The Zoo Hardware Door Viewer Intumescent Sets are designed to be suit all the ZAB30 Zoo Hardware Fire Rated Door Viewers in order to comply with FD30 Fire Regulations. They have a self-adhesive backing for easy application and they are adjustable to suit product dimensions.
The Door Viewer Intumescent's are 1mm FlexiFire Intumescent graded for use on 30 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 per pack (Please NOTE - Door Viewers must be purchased separately).
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.