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    Threading plastic pipes through under a suspended floor

    I wanted to try and get some advice on the best way to pass 15mm plastic pipes through under floorboards. I have plumbed in two manifolds - upstairs & downstairs and need to connect 5 rads to each one. The manifolds are central in the house and most pipe runs will be about 3m upstairs and...
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    Is 1920s roof underlay breathable?

    Hello, I am looking into insulating a pitched roof in a house built around 1915 - 1920. The roof is in good conditon and water tight with tiles, batons, underlay, board then rafters. No signs of leaks and no damp or rotten boards. The underlay is about 5mm thick and made of a fine straw or...
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