HandiFoam Fireblock Straw Foam Sealant is a low-pressure, one-component polyurethane foam sealant designed to seal, fill, bond, and stop air infiltration in areas where a fireblock product is required. Its expansion characteristics make it more effective than traditional fire blocking materials for stopping flames and smoke in concealed penetrations, preventing flame spread from room to room and floor to floor.

Key Features & Design

• Low-pressure, one-component polyurethane foam sealant that cures with moisture to seal gaps, fill voids, and bond to substrates.
• Fireblock performance designed to block flames and smoke in concealed penetrations, helping prevent cross-room and cross-floor flame spread.
• Materials polyurethane foam sealant; moisture cured.
• Expansion characteristics provide effective sealing where traditional materials fall short.
• Per-can weight 24 oz (680 g).
• Packaging 12 cans per case.
• R-Value 4.5 at 1" thick.
• Shelf life 15 months.
• Lead time ETA 2 days.