FlameShieldä Fire Rated Acrylic Firestop Caulking
FlameShield™ fire rated acrylic intumescent caulk is designed to prevent the spread of fire from one compartment to another wherever services wires, cables and pipes penetrate separating walls and floors, or wherever a gap remains between elements in fire rated walls or floors.

This single part water based acrylic caulk provides a firm but flexible seal to joints in a variety of fire rated structures.  It will not support combustion, and when exposed to fire it forms a carbonaceous char which expands to effectively seal any gaps, and prevents the spread of smoke and fire.

Available in a variety of packaging sizes.

Fast cure – tack free in 75 minutes.

Excellent adhesion to most building materials.

Excellent slump resistance.
Fire Rated UL1479
Acrylic Caulk Firestop
Catalog Page & Pricing
Part Number
FR-FS-CAULK
Fire rated acrylic intumescent caulk UL1479 firestop
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Firestop Caulking UL1479 Catalog Page
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