or avoid Termidor. Instead they contact, ingest, and share it with their nestmates. This is in sharp contrast to older liquid termite controls, which rely on repellent barriers that termites can find breaks in or avoid completely.

The "Transfer Effect"

Termites who contact Termidor transfer it to every other termite they in turn contact, in a unique process called the "Transfer Effect." And because Termidor is engineered to be slow-acting, termites have ample time to spread it throughout their entire termite population.

Better than bait... without the wait

Baits can take years to control a termite colony. Termidor begins working immediately to wipe out termites inside and immediately surrounding your home. Termidor is the most effective and fastest at completely eliminating termite populations--up to six-times faster than bait.

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  • 5 of 5 Stars


    By Roscoe on 03/02/2013

    Verified Purchase

    I had never heard of termidor foam and had reservations as to it's value. Folks, it works. We made a small hole in the driwall between each wall stud and pierced a hole in the insulation so that I could spray the foam into the airspace. Then inserted the tube through the hole and gave it a squirt. The foam expanded and the termites that I could see began dying. After a couple days, there was no more signs of infestation.

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    178 of 182 people found this review helpful

  • 5 of 5 Stars


    By Relaxtoday on 03/10/2013

    Verified Purchase

    I found their pencil hole entry and drilled it bigger. Then I put on gloves and put the foam in. It was easy and no more coffee grounds! A week later I found another area nearby with drywood termites. I did the same thing. It has been a few weeks and no more coffee grounds anywhere. This works!

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    119 of 120 people found this review helpful

  • 5 of 5 Stars

    Amazing product!!!

    By Diane on 06/18/2014

    Verified Purchase

    I had a localized carpenter ant nest in a fully enclosed wall. The nest activity spanned a 4x5 foot area. After freaking out and receiving ridiculous exterminator quotes, I did some online research. I learned that the active ingredient in Termidor Foam, fipronil, is a safe and extremely effective chemical that works by direct and indirect contact. Even though the walls had fiberglass insulation, I was able to drill near the studs, and insert this foam into the voids. I only used one can for the the job. I saw results within 12 hours, and the problem was fully resolved within three days. I am thrilled with the effectiveness of this product, and am pretty excited that I was able to save $450+ by tacking this project on my own. Thank you for offering pro-quality pest control products to homeowners at very reasonable prices.

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    104 of 107 people found this review helpful

  • 5 of 5 Stars


    By Carolina on 03/14/2013

    Verified Purchase

    I ordered the termidor FOAM and termidos SC. I was extremely satisfied with the service, website, and product. I emailed them to do a price match and they responded so fast and did the price change they also have a really fast delivery. the whole website is so helpful and full of information.

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    62 of 64 people found this review helpful

  • 4 of 5 Stars

    termidor exterminator!

    By Sue on 03/28/2013

    Verified Purchase

    This product works great . I used it just as spring was approching the end of February to spot treat troubled infested areas from the past YEARS and in two weeks the termites began to appear . Only this time they were approximately less than 1/10 the amount flying out as there were last year I was extremely pleased!!!! You have no idea what a relief that was now I will treat the barrier around my home. And hope it works the rest of the way to destroy those annoying chewers thanks!

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    60 of 62 people found this review helpful

See all 151 customer reviews

Questions & Answers

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How do I get rid of termites in my kitchen cabinets

I have an infestation in custom kitchen cabinets that are only 2 years old. There are no signs of entry from outside the house. I believe they were in the cabinets when they arrived from the manufacturer. I contacted my insurance company and although not listed under exclusions, insects are not covered. My boyfriend is a custom home builder who can take the face boards off those that are still intact. I was away from my home for months returning to find thousands of dollars of destruction and I am at a loss on what to do. I read your reviews on the Termidor foam and saw one review saying it is not for use in kitchen cabinets. Please let me know if there are any options you can recommend?


 The Termidor Foam is definitely an amazing product and does well to transfer. That being said,  you would have to drill holes into the cabinets to inject it into the galleries the termites have created for it to expand through their tunnels and reach them. Honestly, we have many customers in the Bahamas that use our products (they have them shipped through freight forwarders) and its very common for you to have a variety of termites in your area that could have flown in from the outside and infested the cabinets. The only downside to the cabinets themselves is if they weren't pretreated before being assembled/stained from the people you purchased them from. If there were termites in them when they came from the manufacturer, the likely hood of them being in there this whole time with no signs of damage or kick out holes and dust until 2 years out is extremely slim. Cabinets aren't that thick compared to beams and supports of the structures of homes which can cause finding termite damage and activity signs to be less noticeable for longer. Normally activity would show up not long after you received the cabinets if they came infested. Now, if it's powder post beetles they could have been in the raw wood without you or even the cabinet company knowing they were there. Powder post beetle larvae can stay dormant up to 20 years sometimes in the wood and then emerge. If that is what you have, your best mode of action would be to have your home tented/fumigated to kill them all at once. Termidor Foam won't work for you in that case and the products we have that would work would require you sand your custom cabinets down to raw wood and then apply them. This is a tough situation for you but fumigation is almost your only option. 

