Page 3 of the Bathroom Fans And Moisture archive. Return to page one for the full tag description.
For a causes-and-fixes approach, inspect the exact component, look for movement, gaps, moisture or wear, and make the smallest reversible adjustment before buying parts. The goal is to confirm the next decision for bathroom.
For this “what to check first” angle, inspect the exact component, look for movement, gaps, moisture or wear, and make the smallest reversible adjustment before buying parts. The goal is to confirm the next decision.
Winter dripping is often condensation forming inside a cold duct. Check whether the duct is insulated, slopes toward the exterior where appropriate and terminates outside with a working damper rather than dumping moisture.