ENVIROGRAF Flexible Strip Cavity Barrier is a flexible, PVC and foil-clad intumescent strip with self-adhesive backing to adhere to walls. Designed especially for timber frame buildings. High expansion intumescent locks against the external side of the internal wall in a fire without affecting outer wall. Blue plastic sleeve robust enough to prevent damage by water or pests. Under heat the intumescent creates a fire seal, thus providing full fire protection.
Protects 80 - 90mm Cavity
Provides a minimum of 2 hours protection
Strip barriers are ideal for modular buildings where space is limited, due to their small profile
Easy to install with adhesive strip, but can be fixed down with screws or nails to provide additional fixing
Supplied with fixing brackets
Length: 2 Linear Metres
Gap Size: 80/90mm
Strip barrier tested to BS476 parts 20, 22 and BS EN 1363-1 (1999), giving fire protection from 60 to 120 minutes.