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133 of 163 people found this answer helpful

Can you help with the math for my Termidor FOAM application?

Interior wall, no insulation, 3” studs spaced 16” apart. So 1 oz. makes approximately 1 quart of foam. 1 quart of foam would fill how many cubic inches? In other words, how many quarts of foam would it take to treat a 12”H x 16”W x 3”D wall void? Do I need to fill an entire wall void from floor to ceiling if I'm just seeing carpenter ant activity at the bottom of the wall? Thank you for your input.


If there is no insulation in the wall then there's not many reasons for them to be in that wall void as the insulation would provide an area to nest. They may travel behind the wall voids but the main nest will not be behind it. They will most likely be using the studs as a food source and traveling up the sides of the studs. You will not foam the entire void, rather you will drill a hole close to the top of the ceiling/stud on either side of the stud. Once the holes are in place on each side, inject the foam into each hole for 5-10 seconds, allowing the foam to expand but slide down the sides of the studs where they would travel. If you are seeing them along the baseboard areas, drill holes every 8-10 inches apart across the area between studs, about an inch or 2 above the baseboard. Use the same injection rate for each hole and let dry. The Termidor Foam has some residual for about a month after it dissipates so if any are missed in the initial application the rest of the colony should be affected.

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101 of 109 people found this answer helpful

Termidor Foam vs Termidor SC?

What is the advantage of the foam vs the liquid termidor? Wouldn't spraying liquid termidor into a wall void at the top of the wall be essentially the same? If not better? Liquid termidor has a 6 month residual. Foam supposedly is good for only a few weeks. If you insert a spray nozzle into your wall and pull the trigger, all that liquid will saturate the wall and drip down covering the studs, insulation, drywall, whatever.... In fact I would think that liquid would be able to penetrate cracks and crevices better than any expanding foam.... So the drywall gets wet, big deal it will dry ... What say you?

Termidor Foam is the preferred option over Termidor SC when treating an active infestation of termites behind a wall. When performing a spot treatment behind a wall it is very important to drill directly into the affected stud and foam into the termite galleries as well as the void on either side of the stud. You will not foam the entire void with Termidor Foam, rather you will drill a hole close to the top of the ceiling/stud on either side of the stud. Once the holes are in place on each side, inject the foam into each hole for 5-10 seconds, allowing the foam to expand but slide down the sides of the studs where they would travel. Foam is preferred because it has the ability to expand and travel deep into the termite galleries, cracks and crevices, and wall void much better, which does provide better coverage than liquids. 

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101 of 109 people found this answer helpful

What is the difference between Termidor Foam & Premise Foam? Which one is more effective to kill termites?

What is the difference between Termidor Foam & Premise Foam? Which one is more effective to kill termites behind the wall? I have termites all over my house behind the wall, and want the effective foam to kill the little them.


Termidor Foam and Premise Foam have two different active ingredients. Because of its active ingredient, imidacloprid, Premise Foam works differently from other termiticides which repel, rather than kill, termites. Termites tunneling or foraging in the spaces treated with Premise Foam will go about their usual activities without being repelled. The exposed termites then remain unaffected for a few days, before sudden death occurs. In the meantime, the exposed termites are able to spread the Premise chemical to unexposed termites by physical contact when they feed or groom the other termites, resulting in a domino death effect which wipes out more of the colony. Termites who contact Termidor Foam transfer it to every other termite they in turn contact, in a unique process called the "Transfer Effect." And because Termidor is engineered to be slow-acting, termites have ample time to spread it throughout their entire termite population.

They are both effective products that will work to combat termites if you are treating the area directly.

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90 of 121 people found this answer helpful

How long will the effects of the Termidor foam remains active if I inject the foam into the exterior walls?

I have the base boards removed and see the remnants of the subterianian termites. I plan on drilling holes into the drywall before I replace the base boards and have had a professional company treat the perimiter of my home with termidor. They explained to me that treating the perimiter of the house will also kill the ones that have already entered my home. I really don't belive that and haven't found that info anywhere on the internet.

Termidor Foam will remain active for about 6 weeks when injected into the walls. Termidor Sc placed in a barrier around a home will kill foraging termites as they return to the colony....if the colony is not under the home (in most cases the colony will be out in the yard so this method does usually work). It is recommended that if you know where the termites are active in the wall void that you treat the area with a product like the Termidor foam just in case the main colony is under the house.

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88 of 91 people found this answer helpful

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Termidor FOAM 4.5 out of 5 stars Rating: 4.7 (151 Reviews / 99 Q&A)

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