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16 oz. Pestblock Insulating Spray Foam Sealant with Quick Stop Straw

$718
  • Quick-stop straw technology stops messy foam drips
  • Specially formulated for blocking ants, bees, mice and more
  • Resists pests through an airtight seal
  • View More Details
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Product Overview

GREAT STUFF Pestblock Insulating Foam Sealant with Quick Stop Straw Technology helps protect your home from pests and insects. It seals gaps, cracks and holes where insects and pests commonly enter. It expands to fill, seal and insulate gaps up to 1 in. (25 mm), forming a long-lasting, airtight and water-resistant barrier. Pestblock Insulating Foam Sealant blocks the entry of pests that can damage the house and its contents while helping improve the home's energy efficiency by reducing air leaks.
  • New Quick Stop straw technology - helps stop messy foam drips
  • Forms a barrier, blocking ants, roaches, spiders, bees and other pests
  • Seals entry points airtight, keeping pests outside the home, where they belong
  • Contains no pesticides
  • Great Stuff foam with Quick Stop applicator will seal shut if left to sit for more than 2 hours after its last use
  • Click here to learn more about Eco Options and Energy Efficiency

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From the Manufacturer

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Ratings
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Compatible Install SurfaceCement,Concrete,Existing Insulation,Fiberglass,PVC/CPVC Pipes,WoodCement,Concrete,Copper Pipes,Existing Drywall,Existing Insulation,Fiberglass,Metal,PVC/CPVC Pipes,Pex Pipes,Plywood,Tile Flooring,WoodCement,Concrete,Copper Pipes,Existing Drywall,Existing Insulation,Fiberglass,Metal,PVC/CPVC Pipes,Pex Pipes,Plywood,Tile Flooring,WoodCement,Concrete,Existing Drywall,Existing Insulation,Plywood,Wood
Insulation FeaturesPaintable,StainablePaintable,StainablePaintable,StainablePaintable,Stainable
Insulation TypeSpray CanSpray CanSpray CanSpray Can
Insulation R-Value per InchR3.7R4R4R3.8
Product Weight (oz.)16 oz 14.11 oz12 oz
Coverage Area (sq. ft.)5 ft²12 ft²5 ft²6 ft²
Dry to touch (min.)860 min60 min8
Insulation R-ValueR3.7R4.5R4.5R3.8
View ProductView ProductView ProductView Product

Specifications

Dimensions

Cover Area Per Bag (sq. ft.)5 ft²Coverage Area (sq. ft.)5 ft²
Product Height (in.)9.5Product Width (in.)3 in

Details

Compatible Install SurfaceCement,Concrete,Existing Insulation,Fiberglass,PVC/CPVC Pipes,WoodCure Time (hours)1
Dry to touch (min.)8Install Temperature (F)40-100
Insulation FeaturesPaintable,StainableInsulation R-ValueR3.7
Insulation R-Value per InchR3.7Insulation TypeSpray Can
Number of Pieces1Product Weight (lb.)1.75 lb
Product Weight (oz.)16 ozReturnable90-Day

Warranty / Certifications

Warranty InformationN/A

Questions & Answers

Typical questions asked about products:

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  • What are the dimensions of the product?

