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Great Stuff 157911 Insulating Foam Sealant, 20 Ounce, Ivory

Great Stuff 157911 Insulating Foam Sealant, 20 Ounce, Ivory

Q: What is the R-rating on this?

Hi Dave! The initial R-value is 4.3 per inch and the aged R-value is 3.7. Good luck with your project!

Q: Is closed or open cell foam?

Hi Meggi, This is a closed cell foam.

Q: can this be used to fill holes between dry wall and hardwood, then covered with molding? Will the foam crack if a nail goes into it?

This is the perfect place to use this foam! I did this in my own home recently when we were installing new baseboard. You can apply the foam in the gap, and like others said be careful about overfilling because it does expand quite a lot. I also highly recommend buying our Cleaner / Amazon # B0002YWRG4 because you can spray this on a paper towel and clean up foam when it's still wet. It's a useful product for any project using GREAT STUFF foams. Don't worry if it puffs out too much, you can cut, sand, caulk or paint this foam once fully cured/dry. The foam will not crack if you nail through it but it also is not structural so you'll need to make sure you're nailing the molding into the wall. Good luck with your project!

Q: is it safe around a hot baseboard heater pipe coming into the room through the floor?? thats where mice get into the rooms from under the floor

I looked at the can and it doesn't really say. The stuff before it cures is full of flammable gas but it doesn't say anything about keeping the cured material from heat. Now, that being said, (I'm putting on my professional chemist hat) Great Stuff is a polyurethane. And polyurethanes are flammable. So, I would be concerned if the area got very hot, say over 150F. Hope this helps.

Product ID: 271576377

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Details

Material
Polyurethane
Brand
Great Stuff
Style
Gaps & Cracks
Item weight
0.4 Kilograms
Item dimensions L x W x H
7 x 7 x 24.1

🕒20 oz for extended use

🧱Expands to fill gaps & cracks

🌡️Enhances energy efficiency

Description

🛠️ Seal the deal on comfort and savings!

DURABLE DISCREET - Smooth finish that complements any surface while providing long-lasting protection.
EFFORTLESS PRECISION - 20-ounce can designed for easy, controlled application in hard-to-reach areas.
ENERGY SAVING SHIELD - Creates an airtight barrier that boosts your home's thermal efficiency and cuts utility costs.
VERSATILE APPLICATION - Perfectly suited for both interior and exterior projects, blending invisibly with an ivory finish.
SEAMLESS INSULATION MASTERY - Expands effortlessly to seal every crack and crevice, locking out drafts and moisture.

Great Stuff 157911 is a 20-ounce expanding foam sealant that fills gaps and cracks with an airtight, moisture-resistant barrier. Its ivory color blends seamlessly with most surfaces, making it ideal for both interior and exterior insulation projects. Designed to improve energy efficiency by preventing drafts, this easy-to-apply foam ensures durable, smooth finishes for professional-grade sealing.

Have a Question? See What Others Asked

What is the R-rating on this?

Is closed or open cell foam?

can this be used to fill holes between dry wall and hardwood, then covered with molding? Will the foam crack if a nail goes into it?

is it safe around a hot baseboard heater pipe coming into the room through the floor?? thats where mice get into the rooms from under the floor

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TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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612 DH

Duties & taxes incl.

Moroccostore

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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Product Dimensions	6.99 x 6.99 x 24.13 cm; 400 g
Item Weight	0.4 Kilograms
Fabric Type	Nullify
Scent	Unscented
Care instructions	Spot Clean
Batteries required	No
Included components	Expanding foam sealant
Import designation	Made in US

Great Stuff 157911 Insulating Foam Sealant, 20 Ounce, Ivory

Details

Description

Specifications

Have a Question? See What Others Asked

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