specially formulated to impede the spread of flames and smoke through service penetrations

Comes with NEW SMART DISPENSER Straw

No drips, less mess - foam stops where you stop

Reusable for up to 30 days - use again and again

Precise, greater control

Bright orange in color for easy code identification

ICC-ES Evaluated ESR-1961

Seals electrical wires running through wall studs.

Creates an airtight, water-resistant seal

Tack-free in 5-15 minutes, trims in one hour