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    Floor construction

    part of of large development- yep The floor definitely isnt solid- when you jump up and down or hit it with something solid, it sounds like its not solid and doesnt feel so. I cant lift the carpet anywhere, its well fixed down or tiled. sorry. Yes airbricks at certain points outside i...
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    Floor construction

    Hi All, would like a bit of advice, but appreciate its not easy for anyone to say as they dont know my house! I have a modern house, built in 2002-ish. I need to secure an anchor point with 10mm expanding bolts. I wonder if anyone can tell me (guess?) what the ground floor is likely...
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    Amateur plumbing issue... Check valve>isolation valve?

    ok cheers :D i actually bought tails with 'isolation valves' in them in the end so i have two such valves close to each other, hence i wasnt too worried at losing the isolation valves if i had to swap them out. The extra expenditure and effort to redo everything would be a different...
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    Amateur plumbing issue... Check valve>isolation valve?

    good, good, thats starting to sound like what i want to hear :) now, the only other thing is, would it make the shower any colder (ie by cold water going down the hot pipe)? Its the missus shower you see and she will kill me if she gets cold....... :twisted:
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    Amateur plumbing issue... Check valve>isolation valve?

    sorry, thought i said that- yes it has a mixer tap, so i guess that water can go (say) from the cold system back up the hot pipe if the water pressure is that different i assume?
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    Amateur plumbing issue... Check valve>isolation valve?

    But do i need to swap them out? :?
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    Amateur plumbing issue... Check valve>isolation valve?

    OK, so at the end of last week i decided to change the bath taps (something i have been meaning to do for ages). Being a rank amateur, i tried to 'turn off the isolator valve' resulting in the screw breaking off and a small leak developing..... No problem i thought, i'll just fit a couple of...
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