- Joined
- 10 Dec 2010
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- 17
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Hi, I have been living in my property for approx 20 years and we have a constant problem with the one bedroom having a lot of condensation and being cold has one radiator in it which i now think may be under sized, anyway the room is 4m by 3m with a ceiling height of 2.2m the longest wall is south facing, but get very little sunlight in the winter due to next doors house being much taller it is end of terrace stone construction. also has 3 other external walls all of stone construction, i have removed the plasterboards off this wall a few days ago as was getting very smelly and mouldy one of the boards was quite wet with what i think is condensation one piece of timber was rotten and very wet. all the other timber battens along the wall are all sound the wall behind is painted black with what looks like bitumen. this wall seems to be dry has been left to air for a few days and i see no water ingress. i was hoping to insualte this wall and need some ideas.. access to this bedroo m is quite awkward and 2400 x 1200 boards are to awkward to get in whole. i was thinking of 2400 x 1200 30mm insulated boards directly bonded to the wall these will have to be cut in half to get them n the room or to use 2400 x 1200 22 mm boards screwed to the battens, with some additional battens added for extra strength. is it advisable to fill the spaces between the battends with polystyrene panels or kingspan. my main concern is getting the cut boards to all fit nice and flush as i will be painting or papering and not plastering due to the mess and recent new carpet to bedroom.. my only other option is 1800 x 900 boards as these can probably put up whole, but i nthen need to add some insulation in between the battens...please advise