BOSS® 333 Gap Filling Foam Sealant 12 oz (Tan)

APPLICATIONS

Air sealing

Partition walls with ceilings

Through penetrations around cables and pipes

Seams between chimneys, roof protection, roof panels and wall panels

FEATURES & BENEFITS

• BOSS® 333 is a ready-to-use, multi-purpose, polyurethane foam that expands to three times its original volume on contact with air. The expanding action fills holes, cracks and gaps more completely than standard caulks. BOSS® 333 has excellent insulating properties and superb adhesion to virtually all building materials.
• Meets CA-25-4
• UL Classified, Tested to ASTM E-84
• Triple Expanding
• Weatherproofs against wind and moisture
• Fills gaps, cracks and holes
• Seals out insects and pests
• Can be sanded, painted and stained
• Complies with EPA Method 24 and California
• Air Resource Board Method 310
• VOC Compliant