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    Taps - spline tooth count and diameter

    I recently bought a couple of ceramic tap cartridges for my basin taps - went for type "CC2". Although I was careful to get most measurements correct, I didn't notice that the spline section is a larger diameter than before - gone from a 20-spline 7.6mm to 20-spline 8.8mm, so of course my lever...
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    Between-floor insulation - quick and easy method?

    In order to fit some pipes and cables in my house, I've lifted some of the floorboards upstairs. The boards are T&G chipboard, below there is an 8" gap then the plasterboard of the downstairs ceiling, with no insulation between. I've only lifted one strip of board, from the front to the...
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    Unusual solid floor - information sought!

    I've just rolled back the edge of the carpet for the first time on the solid ground floor of my 1970's house and am slightly baffled by what I've found. On top of the black plasticky damp proof layer are wafer-thin (about 2mm), brittle grey-coloured tiles. They have very fine gaps between...
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