The Zoo Hardware Intumescent Interdens Set are available in a set of 4 pads per pack making them suitable for a pair of hinges. The pads are available in1mm or 2mm versions in order to comply with FD30 or FD60 Fire Regulations. They have a self-adhesive backing for easy application and they are adjustable to suit product dimensions. The Material made to create the interdents is Mono Ammonium Phospate (MAP).
The Intumescent's are 1mm graded for use on 30-minute fire doors and 2mm for 60-minute fire doors.
In case of a fire the intumescent material reacts to the heat of a fire and expands to seal any gaps around the lock and maintain the fire resistance and integrity of the door.
Supplied as one complete Set of 4 Pads per pack.
NEXT DAY DELIVERY (on orders placed before 1pm)
NOTE: If your order contains a mix of products they will be despatched altogether. The delivery will be determined by the product with the longest delivery time. For more info see delivery page.