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....
Fits between rear door hinges to prevent fingers getting trapped, self adhesive makes this easy to fit and suitable for most doors. Long life product, comes in either silver or white.
Rear and front ...