Code for Dryer Venting: Part II

Discussion in 'HVAC Heating & Cooling' started by molo, Sep 21, 2009.

  1. molo

    molo Member

    Messages:
    853
    Location:
    cold new york
    I have a couple more questions regarding venting code on a gas dryer.

    1. Is there a clearance requirement for the 4" aluminum vent pipe as it goes through the exterior wall? Can it be in contact with wood?

    2. Can you put expanding foam in contact with the gas dryer vent pipe?
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