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lburners
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# Posted: 2 Nov 2020 08:48pm
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Whats the deal with the Silicone chimney boots? I see a lot of videos where they are attaching them straight to the double wall pipe coming out of the roof. It seems kinda sketchy. Just doing some pre-planning.
https://www.menards.com/main/building-materials/pole-barn-post-frame-materials/pole-b arn-post-frame-tools-accessories/7-high-temp-boot/1554338/p-1444448490414.htm
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lburners
Member
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# Posted: 2 Nov 2020 09:05pm
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I guess according to this article its ok. Anyone here running one.
https://www.tinywoodstove.com/pipe-boots-for-wood-stove-installation/
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ICC
Member
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# Posted: 2 Nov 2020 09:08pm - Edited by: ICC
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Quoting: lburners attaching them straight to the double wall pipe
If the double wall pipe you refer to is Class A approved chimney pipe, the silicone boots are superb. We used them since 2005 or so. They are the easiest thing to use on a ribbed metal roof. We used those boots for all sizes of roof perforations; vents and electric service masts too. There are also grey, non-super heated, ones available for std. vents, etc.
I myself have one on the house wood stove insulated chimney, the shop stoves and the hunt/fish cabin wood stove chimney.
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Ontario lakeside
Member
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# Posted: 2 Nov 2020 09:12pm
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We have one on our double walled stove pipe, works great.
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lburners
Member
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# Posted: 2 Nov 2020 09:19pm
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Thank you I guess that answers my question.
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Brettny
Member
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# Posted: 3 Nov 2020 05:17am
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I think we are getting terms confused. There is actualy a double wall pipe made with no insulation and is designed for interior use to reduce the clearance to combustibles. Triple wall or class A is what insulated pipe you normaly see is.
What I'm seeing connected to that boot in the second link is actualy tripple/class A pipe. Silicone boots are made for that.
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lburners
Member
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# Posted: 3 Nov 2020 09:15am
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I was thinking of this.
https://www.lowes.com/pd/SuperVent-36-in-L-x-6-in-dia-Stainless-Steel-Insulated-Doubl e-Wall-Stainless-Chimney-Pipe/3134409
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Brettny
Member
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# Posted: 3 Nov 2020 11:14am
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That pipe with that high temp boot should be fine. When screwing the boot down to the roof make sure you have wood under the whole area and use a flashing cement. Snow splitter would be good to, it also helps keep the rain off of the boot to roof joint.
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lburners
Member
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# Posted: 3 Nov 2020 11:47am
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As always thanks Brett.
Its a little down the road but I am taking notes. Hope to share my project when I have some more progress.
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zorro
Member
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# Posted: 3 Nov 2020 01:19pm - Edited by: zorro
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And here is a picture of these rubber boots in use
To confirm - that is a triple wall external pipe, sprayed with black high heat paint and it works perfectly
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AKfisher
Member
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# Posted: 3 Nov 2020 03:02pm
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Here is my Class3 insulated pipe through ceiling, this is the only rubber boot I could find, kind of small for a 6" pipe on a 12:12 pitch. But it works. I have been meaning to get up there and spray paint the boot black or green, the orange is terrible looking.
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Aklogcabin
Member
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# Posted: 4 Nov 2020 11:51am
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Wow fisher I’m surprised you have a chimney. I know because they stack on my roof got pulled over , again. On our home. And it’s only 5’ from the ridge. Metal bestus brand triple wall stainless steel. Metal roof 12/5 pitch. The ice n snow freeze around it and when it slides it takes it off. The roof is about 30’ long so I guess that’s just a lot of weight when it gets over a foot of compacted snow on the roof. I’m thinking I just need to put up snow brakes n not let it slide.
It is the stack for our central heating system a fuel oil forced air furnace. We haven’t used it since we put our pellet stove in and have a toyo in the upstairs level. We have 3 separate heating sources in our home. My job can take me away for months at a time so I can’t take chances. Near ten below this morning.
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AKfisher
Member
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# Posted: 4 Nov 2020 03:46pm - Edited by: AKfisher
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Quoting: Aklogcabin I’m surprised you have a chimney.
I installed a snow brake and pipe holder. It does a good job of keep the snow from taking the pipe out. I would have rather installed a cricket but didn't want to drill through the tin, I have standing seam roof. The snow brake is clamped to the standing seam ridges. We got a few more feet of snow and I went up on the ladder and shoveled the snow off around the pipe. I don't seeing having to do that very often.
https://snoblox-snojax.com/products/model-12-16-standing-seam-ventsaver-mount-plate.h tml?sku=SSVS-12-16-KIT&gclid=CjwKCAiAv4n9BRA9EiwA30WND9UccdNkd6TGjtP-V5QDz7jSxc8y4VkZ awAiF72i-Cp40JQ71DXawBoCsIQQAvD_BwE
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Brettny
Member
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# Posted: 4 Nov 2020 03:52pm
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I have seen commercial standing seam ladders dangling off the eve on a local fire house and we dont get major snow like you I'm sure.
I have also seen the glue on ones not even last one winter. It was a double row of glue on and not one survived the winter.
Some broke off some the glue let go. None of these where over 6/12 pitch.
I think the splitter with proper support is the way to go...along with having the chimney come out as high as possible on the roof.
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