
Price facts
- Lowest price today: $23.99 at The Home Depot (checked Nov 12, 2026).
FastCoat Insulation Spray Foam prices at every store
- The Home DepotNew
In stock
$23.99Free shippingChecked 31 min ago
Also available at
- AmazonCheck price at Amazon
- HomeBrightCheck price at HomeBright
- Kraken BondCheck price at Kraken Bond
- WalmartCheck price at Walmart
- Kraken Bond - Monster of Tough JobsCheck price at Kraken Bond - Monster of Tough Jobs
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FastCoat Insulation Spray Foam price history
Lowest price we've seen: $23.99 on Nov 12 at The Home Depot. Tracked across 5 stores since Nov 12.
What reviewers say
- 4.7 / 5298 ratings
About the FastCoat Insulation Spray Foam
✅ Easy DIY Application: User-friendly spray foam kit designed for smooth, mess-free use with professional-grade results.
✅ High R-Value & Coverage: Closed-cell insulation rated R-5.66 per inch (R-11.32 at 2") , covering up to 20 board feet per can for efficient performance.
✅ Class A Fire Rated (ASTM E84): FastCoat is classified Class A , the highest of the three surface burning classes used in U.S. building codes.
✅ Closed-Cell Seal: Blocks air, moisture, and noise while improving structural strength.
✅ Wide Application Range: Ideal for walls, ceilings, attics, garages, HVAC systems, and vehicles.
Key Features & Benefits
Exceptional Thermal Performance: Achieve superior energy efficiency with a thermal conductivity of 0.025 W/m.K (DIN 52612) and an impressive R-value of 5.66 per inch . This closed-cell foam minimizes heat transfer, keeping your indoors comfortable year-round.
Class A Fire Rated (ASTM E84): Engineered for enhanced safety, FastCoat is tested to ASTM E84 and classified Class A , the top of the three surface burning classes.
Seamless, Monolithic Application: Provides a continuous, gap-free insulation layer that eliminates thermal bridges and dew points, ensuring optimal insulation performance. It can be applied easily to uneven and hard-to-reach surfaces where traditional materials are impractical.
High Yield & Cost-Effective: One can yields up to 20 board feet with a 1-inch thickness when applied correctly, offering excellent coverage and value.
Strong Adhesion: Bonds excellently to all common building materials without the need for mechanical fasteners.
Questions and answers
- Where is the FastCoat Insulation Spray Foam cheapest?
- At The Home Depot, for $23.99, as of our latest check.
- What do buyers say about the FastCoat Insulation Spray Foam?
- Rated 4.7 out of 5 from 298 ratings.
- Where can I buy the FastCoat Insulation Spray Foam?
- 5 stores we checked sell it, including The Home Depot, Amazon, HomeBright, Kraken Bond, Walmart.