Customer Reviews

  • 3.9
    out of 606 reviews
  • 76%recommend this product
Filter by:
Showing 1-10 of 606 reviews
mice ate right through
I had high expectations and the application was simple. Unfortunately it only took 2 days for a mouse to chew a hole through this foam.
by
Response from GREAT STUFF & DuPontDec 28, 2020
We are sorry to hear that our products did not work according to your expectations.
Great Stuff™ Pestblock Insulating Foam Sealant is a barrier to stop pests from having immediate access. It is not intended to deter rodents.
The following steps may further assist in creating that barrier:
1. Fill the gap with Great Stuff™ Pestblock
2. Apply a small screen or steel wool over the uncured Great Stuff™ Pestblock
3. Once first layer is cured, apply another layer of Great Stuff™ Pestblock
    7 found this review helpful
    Great Stuff! Had bore Bees bore into my post on my patio. File hole and going to sand and touch u...
    Great Stuff! Had bore Bees bore into my post on my patio. File hole and going to sand and touch up. Thanks
    by
    • Verified Purchase
    • Recommended
    No way to control out put, over fills cracks and holes. Left over can't be used cause product sol...
    No way to control out put, over fills cracks and holes. Left over can't be used cause product solidify s in the spout. No way to smooth it out so that it looks neat. Check pics out. It does seal well
    by
    Response from DowGreatStuffNov 28, 2018
    Hi Pablo, please see the follow recommendations for your next GREAT STUFF™ application for a better experience: Fill openings approximately 50% full; the foam will expand to fill the space. GREAT STUFF™ Insulating Foam Sealant will seal itself shut if left sitting after use. Inserting a pipe cleaner sprayed with oil lubricant or a nail coated in petroleum jelly into the applicator straw may prolong the life of the product up to 30 days, however, it's better to plan ahead, identify and list all possible applications before using the can. You will need to cut off the yellow tip of the Quick Stop Straw to place the pipe cleaner or nail into the straw. Cured foam (wait at least 8 hours) can be trimmed, shaped, sanded, painted or stained. To trim, use a sharp knife or serrated blade.
    • Verified Purchase
    • Recommended
    5 found this review helpful
    Doesn't work as advertised as Rodents chew right threw it. They make quite a mess of it as if the...
    Doesn't work as advertised as Rodents chew right threw it. They make quite a mess of it as if they actually enjoy chewing on it. Would not recommend for anything other then just as an overpriced foam sealant.
    by
    Response from DowGreatStuffAug 10, 2018
    We are sorry to hear that our products did not work according to your expectations.
    GREAT STUFF™ Pestblock Insulting Foam Sealant is a barrier to stop pests from having immediate access.
    The following steps may further assist in creating that barrier:
    1. Fill the gap with GREAT STUFF™ Pestblock;
    2. Apply a small screen or steel wool over the uncured GREAT STUFF™ Pestblock;
    3. Once first layer is cured apply another layer of GREAT STUFF™ Pestblock.
    For further information and assistance please contact our GREAT STUFF™ Technical Group at 1-866-868-1183.
      18 found this review helpful
      I have been using this product over the past 6 months as we have been involved in renovating a ga...
      I have been using this product over the past 6 months as we have been involved in renovating a garage into an office and a storage area. The features that I like include: coverage; short curing time so that we can continue on working without a long delay; ability to remove cured spots that are in incorrect areas fairly easily and it cleans up from floor and walls well. It has worked extremely well for us to date and keeps out rain as well as insects - it works well behind the insulation we are using in this remodeled space. Items that I do not like as well: - foam sticks to skin and clothing (if not wearing gloves or area is uncovered) - In the case of my sibling who is helping and has very sensitive skin, the skin actually peeled off when she got some of it on her skin when I handed her a cloth to throw away - and it takes several days or longer to remove from skin and does not come off clothing at all even when washed immediately with soap and water as recommended. (NOTE: I do wear gloves most of time when using the item.) - The newer cans I recently purchased have a new spout design which does not seem to work better - foam comes out bottom of spigot and is no more easily controlled for extra spray - I need to keep wiping off spout area and throwing away the cloth so that it is not more of a mess Does it meet your expectations? YES - It covers open spaces between studs and other areas so that insects and other pests do not enter the area we are remodeling.
      by
      • Verified Purchase
      • Recommended
      12 found this review helpful
      Carpenter bees
      Maybe it's good for ants or little spiders but not good for carpenter bees. I have some really annoying carpenter bees boring holes into my rake board. I called an exterminator and he wanted $600 to stuff the void with a mesh after spraying. It sounded like too much just to stuff, so I went with this. Not only did it not work but it ruined my siding. Now I have to spend money to have the rake boards replaced as well as some pieces of my siding. $600 doesn't sound too bad now. I guess I can recommend this for other types of pests. Can't if it would work for them. Good luck.
      by
        • Recommended
        8 found this review helpful
        No question, the best stuff to close up holes made by rodents
        Worked great, use gloves for sure because this stuff is really sticky. Really happy that the house no longer has rodents!
        by
        • DIY
        • Recommended
        14 found this review helpful
        Obviously mice aren't considered a pest
        I put this up behind the rafters in my cabin and the mice have chewed/scratched through 2 feet of the stuff to set up shop. Good insulator only a mild deterrent to rodents.
        by
          • Recommended
          37 found this review helpful
          Pestblock foam sealant
          Purchased Pestblock foam sealant to fill deep gaps between brick face and window tops, fascia boards, and edging. I recommend wearing gloves of some sort because the product is sticky; we wore disposable vinyl gloves and changed them out as we needed. Follow directions exactly. The foam expands when applied but also continues to expand for a good few minutes more as you fill other gaps. If you don't want the rounded front of the expanded foam, it can be gently pushed down after it has time to set. Foam is yellow-gold color when dry. We intend to paint the dried foam white to match the boards. Photo shows approximately a 1.5 inch high by 2.5 inch wide by 1.5 inch deep gap filled with Pestblock, patted down flush with brick and before painting. Has been installed over a month with no degradation or change in look.
          by
          • DIY
          • Verified Purchase
          • Recommended
          14 found this review helpful
          Keeps coming out
          Quick stop straw doesn't work. The foam still keeps coming out after the trigger is released.
          by
          • Verified Purchase
          • Recommended
          Showing 1-10 of 606 reviews