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16 oz. Big Gap Filler Insulating Spray Foam Sealant with Quick Stop Straw

$516
  • Insulates large gaps easily
  • Dry and ready to trim in just 30 minutes
  • Designed for fast and easy application
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Price:
$516

Product Overview

GREAT STUFF Big Gap Filler Insulating Foam Sealant with Quick Stop Straw Technology offers the same benefits as GREAT STUFF Gaps and Cracks but fills gaps larger than 1 in. So it's great for creating larger weather-tight seals to stop drafts and keep critters out. Plus, like all GREAT STUFF products, it's airtight, paintable, stainable and sand-able. It's polyurethane-based and perfect for all sorts of materials like wood, drywall, metal, masonry, glass and most plastics.
  • New Quick Stop straw technology - helps stop messy foam drips
  • Forms a permanent weather-tight seal to minimize drafts and insect infestation and has exceptional adhesion to building materials
  • GREAT STUFF big gap filler insulating foam sealant with quick stop straw can be used in interior or exterior application and is tack free in 6 minutes and can be trimmed in 30 minutes
  • Foam elasticity properties allow for movement and shifting within a structure
  • Cures as cream colored, rigid foam; ease of application results from all direction dispensing
  • One 16 oz. can equals up to 24 tubes of caulk
  • Click here to learn more about Eco Options and Energy Efficiency

Additional Resources

From the Manufacturer

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Ratings
(1505)
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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,StainablePaintablePaintable,StainablePaintable,Stainable
Insulation TypeSpray CanSpray CanSpray CanSpray Can
Insulation R-Value per InchR3.7R4R4R3.8
Coverage Area (sq. ft.)8 ft²5 ft²12 ft²6 ft²
Dry to touch (min.)860 min60 min8
Product Weight (oz.)16 oz17.14 oz 12 oz
Insulation R-ValueR3.7R4.49R4.5R3.8
View ProductView ProductView ProductView Product

