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Alaskajohn
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# Posted: 21 Aug 2022 14:23
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The wife got a little aggressive in cleaning the wood stove exhaust pipe where it leaves the wood stove. On close examination the exhaust pipe fitting was “customer made“ by the original homesteader and the wife bent it a bit when she removed it from the wood stove. I’ve tried fixing as best I can but there is up to a 1/8 inch gap in spots. In fitting this custom made exhaust pipe back onto the store bought exhaust pipe, there are a couple screw holes exposed now as I wasn’t able to get it to fit back on the way it was originally installed. I am sure it will be leaking smoke from these locations if not fixed.
Googling this issue shows caulking to be the typical repair method. Does anyone have tips on if there is a tape product made for this high temperature situation. I could certainly caulk it, but was wondering if there are viable alternatives or additional applications to caulking.
I will need to fire up the wood stove in the next week or so as low temps will likely be in the high 30s before the end of this week.
Any advice from knowledge folks on this would be appreciated.
Thanks
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gcrank1
Member
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# Posted: 21 Aug 2022 15:06
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Well, btdt....it fit better before, that means it can fit better now but more futzin with it. That is an extremely high heat area where you dont want gaps filled with putty or covered with tape. It would be like hose clamping a tin can on a car exhaust pipe; ie, it will maybe last just long enough for a trade in.
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Aklogcabin
Member
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# Posted: 22 Aug 2022 08:36
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Yeppers that time of year. I've used the chimney caulk for wood stoves and have had good luck, no problems.
Good luck n stay safe
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NorthRick
Member
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# Posted: 22 Aug 2022 13:15
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Quoting: gcrank1 It would be like hose clamping a tin can on a car exhaust pipe;
Hey! That was my poor college kid go-to repair method.
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Timpo
Member
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# Posted: 23 Aug 2022 08:13
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Can't go wrong with caulking it, works like a charm every time
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Alaskajohn
Member
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# Posted: 23 Aug 2022 08:36
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Thanks everyone. I take it something like this would be perfect, correct?
https://www.homedepot.com/p/Rutland-10-3-fl-oz-600-F-RTV-Silicone-Sealant-Red-Cartrid ge-76R/300981809
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Aklogcabin
Member
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# Posted: 24 Aug 2022 12:39
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Yeah I've used that stuff. A couple times. I was building a barrel stove for the workshop and had an open tube from a prior project. The stuff plugged up the end as usual and when I pulled harder on the caulk gun handle the hard plug on the end shot out and so did a big blob of liquid. Splattered up and got both eyes real bad.
Boy was my beautiful wife upset and the darn doctor backed her up because I made sure that I finished the job, took an hour or so, before I came into the house n asked for help. So be careful n wear some safety glasses. Kinda burns the eyes a bit . And laying on a table with your eyes pryed open with wire and a bottle of medicine dripped into them for an hour wasn't right at the top of all the fun. More like water boarding my eyeballs
But hey I finished the job first, couldn't just let the stuff harden up .
Good luck n have fun
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Alaskajohn
Member
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# Posted: 29 Aug 2022 08:12
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When I was in town I stopped off at a store that installed wood stoves and picked up a tube of Mill-Pac Black. It’s what they use on their installs. Specifically made for this purpose. Rated for 1050 F. Worked perfectly.
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