Firoblok Sleeve For Fan Vent

£6.44 £7.73 (inc. VAT)

Fire resistant sleeve to protect ventilation ducting in bathrooms

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A fibre-free intumescent bathroom ventilation sleeve that allows the expansion and contraction of ventilation ducting. Installing an intumescent sleeve for outlets provides effective passive fire protection. In the event of a fire, the intumescent expands to create a fire barrier, able to compartmentalise fire. Intumescent sleeves can also withstand wet conditions of bathroom areas, with its fireproof properties remaining unaffected.

– For use where toilet ventilation fans are fitted onto fire rated ceilings or walls, providing up to 2 hours protection- Simple installation, allowing the pipe to be slid down onto the unit
– Will last a lifetime in-situ and will not degrade or deteriorate.

Ref                          Fan/Vent Outside Diameter              Cut Hole Diameter approx

EC  80                                      80mm                                              95mm

EC100                                     100mm                                            118mm

EC125                                     125mm                                            140mm

EC150                                     150mm                                             170mm


Firoblok Sleeve tested to BS476 Part 21 (1987), achieving an integrity of 90 minutes.

Technical Information
Application Instructions


Brand Envirograf
Weight 0.25kg
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