Chimney liner in failing brick chimney - Options?

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Old 02-12-19, 07:25 PM
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Chimney liner in failing brick chimney - Options?

In the process of buying a new (old) house, and trying to figure out the best solution. The interior of the chimney is deteriorating a bit and needs an aluminum liner. That's the easy part.

While most of the chimney seems to be solid, the top section is leaning and probably should be taken down. I figure the standard solution would be to take down the chimney down to a foot or so below the roofline, then rebuilding it with brick. BUT, since I'm re-lining the chimney anyway, could the chimney just be taken down to whatever level that's solid, then the liner go up through the roof, maybe through a metal chimney tube? Then flash around the metal chimney?

Can the chimney be half-brick and half metal, if the liner is going all the way up anyway? Or is it a crazy idea?

FYI, the flat roof is going to likely need replacing anyway.
 
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Old 02-13-19, 05:04 AM
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Aluminum is not used for chimney liners or flues. It is too suseptible to corrosion from the exhaust gasses so galvanized steel or stainless steel is used.

Yes, your chimney does not have to be masonry all the way to the top. The liner will have to extend up high enough above the roof and any nearby openings to comply with code. Depending on how high that is the protruding portion might need bracing.
 
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Old 02-19-19, 03:50 AM
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There are companies that can reline chimneys with a poured type masonry lining that are compatible with any type stove, furnace or heating device. Just "GOOGLE" chimney reliners or Masonry chimney reliners and ask for information and pricing. Go Steelers
 
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