Kraken Bond Extreme Fire Block Polyurethane Straw Foam Sealant

Ensure your home's safety with Kraken Bond Extreme Fire Block Polyurethane Foam Sealant. This self-extinguishable aerosol foam is perfect for filling, sealing, and bonding gaps. Easy to dispense through the included straw adapter, it creates a robust barrier against fire spread. Ideal for both professionals and DIY enthusiasts, it offers excellent adhesion, high expansion, and superior thermal insulation. Eco-friendly and compliant with ASTM E84201, UL Classification, and ICC ESL-1058 standards, it ensures reliable protection and performance.

Features & Benefits

• Fireproof Insulation: Incorporates fire-retardant sealant technology, enhancing safety and security in various projects.
• Superior Adhesion: Ensures excellent bonding to most building materials.
• High Expansion Rate: 2240 linear feet at 1/4 inch for 20.3 fl oz, 1493 linear feet at 1/4 inch for 13.5 fl oz. Suitable for budget-conscious projects, this high-yield, reusable sealant is an efficient and economical choice.
• Mold and Water Resistant: Once cured, the fire foam is both mold-proof and waterproof, enhancing the longevity and integrity of your installations.
• Paintable: Easily painted over once cured.

Application Areas

• Door and Window Frames: Perfect for fixing and insulating door and window frames, creating a fire resistant seal.
• Gaps and Joints: Ideal for filling and sealing gaps, joints, and cavities in various construction projects.
• Wall Penetrations: Excellent for filling wall penetrations, ensuring a fireproof barrier.
• Electrical and Plumbing Insulation: Suitable for insulating and sealing, providing protection against fire spread.

How to Use

• Safety Precautions: Contains Diphenylmethane-4,4'-Diisocyanate. Avoid breathing the spray/vapor. Use gloves and protective clothing in a well-ventilated area.
• Surface Preparation: Clean surfaces of dust, grease, and contaminants. Lightly sprinkle water on the working surface.
• Product Preparation: If the can is too cold or hot, bring it to room temperature. The optimal can temperature is 68°F.
• Application: Shake the can well before use. Attach the straw adapter, invert the can, and apply the foam. Start filling vertical gaps from the bottom and move upwards without overfilling, as the foam will expand.
• Cleaning: For uncured foam, use Kraken Foam Cleaner. Mechanical removal is required once the foam has cured.
• Finishing: Once cured, it can be painted or plastered to protect against UV exposure.

Specs

Packaging: 24 oz / 12 oz cans with a straw adapter for easy application.
Fire Rating: B2, as per DIN 4102-1.
UL Score: Flame Spread: 10, Smoke Developed: 15 (UL 723).
Cure Time: Tack-free within 6±3 minutes, fully cured in 24 hours.
Shelf Life: 12 months when stored properly.
Storage: Store in cool, dry conditions away from direct sunlight and sources of ignition. Do not expose to temperatures higher than 122°F.