Sprayman Fire Stop B2 Gun Foam Sealant

Sprayman Fire Stop B2 Gun Foam Sealant provides exceptional sealing and insulation for extensive gap filling and fireproofing needs. Designed for use with a spray foam gun (not included) or available in a 12 oz straw applicator version for precision control, this fire block spray foam is perfect for sealing around electrical outlets and water pipes. It features self-extinguishing properties, making it ideal for filling wide gaps. Environmentally friendly and free from harmful propellants, this foam sealant also serves as a waterproof, mold-proof, and paintable solution. Certified to meet ASTM E84201 and UL Classified (ICC-ESL-1058) standards for fire safety.

Features & Benefits

• Versatile Use: Ideal for various fireproof insulation projects, enhancing fire safety and providing an effective air seal. Perfect for sealing around HVAC ducts, basement gaps, and attic spaces.
• Enhanced Adhesion: Strong adhesion makes this firestop foam an effective gap filler and sealer.
• High Yield: Polyurethane expanding foam expands to fill wide gaps, yielding up to 14 gallons with the 20 oz option.
• Mold and Water Resistance: This fire retardant foam is mold-proof, waterproof, and fire-resistant, providing comprehensive protection.
• Paintable: Can be painted over to seamlessly blend with any decor.

Application Areas

• Electrical Outlets and Water Pipes: Insulates and seals to prevent fire spread.
• Doors and Windows: Fixes and insulates frames as a window and door sealer foam to enhance fire safety.
• Wall Penetrations: Excellent for filling wall penetrations.
• General Construction: Seals gaps, joints, and cavities, acting as an effective foam filler for gaps.

How to Use

• Safety Precautions: Contains Diphenylmethane-4,4'-Diisocyanate. Avoid inhaling the spray/vapor. Use gloves and protective clothing in a well-ventilated area.
• Surface Preparation: Clean surfaces of dust, grease, and contaminants before use. Lightly moisten surfaces above 32°F for better adhesion.
• Product Preparation: If the can is too cold or hot, bring it to room temperature. Optimal can temperature is 68°F.
• Application: Shake the can vigorously before use. For gun applicator, attach to the gun, invert and dispense slowly. For straw applicator, attach the straw, invert the can, and apply the foam slowly. Start from the bottom of the gap and work upwards to avoid overfilling as the foam will expand.
• Cleaning: For uncured foam, use a spray foam cleaner (not included); mechanical removal is required once cured.
• Finishing: Tack-free within 6±3 minutes, fully cured within 24 hours. Once cured, it can be painted or plastered to protect against UV.

Specs

Volume: 20 fl oz and 12 fl oz
Fire Rating: B2, as per DIN 4102-1
Storage: Store in cool, dry conditions between +41°F and +86°F
Shelf Life: 12 months when stored properly