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  1. R

    Ceiling removed, roof insulation discoloured. Worry?

    Thanks for the welcome AP :) If the roof is sweating, then cold bridging is taking place. If that's the case, the pavaroof insulation boards aren't doing their job properly. This is obviously all theoretical and should be inspected externally to confirm the size of the insulation complies...
  2. R

    Ceiling removed, roof insulation discoloured. Worry?

    Hi Autopoiesis, It looks like a case of roof sweat. Here is an explanation of cold roofs versus warm roofs. It looks like the loft was converted (?), the house previously having a cold roof - and the builders didn't insulate enough to make a "warm roof" or vent the roof when converting the...
  3. R

    We're a rescue team, not assassins

    We're a rescue team, not assassins
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