Ascentor Chimney Stack


Slope mounted chimney stack to made to the exact pitch of your roof. Can be supplied in various finishes. (Smooth coat, Rough cast, Brick slip) and comes with a pre fitted Therminox ZI length.

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Product Description

The Ascentor models are a working chimney inside an aesthetic stack. Available in many models and different finishes meeting the demands of your project and environment.
Available as square or rectangular, with a various range of finishes ( brickslip, roughcast, smoothcoat), our Ascentor Chimney Stack comes complete with a pre-installed section of Therminox ZI twin wall insulated chimney system. Our twin wall insulated system chimney is CE marked and designated as suitable for use with all gas, oil, pellet and wood burning appliances. Complete with a comprehensive range of standard accessories to suit all applications. It is ideally suited for operating temperature up to 450°C and comes with a 10 year Axa backed guarantee.

Our range of pre-fabricated chimney stacks can generally be installed in less than an hour without the need of any structural work to the roof trusses. The chimney stack unit is lightweight and is easily man handled into position without the need of heavy lifting equipment or carnage.

To ensure a weather tight roof, our chimney stacks come complete with a designed flashing suitable for most of the roofing materials and roof pitches.

All of the products offered by Cheminées Poujoulat have been rigorously tested in every configuration by the CERIC Laboratory to ensure they meet highest standards (Building Regulation Document J – Amendements to Approved Documents).

Max. Temperature limitation:
Soot fire tested at 1000°C
Operating temperature 450°C
4 hours fire rated to BS 476-20

Flue Insulation:
High pressure injected mineral wool 30mm thick.


diameters (1)

Square Model


Rectangular Model



Smoothcoat finishes

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