9 Jan 2020
Reaction score
United Kingdom
Hi all

looking for some advice.
We have a bathroom fan wall mounted and recently extended out bathroom. I upgraded the fan to cope with bigger room but my problem is where the room is extended in the centre where the support beam is is slightly lower than ceilings either side and where the shower is located moisture gets trapped. (see rough drawing attached).
bathroom extraction.jpg

My plan is to get a inline extractor in loft and to install two vents one above shower and one above bath and to get rid of wall fan.

My questions are would this be best vented out roof or soffit (tight but can access)
worrying about air being sucked back into loft also what duck lagging to use and using vent condensation traps has anyone installed or had experienced with any of the above.

Any advice would be great or other ideas regarding my situation.

Thanks in advance.
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