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  1. E

    PIR Insulation over studs (not inbetween)?

    I suppose moist air could travel through the plasterboard, and then condense in the cavity which would be sealed in by the PIR foil-backed boards fixed to the back of the studs - but I did think by filling the space with wool might prevent this?
  2. E

    Dormer dwarf/stud wall insulation - confirmation/advice (with pics)

    Dis you ever get an answer? I'm planning to do something similar - adding PIR to the back of the studs will be much easier than cutting to fit between the studs!
  3. E

    PIR Insulation over studs (not inbetween)?

    A question about insulating stud walls. We have a room in the roof, and the eaves space is uninsulated. I have formed an opening into the eaves space (as was sealed off), and I am in the process of rolling mineral wool insulation in between and over the floor joints to insulate the ceiling to...
    • edoak
    • Thread
    • attic stud wall insulate behind wall insulating insulating loft insulation pir insulation board
    • Replies: 3
    • Forum: Floors, Stairs and Lofts
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