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Intumescent toilet/bathroom ventilation outlet protection

Product 33


Fire resistant sleeve and ventilation system to protect ventilation ducting in bathrooms

Not available to purchase online.

Please contact us on +44 (0) 1 304 842 555 to order.

Clipper Range 1Clipper range 2Clipper range 3LV Range 1LV Range 2LV Range 3LV range 4


A fibre-free intumescent sleeve which allows the expansion and contraction of ventilation ducting. Effective bathroom ventilation that protects against fire, smoke and corrosion. Also included in the range is the CLVM Clipper, a ventilation outlet designed for toilet vents. Consists of a 140mm pipe section which fits tightly inside the end of the ventilation pipe and a circular outlet which is then screwed into the wall or ceiling. Has intumescent at both ends to seal off ventilation systems in a fire.


– 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.

Application Instructions

Peel off the backing paper to reveal the self-adhesive strip on the back of the LV intumescent liner.
Push the LV liner inside the pipe, leave 30mm clear for the ventilation grille to be inserted if necessary.
Press on the LV liner to fix in position using theb self-adhesive strip. Any overlap can be trimmed using a sharp knife.
Affix the protection label adjacent to the protected service.

Order References / Sizes

(A) Internal intumescent liner

LV50/1                                     For   50mm internal pipe 1 hour protection

LV75/1                                     For   75mm internal pipe 1 hour protection

LV98/1                                     For   98mm internal pipe 1 hour protection

LV100/1                                   For 100mm internal pipe 1 hour protection

LV100/2                                   For 100mm internal pipe 2 hours protection

LV150/1                                   For 150mm internal pipe 1 hour protection

LV200/1                                   For 200mm internal pipe 1 hour protection

LV205/1                                   For 225mm internal pipe 1 hour protection

LV300/1                                   For 300mm internal pipe 1 hour protection


(B) Length of grey PVC 110mm OD* pipe with internal intumescent liner

LV225/P                                   For 225mm pipe length 1 hour protection

LV300/P                                   For 300mm pipe length 1 hour protection

LV450/P                                   For 450mm pipe length 1 hour protection


(C) Metal sleeve with internal intumescent liner for cavity walls.

LVM100                                   100mm internal metal pipe 1 hour protection


(D) Metal sleeve with fixing brackets and internal intumescent liner, for suspended or plasterboard ceilings, supplied with fixing screws. (For fixing around fan sprogett and flexible tubes).

LVML  98/1                              For  98mm internal diameter pipe

LVML100/1                             For 100mm internal diameter pipe

LVML150/1                             For 150mm internal diameter pipe



(E) Clipper Range of Vent Sleeves

Ref                                                           Diameter                                                             Height

CLVM110                                                  110mm                                                             140mm

CLVM150                                                  150mm                                                             140mm


(F) Firoblok Sleeve

Ref                                              Fan/Vent Outside Diameter                           Cut Hole Diameter approx

EC  80                                                          80mm                                                               95mm

EC100                                                        100mm                                                             118mm

EC125                                                        125mm                                                             140mm

EC150                                                        150mm                                                             170mm