Apartment’s mold smell linked to attic

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Dear Barry, We live in a six-unit apartment building, and the dryer exhaust ducts for all six of the laundry rooms blow into my attic. Every few months, the landlord's maintenance man goes into the attic to remove the lint that clogs the neighbor's dryer vents. He insists that this is not a problem, but I'm afraid it is causing the moldy smell in our apartment. What is your opinion of this situation? --Wendy Dear Wendy, It is not legal for a clothes dryer exhaust vent to terminate within the confines of a building, either in the foundation crawlspace or the attic. Section 504.3.1 of the Uniform Mechanical Code states that: "Moisture-exhaust ducts for domestic clothes dryers shall terminate on the outside of the building. ..." There are two reasons for this requirement: 1) Moisture condensation can promote the growth of fungus or mold; and 2) The accumulation of lint can pose a fire hazard. Therefore, someone should extend the dryer vents in your building through the nearest...