Specifications

Dimensions

Cover Area Per Bag (sq. ft.)8 ft²Coverage Area (sq. ft.)8 ft²
Product Height (in.)9.25Product Width (in.)2.75 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:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.3
    out of 1,505 reviews
  • 83%recommend this product
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Showing 1-10 of 1,505 reviews
Can Explodes Randomly at the seam and then Seals your Cabinet Shut
I had a can of this explode on me this June (not hot out, not cold). I couldn't figure out why the cabinet door wouldn't open in my basement storage area. it took a lot of chipping and prying. The great stuff enveloped all the other stored things around it, costing you money and time. I do not recommend.
by
Response from GREAT STUFF & DuPontJul 23, 2021
Hello Mike3000 - Thank you for sharing your concerns with us regarding Great Stuff™ Insulating Foam Sealant products. We apologize for the inconvenience you have encountered.
Please contact us at 833-338-7668 to discuss what happened.
    3 found this review helpful
    I had to cut out some PVC for our tankless...
    I had to cut out some PVC for our tankless water heater and there was a substantial gap. This can filled in the gap and insulated everything behind the pipes couldn't be happier.
    by
    • Verified Purchase
    1 found this review helpful
    works but please wear gloves
    unless you plan on throwing your whole hands away, I do not suggest getting it on them. wear gloves. it has been day 2 and I'm still dealing with this stuff not coming off my hands. I should have read instructions and reviews. In addition, you better use all at once. Will definitely dry out.
    by
    Response from GREAT STUFF & DuPontApr 16, 2021
    Hello, hands - Thanks for sharing your comments about Great Stuff™ Big Gap Filler Insulating Foam Sealant. Yes, the directions do recommend that all skin be covered, as well as eye protection. This foam is designed to be permanent, and if it gets onto your skin and cures, you will need to allow a few days for it to wear off. Acetone will remove uncured foam, but there is no solvent that will remove cured foam. If you have some on your skin, you can use a pumice stone to gently remove the foam, but be sure to keep your skin well lubricated with petroleum jelly or other moisturizing lotion.
      • Recommended
      8 found this review helpful
      Filled up my old 1928 fireplace that was letting bugs...
      Filled up my old 1928 fireplace that was letting bugs and cold air into my living room. It didn't have a typical flu and I wouldn't want to burn any wood in it. Once we fill the hole in we spray painted it all black inside so now in the winter and Summers I'll be comfortable
      by
      Response from GREAT STUFF & DuPontSep 1, 2020
      Hi, Jrb! Thanks for your great review about Great Stuff™ Big Gap Filler Insulating Foam Sealant. Even though your comment indicates that you are not planning to burn any wood in the fireplace, it is important for you to know that this product is combustible and cannot be exposed to temperatures above 240F as it will present a fire hazard.
      • Verified Purchase
      2 found this review helpful
      purchase Exterior door exterior door Home Depot and I use...
      purchase Exterior door exterior door Home Depot and I use great stuff for installation
      by
      • Verified Purchase
      Works well. Fills and seals gaps...
      Works well. Fills and seals gaps
      by
      • Verified Purchase
      Worked great filling the hole...
      Worked great filling the hole
      by
      • Verified Purchase
      GREAT ATTIC STUFF!!
      Great Product. Need to rotate stock better. Great Stuff!!
      by
        • Recommended
        3 found this review helpful
        This 16 oz. Big Gap Filler is really doing a great job. It extends and close the gaps quickly. It...
        This 16 oz. Big Gap Filler is really doing a great job. It extends and close the gaps quickly. It is extending and drying really well. I was able to cut the excess foam with a knife. WARNING: Do not touch this stuff with your bare hand it will stick and you gonna have difficult time to remove.
        by
        • Recommended
        29 found this review helpful
        Great Stuff insulating foam has the most reliable and consistent formulas compared to other brand...
        Great Stuff insulating foam has the most reliable and consistent formulas compared to other brands I have tried. Further, they have a foam for just about every situation. The original standard foam "Gaps and Cracks" is probably going to be your number one use type. However, there are times when you have large voids with lengthy areas to bridge. Enter "Big Gap Filler". This expands nearly 5 times the size of the normal foam. I recently bought three varieties of Great Stuff for my Pond Project: Great Stuff Big Gap Filler, Original Gaps and Cracks and Great Stuff Pond and Stone Foam. I was creating a new waterfall. After weeks of arranging rocks up the waterfall course, once satisfied on how the water was flowing, I turned off the waterfall, let the rocks dry then began foaming beginning with big gap filler. I filled the large voids behind the rocks. This would keep the majority of the water from flowing behind the rocks. Next I used the standard foam between the rocks and to "cement" the smaller rocks into place or secure the rocks to the liner. Lastly, I used the pond form over all the other foams and placed it in places I had to disguise liner. I pressed sand into the fresh foam as well. I also used this between my flagstones around the pond, using standard foam and big gap underneath the flagstones to cement them in place on the liner OR close up gaps so that water could not travel beneath them. But this is not all, HD also sells other varieties too. They have a window and door foam which stays soft after it cures. This is important to keep the weight of the house above from pushing into your window or door jambs. They also have fire block foam. This is great where you have penetrations in firewalls (like the wall between your house and garage for instance). They also have foam that is critter resistant to keep bugs or other pest from penetrating openings called Pest Block. This is great around things like spigots on your house that bugs might try to pass from the exterior to the inside of your home. Lastly they have a Multi-Purpose Black foam for indoor or outdoor use good around hardscapes and such (use pond and stone for water features or very wet areas though). With ALL of these foam types, there is major things to remember. Where eye, glove and clothes protection and protect the areas around where you are spraying. The foam is SUPER STICKY and will not easily come off of ANYTHING! Acetone works a LITTLE (and I mean not much at all - but it is better than nothing). If foam drips down while you are spraying - LEAVE IT until it cures. You will make it worse by touching it while wet and easier to remove when cured. Notate all the places you need to foam before you start foaming and prepare ALL the areas before you begin!!!! This is important as once you start, you want to continue until the can is empty. They do have the new nozzles that let you turn off and on the foam from leaking out the straw in between spraying two or more areas, but remember, this tends to be difficult. If you are trying to reach into long spaces, suggest you find some long straws or tubing that you can fix to the straw BEFORE BEGINNING. Do deep filling places FIRST. Save easy surface gaps for the end of the can. This is because the flow is much bigger in the beginning and gets less and less over the life of the can. Lastly, if you have left overs, you can close the straw and hope for the best. The can even states, expect only one use. I have cut off the end of the straw and have got to use the rest of the can, but for the most part, it's a one use can. Jeff
        by
        Response from DowGreatStuffSep 3, 2019
        Hello Jeff, Thank you very much for your fantastic review. We appreciate your time and effort.
        • DIY
        • Verified Purchase
        • Recommended
        38 found this review helpful
        Showing 1-10 of 1,505 reviews