Browse Forums Bathrooms and Laundry Re: Condensation in bathroom during shower 17Nov 12, 2012 9:58 pm Stewie D For horaldo, jazzyjess and others that want a bit more info, here is a booklet on Condensation in buildings put out by the Australian Institute of Architects http://www.google.com.au/url?q=http://w ... 71aRWaIfyw A lot of info and more than you really need but some very pertinent articles on insulation and dewpoint. Here is another article aimed more at the layperson but still informative. http://www.google.com.au/url?q=http://w ... ndDharJyrw I would also suggest horaldo, if not using the foil backed blanket then at least a perforated sarking under the roof. Stewie Thank you thank you thank you Stewie We get terrible condensation at our place in the wintertime And I have been looking for an answer to this for so long. This is the most useful information anyone has ever given. Planning to get my husband up on the roof on the weekend! (So not quite as much thanks from him I imagine) Given we are in cold climate it seems the answer is to improve the ventilation of the roof space and To vent the moisture sources directly outside (For us clothes dryer and bathroom). We previously got quotes to reroof and insulate and I now realise that the solutions they proposed would've made a problem worse! I need a 'cold roof' ie reflective foil layer (impermeable) on top of the ceiling, then bulk insulation, then just vapour permeable sarking (they had said blanket) under roof sheets. Will try the minimal option first and see if that does the job, Before reroofing Can't think the number of times I've googled this. to finally have an answer is so exciting! i would suggest nothing is unreasonable for PCI. we did all sorts, including checking the hot water, checking all the GPO's had power, testing that the showers were… 9 98689 Just to makea point about this, an approach that some people have found sucessful in negotiating these rises down, Is to provide some workings to the builder, specifying… 4 81724 The only thing to add to these comments is that where possible it's always good to try and work with people than just say "no" because you can. Having someone… 4 17149 |