Recent content by cathneill

thank you so much. will tell builder all this incase he doesn't know. Didn't want to do something that would cause damp in the future. Cath

I am trying to insulate between rafters in my roof. There is no loft and at the moment there are slates, then sarking and then plasterboard. I want to remove the plasterboard and cut Kingspan to go between the rafters, then replace plasterboard. Do I have to use any waterproof membrane? or is it...