New answers tagged exhaust-fan
Leaking air, or leaking water? If leaking air, either replace it if it's degraded, or try duct joint sealant (which stands a somewhat better chance of lasting than duct tape.) "Leaking" water - a bathroom exhaust vent needs to be heavily insulated all along its length, and should preferably run straight up, then turn and slope gently to the outside, so ...
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