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Intumescent Pipe Collars


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Intumescent Pipe Collars


FirePlug Intumescent Firestop Collars provide a simple and effective method of firestopping plastic pipework where it passes through compartment walls and floors. Tested in accordance with BS 476:Part 20 and EN 1366-3, FirePlug Firestop Collars will provide 2 hours fire protection.

General benefits:

• Simple to install
• Water resistant
• Maintenance free
• Available to suit pipe sizes ranging from 55mm to 250mm outer diameter
• 3rd Party Certificated

Fire Rating

FirePlug Intumescent Firestop Collars will provide 2 hours fire protection.

Suitable for sealing PVC, UPVC, CPVC Polypropylene, HDPE, MDPE, PE plastic pipes. ABS plastic pipes can be sealed up to 55mm. Please consult our technical sales office for clarification.

Not suitable for ventilated pipe applications.


FirePlug Intumescent Firestop Collars consist of a powder coated steel sleeve containing a flexible graphite based intumescent liner manufactured to suit the pipework to be firestopped.

Integral toggles are opened up and the collar is simply fitted around the plastic pipe. The toggles are closed and the collar is pushed flush to the surface of the wall or underside of floor. The collar is then securely fastened to the structure by means of fire resistant fixings threaded through fixing tabs.

Annular gaps around the pipe of up to 15mm should be filled with FirePlug Acoustic Intumescent Sealant. For annular gaps greater than 15mm FirePlug Firestop Compound can be used. Under fire conditions the intumescent material swells filling the void left by the burnt out plastic.

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