KIT C - Front smoke frame and flap + intumescent liner + security hood (standard security hoods are black).
An intumescent fire and smoke protection letter flap system with a security hood with brush seal to stop people putting their hand through the letterbox.
Sizes - aperture:
- 50mm x 267mm - overall 75mm x 315mm
- 69mm x 290mm - overall 100mm x 335mm
Colour of security hood - black
This product has been included in a fire test employing the general procedures and criteria of BS476 Part 22 1987, built into a composite door, maintaining the integrity of the door for 61 minutes.
Also tested to European Standard EN1634-1 (2000), achieving 68 minutes integrity