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    Insulating between rafters - purlin detail

    I'm in the process of insulating between and under the rafters in an Victorian attic bedroom - decided to go with PIR due to the lack of rafters depth, and have finished the between rafters layer, so too late to switch tactic now to a breathable system. There is an exposed purlin, which...
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    PIV unit duct size

    Has anybody successfully fitted a PIV unit in a loft space and ran it on a reduced duct size? I am limited to the size of the ducting I can run to the ideal outlet point on the landing. 100 mm ducting would fit ok but I have noted the duct size the units comes with is 200mm. I guess the volume...
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    Identifying type of roof insulation

    Hi, Have been removing a lathe and plaster ceiling in an attic bedroom. Sampled the ceiling insulation before hand, no asbestos detected - this consists of rolls of mineral wool insulation. When I got to the sloping part of the ceiling the insulation changed to some sort of loose fill material...
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    Connecting into existing soil pipe

    Hi, I want to install an ensuite within my attic bedroom. The current soil pipe is shared with the neighbour on the left. My property is to the right of the ginnel. I am aware that the existing soil pipe is probably not fully compliant with regs as it has an offset in and the connections into it...
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    What is this stuff on cellar head ceiling and walls?

    Hi all, Recently moved house and wanting to spruce up the cellar head. One of the walls and ceiling is covered in some sort of hard crystally like substance. Does anyone know what this is? Wanting to check it's safe to scrape off. It is also over some electrical cables which seem to have had a...
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