This Exitex fire rated intumescent sealant is an acoustic acrylic designed for sealing linear gaps and small floor/wall holes.
Fire tested BS476: Part 20 & 22 for up to 240mins on a timber fire door....
These Exitex fire-rated packers are designed to sit between the architrave of the door and the wall to help keep them safe in the event of a fire.
The doorset installation should be in accordance wit...