![]() The approach to dealing with this may be different depending on which scenario is seen in your home. In your home, the small cavity above the ceiling would get the brunt of this moisture, making quick evaporation impossible.įrom your submission it is not clear whether the rusting suspended ceiling bars are limited to the bathroom ceiling, or the entire basement. The results of this can often be more concentrated than with missing ventilation, as the moist air drawn from the bathroom fan is dumped into a smaller area. Most often it is caused by the lack of a working exhaust fan, but as in your case, it is sometimes due to an improper, damaged or disconnected duct coming from the fan. ![]() I have seen this issue many times in basement bathrooms which have been improperly or inadequately ventilated. It is unusual to get an inquiry like yours, where the solution to the problem has already been identified, and likely remediated. Unfortunately, replacement of the rusted T-bars in your suspended ceiling may be the only way to permanently prevent further corrosion and deterioration. Phillips.Īnswer: Identifying the exact cause of an issue that has caused damage or deterioration to a component in your basement is your first step to remediation. Short of replacing all the grids, is there anything than can be applied to them that would remove the rust? K. Now we have rust on most of the metal ceiling grids. Question: I made a big mistake, after finishing our basement, with not hooking up the bathroom ceiling fan. ![]() Rust on the grids of a drop ceiling is a recipe for disaster and requires remediation.
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