Envirograf Intumescent Pipe Collar

Envirograf Product 13 is a sturdy metal intumescent collar used to fire seal openings around pipes and cables in walls, floors and ceilings. The two-part hinged body with quick-release pin allows the collar to be fitted around existing pipework, and in a fire the intumescent expands to crush plastic pipes or cool metal ones.

• Up to 4 hours fire protection depending on collar depth
• Sizes from WPCS 45 to WPCS 650 covering 45mm to 650mm internal diameter, with made-to-order kits up to 900mm
• Supplied with brackets for face fixing or rebating into the structure

Technical documents

Envirograf publish the technical data sheet and safety data sheet for this product on their own site, where the current revision is always shown. Envirograf technical documents