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Joist holes for pipes

Discussion in 'Plumbing and Central Heating' started by diy_plumber, 5 Apr 2020.

  1. diy_plumber

    diy_plumber

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    Hi,

    I want to run two 3/4" pipes from a hot press in the landing (back of the house) to two radiators at the front of the house.

    I understand the joist holes should be made between 0.25 and 0.4 of the joist span.

    The joist spans differ along the route where the stairs are. How should I deal with this?.

    I've attached a photo to better explain. Hot press is on the left.



    Read more: https://www.diynot.com/diy/threads/joist-holes-for-pipes.542381/#ixzz6ImFhu1br
     

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  3. Madrab

    Madrab

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    You'd probably get away with notching the joists and run the 22mm (3/4") to the centre point of the hall and then spur off to each room in 15mm. That'll depend on where the supporting walls of the joists are of course.
     
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