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cavity fill

  1. A

    Cavity opening after removing doors

    I’m hoping someone can help or offer advice. We have recently had an extension built on the back of our house (1940s). French doors were removed to open it up to the extension (they used to lead to outside). When the old doors were removed to reveal the cavity, concrete had been used to fill...
    • Adamski80
    • Thread
    • brickwork building cavity closer cavity fill cavity gap floor construction
    • Replies: 4
    • Forum: Building
  2. P

    What to fill the cavity with

    We've just replaced a small extension back of our house. The brickwork comes up around 2.6ft before the inside floor level, obviously needing steps outside. Should you still fill the cavity just below DPC?. Should the inside brickwork be lower to allow us to bring up the underfloor insulation in...
    • plugy
    • Thread
    • bridging the cavity cavity fill underfloor insulation
    • Replies: 1
    • Forum: Building
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