I was wondering that too Noseall. Do you think I could I use something like this?
http://www.absealants.co.uk/product_34-5-34_Bondseal-Expanding-Polyurethane-Foam-500ml.htm
Hi
I live in a 70’s bungalow and the living room has a 3’ square bay window which has a flat roof. Last year we had cavity wall insulation installed and now we are decorating the lounge we are concerned that a great deal of heat will escape via the flat roof. I realise probably the best...