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Insulation for extension flat roof

  • 24-03-2023 7:55pm
    Registered Users Posts: 5,963 ✭✭✭

    Renovating a house and got a new roof put on all three extensions. New joists ply wood and two layers of felt. Just wondering what insulation to put in between the joists? Our slabber recommended Metac but it is just too expensive and out of our price range.

    No pictures so just a couple of screenshot from a video to show what it's like.