Running pipe INSIDE floorboard?

Discussion in 'Plumbing and Central Heating' started by phloaw, 21 May 2021.

  1. phloaw

    phloaw

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    I need to run central heating pipe horizontally under the floorboards of an upper floor. I need to go through only one 75mm wide beam, but I'm wary of boring or notching it, also because that would be quite close to the wall bearing the beam.

    So I thought of running an 8mm or 10mm pipe immediately over the beam, by digging a ditch on the lower face of the 18mm floorboard resting on the beam, to accommodate the pipe.

    I wanted to know if this makes sense, and how to prevent possible problems such as noises and pipe wear (on the long run). Also: plastic or copper pipe?

    Thanks!
     
    Last edited: 21 May 2021
  2. Madrab

    Madrab

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    Nope, don't attempt it. It would end up being too tight and the floor board would be compromised and flex more at at that point. You can notch the joist as close as 0.07 of the joist span to the load bearing point.
     
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  4. Bouy

    Bouy

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    never mind the width whats the depth
     
  5. phloaw

    phloaw

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    Hi! The depth is 200mm, the span is about 7 metres, and the pipe would run roughly 1.30 metres from the beam's end.
     
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  7. Gasguru

    Gasguru

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    Just google image joist notching but make sure you're looking at UK regs.
     
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