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Vented Firestop Plate, White, 150mm

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A Ventilated Firestop plate used when the chimney passes between floors

i.e when the chimney passes through the ceiling on the ground floor through to the first floor

NOTE - The diameter referred to in twin wall chimneys is the internal diameter - the external diameter is 50mm wider, and is not used to describe the vented firestop plate.

Availability: In stock


Delivery: normally within 3 working days.  Next day possible if ordered before 12 (T & C's apply). more about delivery

For more info call 01244 913 320 or email us 

We aim to give you the best prices on all stoves, and include a free flue pipe. If you've seen it cheaper, call or email us the link.

Free flue design service  - we aim to beat any quote for similar products.


More Info


When the chimney passes through the ceiling on the ground floor through to the first floor, the vented firestop plate is attached to the underside of the ceiling.

The steel plate is designed to provide the appropriate distance between the flue and the adjacent flammable materials, according to building regulations

The vents allow for a cooling draught when the chimney is 'boxed in' in the room above, with a further firestop on the floor and another on the ceiling.

A Non-Ventilated Firestop plate can be used on installations burning gas or oil.

Distance to combustibles is 60mm. (e.g. wood, plaster board).

For use on solid fuel and gas/oil appliances. eg: wood burning stoves, gas, coal effect fires, oil boilers, solid fuel appliances.

TW Pro is HETAS Approved and is CE marked.

TW Pro Twin Wall Insulated Chimney parts are secured together by using a Locking Band.

Twin wall chimney systems are referenced by their INTERAL diameter. The external diameter is 200mm.



Diameter 150mm internal / 200mm External
Colour Stainless
CE Certification EN1856-1 T600 N1 D V2 L50040 G50
Inner Material 316L Stainless Steel - 0.40mm thick
Outer Material 304 Stainless Steel - 0.40mm thick


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