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OK thanks! Iwas sure that it git worse at my house it got worse after the insulation was installed but it might have been something else.

Hi there, I have some mold in my loft on the rafters. I'm currently sorting out the causes of the condensation so my question isn't to do with that. What should I treat the actual mold with? I have some basic mold spray but wondered if I shouldn't spray this at wood and if there was...

Hi there, I'm pretty sure I have a handle on the root cause of condensation in the loft (//www.diynot.com/forums/viewtopic.php?t=160032) But one thing that I seem to get different answers on is loft insulation - I'm talking about fibre glass based normal loft insulation that isn't...

Does it seem weird to anyone that I have low level ventilation but none higher up? Reading around it sounds like this is the issue. Thanks Matt

- the soffits are about 2ft I reckon. you can sort of see them here //www.diynot.com/forums/roofing-guttering/ventilation-tile.348522/

just as an update, the plumber who came around to quote for the extractor fan thinks that it'll be fine to go out the soffit - he says that by the time it gets outside it'll just dissipate. He says that its rare for bathroom fans to vent out the roof. It sort of makes sense, maybe going...

Hi all Still suffering from this. I've just had a plumber around to quote for fitting the bathroom extractor fan which I'm definitely going to do. When he went into the loft he suggested fitting celotex between the rafter in the roof on the north side. This should stop air hitting the felt...

wow - thanks for the advice. Definitely going out of the roof / wall than soffit. One last question, I have an old vent tile that the old boiler used to use so I'm thinking of using that rather than putting another hole in the roof. The issue is that it must be a good 10 feet from above the...

Thnaks, rjm2k - they are redland stonewold mk 2 tiles - I know this as someone kindly told me on another (semi related) thread //www.diynot.com/forums/roofing-guttering/ventilation-tile.348522/ It's interesting what you say about the electrics. Ideally, I think I'd actually like an...

@saladfingers and @johnD, Could you point to anywhere online that says that I don't need a qualified electrician to fit the fan in the loft? It would be good to see what the regs are. I'm getting a quote from my plumber to install the fan - he's happy to do the electrics but doesn't know...

Thanks again! I'll probably seek a local roofer so I don't end up with any accidents! Hope to get on top of this condensation issue, it's a right pain...

Thanks for that, you certainly sound like you know what you're talking about! I'm thinking that I might just vent the bathroom out of one of these and see if that helps with the problem. If I do have to add more ventilation do you have any idea how many I'd need to have (I'm getting...

Hi there, I need to get ventilation tiles for more ventilation in my loft. I'm also considering an extractor fan in the bathroom that will vent out the roof. Could someone point me in the right direction after looking at the photo below? (you should be able to click on it to enlarge it...

Thanks for the advice Steve - I had issues with condensation in my attic last year. I had someone round to inspect the attic and make sure that the insulation was pulled back from the edges of the loft. They said it was and also noted that the main condensation was nearer the top of the...

Oh and "noddy997" - I'm no expert on this but I did have trouble with condensation in my attic last winter so I'd say that adding any more moist air directly into the attic is just asking for trouble.

thanks again for the advice JohnD. Does anyone see a problem with venting out of a soffit. Getting a roofer in to put a hole in roof is a bit expensive. I am end of terrace but the outside wall is directly next to someones garden so after a 12ft journey from fan to outside, I'm guessing...

Thanks JohnD - its you who has helped me out in the past so thanks again! Excellent advice about the regs as that was confusing! I'm going to ask a stupid question here. What stops water from going back down a fan if the fan vents vertically out of the roof or even if it goes up into the...

Reading around it sounds as though venting through the soffits could cause the water to back through soffit or roof vents. This sounds sensible to me but going through the roof would need a professional. Also it sounds as though the electrics would be "part b" so need a qualified electrician...

Hi all I'm thinking of adding some soffit vents something like this: http://www.screwfix.com/p/circular-soffit-vent-white-pack-of-10/68936 Is there a reommended amount of vents that should go in? Is this a DIY job? Again, much appreciated Matt

Hi there I'm planning on installing a bathroom fan. Does anyone have any advice? I don't really want to cut my window and the external wall is pretty much all window. I think I'll go into the ceiling and then along a bit and out of the soffit. My specific questions are: Are ther any...