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FlyfishermanMike
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# Posted: 23 Sep 2008 21:08
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We put a new metal roof on our steeply pitched cabin a few years back. The chimney sits near the bottom, near the back as the roof changes from steep to nearly flat. Without fail each year the snow rips of the chimney despite everything we've tried. Reinforcing with cables and such. We can't create a channel big enough to redirect the snow around it. What are my options? Someone suggested putting some spikes in along the back of the roof. That way all the snow wouldn't fall off the roof, taking the chimney with it. Would that work? It may be possible to take the chimney out the side of the cabin and then up. Would anything with heat work to keep a channel around the chimney open? Thanks
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CabinBuilder
Admin
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# Posted: 24 Sep 2008 10:25 - Edited by: CabinBuilder
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I think I have an idea, but I am not sure how to explain it...
Consider making a triangular shaped partition between cabin chimney and the roof, narrow at the top and widening toward the roof and chimney base. Perhaps made of a sheet of metal bended almost in half, sides down, to the width of the chimney.
It will prevent snow from building up behind the chimney and will spread it to the sides.
Something like this:
Cabin Chimney Ice/Snow Braker
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toyota_mdt_tech
Member
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# Posted: 29 Jan 2010 00:22
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I have seen the same deal. They would have a pichted section of metal, made from the same material as the roof set up like cabin builder posted.
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Moontreeranch
Member
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# Posted: 29 Jan 2010 14:03
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What you are describing is called a Cricket, per the IRC building code any chimney 30" wide or greater needs one.. This is just for a stove pipe so should be easier to build...if you have a standing seam metal roof there are a number of nice snow "keepers" that bolt on to the standing portion of the roof..these will help with the sliding.
the rails work the best
http://www.metalroofsnowguards.com/SnoBar-Rail-System_c_21.html
for pipes
http://www.metalroofsnowguards.com/Vent-Snow-Guard_p_20.html
http://www.mbci.com/published_articles/mcnSnow_200510_final.pdf
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