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Chimney flue lining

ralman
ralman Member Posts: 231
in THE MAIN WALL
I am finishing my second winter in this hydronic heated house. Both winters I had combustion analysis done and the tech says I have low draft. This year I remembered Following a thread about the dangers of carbon monoxide and failed flue linings. I remembered reading a thread about strange things found in flue passages. I started wondering if my low draft problem was actually a flue problem. I scheduled an inspection from a chimney pro. Turns out my flue is in very poor condition and is poorly designed according to the pro due to a 14 foot section running horizontal(slightly pitched upward) in the attic. I just wanted to thank everyone who posts here for the help they provide. Thanks!

Comments

  • Gene_3
    Gene_3 Member Posts: 289
    why do people do things like that???

    chimneys should never do that, straight up is best, I have seen that though, goes up into the attic and then turns and angles over, that can become full too because the debris will not fall to the bottom, good call on your part to follow through.
  • Empire_2
    Empire_2 Member Posts: 2,340
    Gene is correct

    Lateral venting anywhere should be either eliminated or kept at or less than 1.5 feet X diameter of main stack. I know sometimes general contractors say that's where we want it and that's final. My Q: would be, do you want it to work? or not? A higher chimney or stack will increase your draft and a horizontal run (even pitched) will kill the draft often resulting in poor drafting that you are seeing. If anything, run the stack straight up and in the basement you can get away with some horizontal runs as long as it's not too excessive in length.

    Mike T.
  • Kniggit_3
    Kniggit_3 Member Posts: 2
    Realitors? Builders? Archetects?

    almost every new house we install in has the Mechanical room in the front half of the house, if not directly under the front door. Any time you put a roof penetration on the front (read visible) side of the house the builder bad mouths you and complains that you are lowering the value due to ugly work, they you reply with the standard, either buy 90% equipment or hire a better archetect then he fires back with the I payed $XXXX.XX for this plan it has to be great, and there is no way I can recover the added cost of an expensive furnace, or water heater when I sell the house.
    I sure am glad I don't deal with that builder any more.

    I guess to sum it up, the reason some Installers do that, is because they want to keep a builder off their back, and the american public does not want to give room to the utilities that keep them comfortable.
  • ralman
    ralman Member Posts: 231
    Thanks. This is good information.

    My home is a 55 years old so I guess it can be a problem with older and newer construction. This is definitely good info when I build or buy another home.
  • Brian_18
    Brian_18 Member Posts: 94
    Don't Building Codes Apply Here???

    Novice question, but don't stupidly done things that affect the safety of the home owner fall under some building code?
  • Gene_3
    Gene_3 Member Posts: 289
    oh man

    you know inspectors, some are great others are out to lunch

    every home built today must have fresh air not only for the occupants but for all appliances including the fireplace according to code

    I don't see many

    I've seen building inspectors demand the cellar be insulated and wrapped in plasctic but the house is crooked and may fall down or is wired wrong
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