Great Stuff Pest Block Foam

Item no: 1326677 | 041343008803
90  Estimated 

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  • Caulk Sealant Material: Polyurethane Foam
  • Product Type: Pestblock Insulating Sealant
  • Color: Gray
  • Container Size: 12 oz.
  • Permanently Flexible: No
  • Curing Time: 8 hr.
  • Indoor and Outdoor: Indoor and Outdoor
  • Paintable: Yes
  • Fire and High Heat Resistant: No
  • Insulating foam sealant blocks insects and pests by sealing gaps, cracks and holes where they enter
  • Blocks spiders, ants, bees, cockroaches, insects, mice and rodents
  • Sealant expands up to 1" (25mm)
  • Long lasting airtight and water resistant barrier
  • Once cured, can be trimmed, sanded, painted or stained
  • Improve home energy efficiency

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We want you to be fully satisfied with every item that you purchase from If you are not satisfied with an item that you have purchased (excluding Gift Cards and gas-powered outdoor equipment*), you may return the item up to thirty days after the original purchase date to receive a store credit (less shipping, handling and other charges). We recommend that you make returns of online purchases to an Ace retail store near you which will issue your store credit. If you do not have an Ace retail store near you, please contact a Customer Service Specialist by calling 1-866-290-5334 for complete return instructions. Please refer to our Return Instructions for more information about returning a purchase.

The item must be returned in good condition, in original boxes (whenever possible), and with all paperwork, parts and accessories to insure full credit. After 30 days, please contact the manufacturer directly.

*Gas-Powered Outdoor Equipment cannot be returned once gas or oil has been put in it, even if the Equipment has been drained of these materials.

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Great Stuff Pest Block Foam

(based on 1 review)

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Reviewed by 1 customer

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(1 of 1 customers found this review helpful)


Fantastic, completely eliminated ants!

By Bill

from Woodstock, CT

Verified Reviewer


  • Durable


    Best Uses

      Comments about Great Stuff Pest Block Foam:

      Product is fantastic. I used to us the regular foam but ants and on rare occasions mice would get through. This stuff has worked for two years now, no pests! I use it exclusively now.

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