Isokern 250mm i/d 15° Bend
Isokern
The Isokern 250mm internal diameter 15° bend for large open-fire and firebox installations.
This pumice liner bend fits fires with flue up to 250mm. Requires minimum 15mm insulation installed around it by builder using brickwork or blockwork. Pumice ensures high insulation performance maintenance and lightweight durability.
- Internal diameter: 250mm
- Bend angle: 15°
- Material: Pumice construction
- Insulation: Requires minimum 15mm by builder using brickwork or blockwork
- Compliance: CE certified to EN 1857
This pumice liner bend is available for order and suits large flue offsets.
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Isokern 250mm i/d 15° Bend
Product Q&A's
Please feel free to ask any related questions, and we strive to give you the most accurate answer.
1 question
Maybe a silly question - My builder says we have to have a bend in the chimney to make it draw, but this would not work with the planed route above as we need it straight- do you have to have bends in a chimney?
No its not a silly question as we are asked this alot (we are told this by many builders!) - A Chimney / flue system generally performs better the straighter it is vertically, this keeps the friction of the gasses to the flue liner to a minimum and therefore keeps performace maximised, this is due to less resisitance compared to a bend in the flue which also then increases turbulance. So in short the straighter the flue the better the performance. Traditionally you would install a set of bends on the flue to move the flue route over for the bedroom fire above, which they would try to centralise.


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