Masha
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We've had this problem since our house was built. I've only recently taken to wondering about this, having bigger problems to worry about!
All our bathroom exhasut vents make and odd knocking noise at the slightest breeze outside. (The fan could be on or off, doesnt make a difference). It sounds as if something is swaying around at the top of or inside the vent, causing the sound. What could be causing this? How can it be fixed? It is starting to get really annoying!
All our bathroom exhasut vents make and odd knocking noise at the slightest breeze outside. (The fan could be on or off, doesnt make a difference). It sounds as if something is swaying around at the top of or inside the vent, causing the sound. What could be causing this? How can it be fixed? It is starting to get really annoying!