The 12'' Silver 40-80mm All Aluminium Fire Rated Letterplate is lined with special intumescent material which expands to 50 times its size, blocking the hole in the cavity and preventing smoke coming through the cavity.The Fire Resistant Anti Vandal 300mm all aluminium 12 inch letterplate comes with both an external and internal flap to protect your customers homes, and is available in 40-80mm depths for composite and wooden doors. 60 minutes fire rated Uses special heat absorbers to stop hot screws melting the plastic Intumescent activated at 5 degrees lower than most in the market Designed for 40-80mm thick composite and wooden doors Conforms to many standards and testing requirements including BS EN 1303:2005
Additional Sizing
- Distance between screw holes = 272mm
Additional Sizing 2
- Cavity Hole Size = 257mm x 42mm
Colour
- Silver Anodised