- 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 boasts a Flame Spread of 5 and Smoke Development of 15, meeting stringent fire resistance standards.
- 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.
- Moisture & UV Resistance: The cured foam is moisture-resistant, helping to prevent mold growth. For outdoor applications, it is overpaintable and should be painted or coated to protect against UV discoloration.
- Ozone-Friendly: Does not contain propellant gases harmful to the ozone layer.
- Fast Curing: Features a skin time of 5±2 minutes and a cutting time of ≤40 minutes, with full cure achieved in 24 hours.
- Acoustic Performance: Contributes to noise reduction with an acoustic insulation rating of 48.8 dB at 1600Hz (EN ISO 717-1). Helps foster a calmer, more comfortable environment for your home or business.
- Buildings & Houses: Roofs, attics, facades, foundations, basements, floors, interior walls, inter-floor overlappings, interior partitions, ceilings, and cellars.
- Structural Elements: Balconies, loggias, doors, window slopes, pipes, canals, and tank-like round surfaces.
- Vehicles: Car bodies, car trailers, boats, yachts, vessels, and all types of sea vehicles.
1. PREP LIKE A PRO: Make sure the surface is clean, dry, and free of dust, oil, or debris. For temperatures above 32°F, lightly mist the surface with water. This simple step is crucial for improving adhesion and speeding up the curing process, ensuring you get the best coverage from your foam.
2. SUIT UP SMART: Safety isn’t optional. Wear gloves, goggles, and mask to protect yourself while working with the foam.
3. CHOOSE YOUR WEAPON: Select the right nozzle for your project:
- Tip A – For vertical surfaces like walls and gaps.
- Tip B – For horizontal surfaces like ceilings.
Press firmly until the tip clicks securely into place.
4. LOCK & LOAD: Bring the can to room temperature (around 68°F) for at least 24 hours before use. This ensures stable pressure, smooth spraying, consistent foam expansion, and a denser, higher-quality application.
- Shake vigorously for at least 30 seconds before spraying to ensure a consistent and dense foam.
- If the can is too cold or too hot, immerse it in warm or cold water, or leave it at room temperature until it reaches room temperature.
Attach the can & ready to fire!
5. SPRAY IN LAYERS:
- Hold the can upside down during application.
- Maintain the right distance : 12–18 inches from walls and 6–8 inches from ceilings.
- Apply in thin layers : For a total thickness of 2 inches, use at least 3 layers. Avoid overfilling in one pass.
- Shake the can between applications for even, high-quality coverage.
6. CLEAN LIKE A PRO
- Wipe the gun and nozzle immediately after use.
- Use Kraken Bond Foam Cleaner for fresh foam.
- Once cured, foam can only be removed mechanically.
- Protect cured foam from UV rays by covering it with plaster, paint, or another coating.
7. HELPFUL TIPS:
- Every can comes with two replacement tips for convenience.
- For consistent results, test spray on a scrap surface first.
- Contact support promptly for troubleshooting if coverage or expansion seems below standard.
- Chemical Structure: Polyurethane Pre-polymer
- Curing Mechanism: Moisture
- Foam Color: Yellowish
- Dimensional Stability: ±10%
- Compression Strength: 4.35 PSI (DIN 53421)
- Ideal Can Temperature: +41°F to +86°F
- Application Temperature: +41°F to +86°F
- Heat Resistance: −103°F to +239°F
- Curing is dependent on temperature and humidity.
- Do not use in poorly ventilated spaces or areas exposed to direct sunlight without protection.
- Lower temperatures can decrease yield and curing time.
- Store properly in the original container; shelf life is 18 months.
- Contains diphenylmethane-4,4'-diisocyanate. Use in a well-ventilated environment and wear protective gloves. Keep away from direct sunlight and temperatures above 122°F.
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FAQs
20sq ft per can at 1" thick with an R-value of 5.66.
FastCoat is ASTM E84 Class A (sometimes called “Class 1”), meaning it achieved a Flame-Spread Index ≤ 25 and a Smoke-Developed Index ≤ 450 in third-party tunnel testing.
Yes. The ASTM E84 test is performed on fully cured samples, so the Class A rating applies to the product after installation and complete cure.
The International Residential Code (IRC) and International Building Code (IBC) accept ASTM E84 Class A materials for many wall, ceiling, and attic applications, provided all other code requirements (thickness, ignition barrier, thermal barrier) are met.
No. The Class A rating comes from the closed-cell chemistry and additives that limit flame spread and smoke—not the colorant itself.
Depending on the climate of the location you live in, the required R-value changes. For example, if you live in Zone 4 or 5, you will need a depth of 4-inches of this insulation installed in your 2X6 wall to reach R-20 with a clased-cell insulation that has an R-value of R-5 per inch of thickness. You can find R-value chart for the USA here.
Insulation Foam is measured in board feet. So a “20” kit will cover 20 sq. ft., 1-inch thickness.
It's closed-cell
Yes, it's flammable.
Temperature resistance is -103 F to 239 F.
The effective lifespan of Fastcoat Insulation Spray Foam is 25 years.
Yes, it's waterproof after appropriately cured.
You can be home after 12 hours of the application.
No, it doesn't.
After 6 hours.
Respirator, goggles, chemical-resistant gloves.
You can use it, but no need after the Fastcoat application.
R-Value is 5.66 per inch.
20 board feet at 1 inch thick of spray foam with an R-value of 5.66.
Yes, it works well for that. It can get into all the cracks and holes.
It is a medium to low density.
You can use it with spray foam gun. You'll also need spray foam gun cleaner or acetone to clean up any messes and prolong the applicator gun life.
Other spray foam guns may work with Kraken FastCoat, but for optimal performance, we recommend Kraken guns. For trusted products, including Kraken and compatible Stanley products, visit OneClickDIY.
No, it doesn't. Great stuff has there own special tip, and the directions with Kraken spray foam won't work.
Under a porch. it won't get wet
You can use it on the bottom side of the galvanized roof and shouldn’t expose it to sunlight.
Yes, it prevents heat. You can apply it to the bottom side of the gazebo. It would be better if you cover it with plywood, plasterboard, or similar products that keep it from the direct sunshine. You can paint it with black color if not possible to cover with the other materials.