1mm Interdens Intumescent Kit for DIN Locks - & - 55-60mm Backset - Mono Ammonium Phosphate

1mm interdens intumescent DIN lock kit expands when exposed to heat helping seal gaps around the lock case and maintain the fire resistance of FD30 and FD60 fire doors
Designed for DIN lock installations with 55 to 60mm backset helping protect the lock recess area which can otherwise weaken the fire door structure
High performance intumescent material expands under high temperatures helping restrict the passage of fire and hot gases through the lock cavity
Self adhesive backing for quick installation allows the intumescent sheets to be easily applied behind the lock case during fitting
Flexible 1mm construction wraps neatly around the lock body providing reliable protection within the lock rebate
Tested to EN1634-1:2014+A1:2018 and BS476 Part 22:1987 providing reassurance the kit meets recognised fire door performance standards