Stanley Fire Block Straw Foam Sealant - Insulating Foam Sealant, 24oz

Stanley Fire Block Straw Foam Sealant offers a fire resistant insulation foam solution for effectively filling, sealing, and insulating gaps and joints. With its easy-to-use straw adapter, this self-extinguishing aerosol polyurethane foam is ideal for enhancing fire blocker in residential and commercial buildings. This versatile foam sealant also acts as an effective gap filler. It is compliant with ASTM E84201 and UL Classified (ICC-ESL-1058), and meets rigorous safety regulations.

Features & Benefits

• Versatile Use: Stanley Fire Rated Foam fills wide gaps in any fireproof insulation, sealing, and bonding project due to its high expansion rate.
• Excellent Adhesion: Bonds strongly to most building materials for reliable insulation.
• High Yield: Stanley Fire Foam expands to fill wide gaps, with a yield of up to 10.6 gallons.
• Mold and Water Resistance: Withstands moisture, preventing mold growth and water ingress, acting as a waterproofing sealant.
• Paintable: Can be overpainted with water-based paints for aesthetic integration into building design.

Application Areas

• Electrical Outlets and Water Pipes: Insulates and seals to prevent fire spread.
• Doors and Windows: Fixes and insulates frames as a window door foam to enhance fire safety.
• General Construction: Stanley Firestop Foam seals gaps, joints, and cavities in walls and floors.

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 before use. 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: Apply foam in layers, allowing each to expand and cure.
• Finishing: Tack-free within 3-6 minutes, fully cured within 24 hours. Once cured, it can be painted or plastered to protect against UV.

Specs

Fire Rating: B2, as per DIN 4102-1.
Packaging: 24oz can with a straw adapter for easy application.
Shelf Life: 12 months when stored properly.
Storage: Store in cool, dry conditions between +41°F and +86°F.