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Thread: Attic Rain - Recommend me a contractor

  1. #21
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    The ducting likely needs to be replaced and properly sealed around fan and outlet vent. The expanding sealant they used at our house came in two canisters that had to be combined, not just the foam in a can stuff. I'm not sure what it was specifically, looked to be pressured canisters essentially mini-propane tanks.

    Edit: Surprisingly easy to find. He wasn't kidding it's expensive!

    https://www.canadiantire.ca/en/pdp/f...-0642693p.html
    Ultracrepidarian

  2. #22
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    Quote Originally Posted by msommers View Post
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    The ducting likely needs to be replaced and properly sealed around fan and outlet vent. The expanding sealant they used at our house came in two canisters that had to be combined, not just the foam in a can stuff. I'm not sure what it was specifically, looked to be pressured canisters essentially mini-propane tanks.

    Edit: Surprisingly easy to find. He wasn't kidding it's expensive!

    https://www.canadiantire.ca/en/pdp/f...-0642693p.html
    Whoa! Hang on!
    That kit does about 200 sq-ft of wall at 4" thickness. That's not what a guy needs to run a bead around a bathroom fan duct.

    There should be an industrial grade of Mono Foam in a tube that is CLOSED CELL for like $20 somewhere.

  3. #23
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    Fair point. That's just what the Attic Rain guys used at our place.
    Ultracrepidarian

  4. #24
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    If your exhaust vent drips after your wife's hit shower, the problem may just be that you don't run the fan long enough afterwards.
    Make her leave the bathroom door open, and leave the fan running 60 minutes after she gets out, bet that helps.

  5. #25
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    Ours did that and it turned out our fresh air intake for the furnace was clogged. This ended up pulling a vaccuum which would suck air in from the exhaust fan and cause ice/condensation build up that would then thaw and drip when the fan was run. $0 fix.
    Tap, Rack, BANG!

  6. #26
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    Quote Originally Posted by ExtraSlow View Post
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    If your exhaust vent drips after your wife's hit shower, the problem may just be that you don't run the fan long enough afterwards.
    Make her leave the bathroom door open, and leave the fan running 60 minutes after she gets out, bet that helps.
    I've installed timer switches on all our bathroom fans, so much easier to let things run long enough!

    https://www.canadiantire.ca/en/pdp/l...w.ds#store=334
    Ultracrepidarian

  7. #27
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    I installed that one in the half bath, but this one for the full baths.
    Auto on/off based on humidity.
    https://www.homedepot.ca/product/lev...rol/1000804492

  8. #28
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    Quote Originally Posted by phreezee View Post
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    I installed that one in the half bath, but this one for the full baths.
    Auto on/off based on humidity.
    https://www.homedepot.ca/product/lev...rol/1000804492
    I have a similar one in my basement bathroom. I think I got it from Costco.

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