im installing a fan over a shower through the loft but the eaves on my house are dropped eaves so i cant get the ducting down to the eaves and through a vent ,is it possible to just leave the duct loose lowered down to the eaves and let the extractor fan vent through the gaps in the eaves or have i got to try and mount it on the eaves .
venting bathroom extractor fan
- Thread starter malo
- Start date
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The duct must go to outside. Venting air from your bathroom into your loft will likely cause condensation causing your roof timbers to rot. It is unlikely that warn air (which rises) would find its way out on its own.
Building regs have greatly increased the requirement for roof ventilation under normal circumstances in recent years to prevent condensation, add warm damp air and you will be asking for problems.
Is there not a gable end you could fit a grille to? or failing that try this through the roof vent.
www.diynot.com/shop/110mm_Angled_Through_Roof_Vent_Kit/20388
Building regs have greatly increased the requirement for roof ventilation under normal circumstances in recent years to prevent condensation, add warm damp air and you will be asking for problems.
Is there not a gable end you could fit a grille to? or failing that try this through the roof vent.
www.diynot.com/shop/110mm_Angled_Through_Roof_Vent_Kit/20388
malo said:
I had this problem. The solution is to feed the flexible duct up through the soffit from the outside. It makes the whole thing a lot easier.
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You might think about putting a hole through the wall. You can hire a 105mm core drill that will go through with ease (bit dusty though) which you then line with a bit of soil pipe, and pack round the ends with mortar.
When I hired one I drilled for the kitchen extractor, the bathroom, and the tumbledrier in one afternoon, to get the max use out of it. I's infinitely better than trying to go through a wall with hammer and chisel.
When I hired one I drilled for the kitchen extractor, the bathroom, and the tumbledrier in one afternoon, to get the max use out of it. I's infinitely better than trying to go through a wall with hammer and chisel.
malo said:
I have a similar problem (I live in a mid-terrace so no gable end). One solution as suggested is to use a roof vent kit.
However, I do have a chimney that has been taken out upto roof space level (all required steel supports in place), could a ducting be taken up the chimney and bathroom extractor vented out the top?
Is it likely that the steam would condense on the way up and water run back down?
Soffit gets my vote ......... 
Could always not have a fan
Could always connect it later .......... ya know 2014 or summink
If your really careful you can do a thro roof vent, without actually goin' on the roof
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