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Old 20.01.2016, 20:58
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cutting a chimney pipe

bought a wood-fired oven for the winter garden along with steel chimney pipe...which is too long. Would anybody know where I can get that cut? It's 15cm in diameter and 2mm thick, which is standard chimney size. Zug/Zurich corridor?
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Old 20.01.2016, 21:52
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Re: cutting a chimney pipe

You could ask at a car body repair garage. Be aware that the height of the chimney will affect the flow of air through the fire oven. If you shorten the chimney it won't work as well.
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Old 20.01.2016, 23:40
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Re: cutting a chimney pipe

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You could ask at a car body repair garage. Be aware that the height of the chimney will affect the flow of air through the fire oven. If you shorten the chimney it won't work as well.
+1. If the chimney is twice as tall, it draws twice as well. Also, try to put it somewhere where it will be 60 cm taller than anything within 3 meters distance, to avoid wind currents. That said, If you bring it by Luzern I'll cut it for you. PM me if you'd like...
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Old 21.01.2016, 00:19
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Re: cutting a chimney pipe

Check the Building Regulations first. In most Kantons a chimney must be 50cm or more, above the ridge of the roof.
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Old 21.01.2016, 00:21
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Re: cutting a chimney pipe

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bought a wood-fired oven for the winter garden along with steel chimney pipe...which is too long. Would anybody know where I can get that cut? It's 15cm in diameter and 2mm thick, which is standard chimney size. Zug/Zurich corridor?


Eve you right handed use the red one ,left the green
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Old 21.01.2016, 00:22
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Re: cutting a chimney pipe

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Check the Building Regulations first. In most Kantons a chimney must be 50cm or more, above the ridge of the roof.

Within 10 feet
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Old 21.01.2016, 00:46
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Re: cutting a chimney pipe

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Eve you right handed use the red one ,left the green
2mm thick? angle grinder with a cut-off wheel

Tin snips can only handle about 1/4 of that thickness, and they'd turn the end of pipe into a mangled mess. They're not left and right handed, either. That has to do with direction of curve for the cut

Last edited by pilatus1; 21.01.2016 at 01:00.
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Old 21.01.2016, 01:20
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Re: cutting a chimney pipe

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2mm thick? angle grinder with a cut-off wheel

Tin snips can only handle about 1/4 of that thickness, and they'd turn the end of pipe into a mangled mess. They're not left and right handed, either. That has to do with direction of curve for the cut

I doubt the 2 mm , standard stove pipe gage is 28 gage, .356 mm.


I also working in sheet metal for over forty years Maybe he should buy himself a "Plasma" cutting tool http://www.hearth.com/talk/wiki/cut-...nd-stove-pipe/

Last edited by cannut; 21.01.2016 at 01:46.
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Old 21.01.2016, 08:47
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Re: cutting a chimney pipe

I doubt the OP was just guessing on the wall thickness. I imagine he has something like this, 2mm:

https://www.hornbach.ch/shop/Ofenroh...1/artikel.html

ooh, plasma cutter, now we're talking...
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Old 21.01.2016, 11:21
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Re: cutting a chimney pipe

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I doubt the OP was just guessing on the wall thickness. I imagine he has something like this, 2mm:

https://www.hornbach.ch/shop/Ofenroh...1/artikel.html

ooh, plasma cutter, now we're talking...
That is exactly what I have. The total length of the chimney is 1.80m and I have 2 x 1m pipes... I have the exhaust and connector already in place from a previous oven... This is in our wintergarten.
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Old 21.01.2016, 11:38
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Re: cutting a chimney pipe

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Check the Building Regulations first. In most Kantons a chimney must be 50cm or more, above the ridge of the roof.
Also look out for stuff such as tall trees and other buildings and structures etc in the immediate vicinity. Anything that is close enough to the chimney to mess with the wind and local air currrents can adversely affect your draught.
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Old 21.01.2016, 14:44
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Re: cutting a chimney pipe

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Also look out for stuff such as tall trees and other buildings and structures etc in the immediate vicinity. Anything that is close enough to the chimney to mess with the wind and local air currrents can adversely affect your draught.
Sorry...there was an oven there before, but it was taken away by the previous tenants along with the part of the steel pipe connecting the oven to the ceiling - the pieces beyond that, through the roof structure and outside are all there....which is why I am stuck with the length issue...otherwise I would have adjusted at the top.
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Old 21.01.2016, 14:59
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Re: cutting a chimney pipe

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2mm thick? angle grinder with a cut-off wheel

Tin snips can only handle about 1/4 of that thickness, and they'd turn the end of pipe into a mangled mess. They're not left and right handed, either. That has to do with direction of curve for the cut
If you have an angle grinder (or can borrow one) just buy a metal cutting blade from Hornbach (cost < CHF 5.00). Put a tape line around the pipe where you need to cut so you can follow the line. Have someone hold the other end of the pipe and "roll" it along a saw horse or other (so you can be standing up) and follow the line. Will be cut in under a minute and will be nice and smooth.
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