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Woodburners

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redhand:

--- Quote from: "waveydavey" ---Basically you need a class 1 flue; essentially Brick or clay.
If you look up the chimney and you can see a metal liner then you will need to do something.
--- End quote ---


Not true you can buy a twin walled stainless steel flexible flue for use with a multifuel or woodburning stove. The best method is to have the chimney lined. This is done by inserting a long inflatable sausage down the chimney and inflating it. A fast setting lightweight Pumice/cement mixture is then pumped down the chimney when it's set the sausage is deflated and removed. Leaving you with a perfectly smooth chimney which also becomes an heat sink when the fire goes out.

If the property was built in the 1960's then it is highly unlikely that it will need lining. but you need to ensure it was designed to be used as a open fire as some houses were built to have a gas fire and the flue wasn't designed to take the heat of a open fire or woodburner.

V8MoneyPit:

--- Quote from: "redhand" ---The best method is to have the chimney lined. This is done by inserting a long inflatable asusage down the chimney and inflating it. A fast setting lightweight Pumice/cement mixture is then pumped down the chimney when it's set the sausage is deflated and removed. Leaving you with a perfectly smooth chimney which also becomes an heat sink when the fire goes out.
--- End quote ---


You are quite right, but it's an unecessary expence if the chimney passes a smoke test anyway.

If LSP has a gas liner installed, this will have to be removed. If the chimney is then found to be sound, all he needs is a register plate and a length of vitreous enamel flue.

If the chimney fails the smoke test, the cheapest way is to use the flexy liner that you mention.

My wife ships out about 10-15 cast iron stoves every day and unfortunately I let myself get involved  :roll:

rollazuki:
I whipped the gas flu out of my chimney(not an easy task,the damned thing is enormous when you get it out) checked chimney inside(have it smoke tested) and blanked the base off and installed stove flu.
Dont forget to give access point to have flu cleaned!!

Best buy Ive ever made, no matter what the weather, if gas or leccy go out, Ive got a kitchen like a sauna.

Feels great at christmas time as well, crackling fire and all that :D

scatt:
i just smoke test the chimney, had it sweept and away i went. my house was built in 1963. (no liner) works fine. go for duel fuel if you can a little more expensive but worth every penny. ive had both and duel fuel easier.

Lord Shagg-Pyle:
Sound advice coming in here chaps.
The next question is based on me being a stingy git. If the flue is 'gas lined', can it be removed as a DIY job?
What is a smoke test, and how is it done?

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