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Isolated flues improve the draw.

Do we need to insulate when we fit a chimney liner?

If the chimney is exposed (on an outside wall), or
the stack is particularly tall, or 
the flue is of a large diameter

then the answer to the proposed question above is a definite YES! Insulated liners keep the flue gases warmer, increase the upward speed of those gases and help prevent condensation.

Otherwise it is not necessary. The air between the liner and the flue will insulate the liner.

However, it is not difficult to insulate a liner (just adds cost) so it is up to you. 

Fitting is straightforward. Instead of feeding it down the chimney you haul it up the chimney. The person at the top has to have a very secure platform (e.g. scaffolding). A cherry picker might work but add the liner and wrap weight to the maximum allowed by the cherry picker. 

Additional Information

Name Chimney Wrap Single Sleeve 1 mtr.
Reference number TF1251501M
Inside pipe AISI 316L (1.4404)
Type of fuel Wood & solid fuels
Temperature of use 600ºC continuous, 1000ºC peak.
Delivery time (working days) 1-2
(Compatible with) internal pipe diameter (mm) 125-150

What other people are saying about us:

Stove pipe customer

"Very good price!!"

"Easy to order; Good quality; Delivery next working day. Fab "
Steve Kemp -  Market Rasen

Stovepipe customer

"Loved the support"

"Very rapid delivery and well packed. All items in excellent condition. Thanks dad for the installation!"
Carolyn Mckinnon - Bath



6 inch stove pipe customer

"Easy job of just a few hours..."

"All well packed on time and unmarked and cheaper than anywhere on the web. "
H. T. Edwards - Birmingham


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