2mm flexifire intumescent deadlock kit expands when exposed to heat helping seal gaps around deadlocks and maintain FD30 and FD60 fire door integrity
Designed for deadlocks with 45 to 57mm backset helping protect the lock recess within timber fire doors
Graphite based intumescent material expands rapidly under fire conditions helping form a barrier against fire and heat
Self adhesive backing for quick installation allows the kit to be easily positioned behind the deadlock case
Thicker 2mm intumescent construction provides increased material volume helping enhance fire protection around the lock recess
Tested to EN1634-1:2014+A1:2018 and BS476 Part 22:1987 demonstrating compliance with recognised fire door testing standards