Helen888 Posted October 8, 2006 Share Posted October 8, 2006 I just wondered, I've some of that reflective insultation for my loft conversion but want tolayer it with some normal fibre glass insulation that i might as welluse up. I've been told that the silver stuff needs to go in first(closest to roof) with fibre glass next before plasterboard - is thiscorrect? Link to comment Share on other sites More sharing options...
legs_akimbo Posted October 8, 2006 Share Posted October 8, 2006 Personally I would not use any rockwool type insulation in the roof. Absolutely not for between rafter insulation, as it can get damp if it comes in contact with the underside of the roof or blocks through ventillation. To a lesser extent in an over rafter application, you may be ok if the between rafter insulation is correctly installed and this is merely to beef it up a little. Link to comment Share on other sites More sharing options...
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