The Abesco CP310 Fire Rated Acrylic Intumescent Caulk is an easy to apply, UL Classified water based acrylic caulk meant to fill gaps, spaces and cracks found in walls and ceiling pass-through firewalls running pipes, cables, air conditioning ducts and more.
This fire protection, halogen free caulk will adhere to most building substrates and when exposed to fire, the Abesco CP310 caulk expands while turning into a carbonaceous char that blocks smoke and fire from passing.
Environmentally friendly, the acrylic intumescent caulk does not contain any solvents, PCB's or asbestos.
*Tested in accordance with ASTM E814 (UL1479) and UL Classified up to 2 hour rating.