Rockwool Intumescent Fire Collars are a unique, simple and cost effective method of firestopping plastic pipework where it passes through fire resistant walls and floors in a retrofit situation.
Pipe collar comes in a 110mm circumference
Provides up to 4 hours fire protection
Simple to install and maintenance free
Corrosion resistant power coated steel sleeve makes it strong and durable
Unique properties means intumescent swells, filling any voids left by burnt platic