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  1. S

    vapour check membrane

    Hi just wondered about the purpose of the vapour check membrane. am i right in thinking it is to prevent moisture from migrating from the room to the underside of the felt?? i am creating a room in the loft. already have the insulation fitted between the rafters and 50mm ventilation...
  2. S

    condensation under roofing felt

    cheers guys for replies if santa does do roofs for christmas can u send him my direction please :) havent physically checked vents to see if there blocked but i doubt if they could be blocked the whole way along the eaves and ridge. as for wet mortar or plaster its over a year since...
  3. S

    condensation under roofing felt

    Cheers potatojunkie for the reply and the link. some good information here but as far as i can see i have complied with what the regs and this document say. so just wondereing is there any thing else i can do or is this normal is your problem the same and have you cured it thanks.
  4. S

    condensation under roofing felt

    Hi, hope someone can help I am just in the process of building a bungalow with rooms in the loft. I have just finished putting in insulation between the rafters and am about to get ready to put the plaster board up BUT i have noticed that i have condensation on the underside of the roofing...
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