Improve Bathroom Vent Ducting

Bathroom vent ducting should be free flowing, ideally with rigid ducts that go straight out, with vent flat on the outside, to stop wind blowing vapour back into the property. Typical problem can be crushed of leaking ducts, or ducts that don’t exit. Test the flow of air from the outside using an anemometer, or look for obstructions and check with an A4 piece of paper, the air should blow the paper about 45°.

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