1mm Interdens Intumescent Kit for Sashlocks - & - 45-57mm Backset - Mono Ammonium Phosphate

1mm interdens intumescent sashlock kit expands when exposed to high temperatures helping seal gaps around the lock case in FD30 and FD60 fire doors
Designed for sashlocks with 45 to 57mm backset helping protect the lock recess and maintain fire door performance
High performance intumescent material expands under heat helping restrict the spread of fire and hot gases through the lock cavity
Self adhesive backing for easy installation allows quick application behind the lock case during installation
Flexible 1mm sheets wrap around the sashlock body providing effective fire protection within the lock rebate
Tested to EN1634-1:2014+A1:2018 and BS476 Part 22:1987 demonstrating compliance with recognised fire resistance standards