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Notch, drill (or something else)

  • 10-03-2008 6:04pm
    #1
    John mac
    Registered Users, Registered Users 2 Posts: 5,140 ✭✭✭


    I need to run a pipe across a new floor ( upstairs extension).
    Do I
    A. drill the joists
    B. take a notch out of the top of them
    C. Something else?

    its a 3/4" Hydrodare (cold feed for the cylinder)
    Thanks in advance
    J


Comments

  • #2
    Jimbo
    Closed Accounts Posts: 2,379 ✭✭✭Jimbo


    Drilling in the middle of the joist (central axis) is probably the best option. Do you know how deep the joists are? span?


  • #3
    John mac
    Registered Users, Registered Users 2 Posts: 5,140 ✭✭✭John mac


    about 250 thick and a span of 4500ish


  • #4
    Jimbo
    Closed Accounts Posts: 2,379 ✭✭✭Jimbo


    Can't see any problem there.
    Keep 300mm+ away from the end if possible also


  • #5
    smashey
    Registered Users, Registered Users 2 Posts: 21,676 ✭✭✭✭smashey


    Moved to DIY.


  • #6
    carpainter
    Closed Accounts Posts: 148 ✭✭carpainter


    The diameter of the hole should not exceed 1/8th of the joist depth.


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  • #7
    tech head
    Closed Accounts Posts: 5 ✭tech head


    drill the joists its your best bet ,and it a nuch better job than cutting out a notch


  • #8
    John mac
    Registered Users, Registered Users 2 Posts: 5,140 ✭✭✭John mac


    thanks for that.:D
    now need to get a drill to fit between the joists.


  • #9
    ircoha
    Closed Accounts Posts: 2,290 ✭✭✭ircoha


    rent an angle drill [ heavy duty] with an 1" timber auger bit U u will appreciate the comfort and speed


  • #10
    John mac
    Registered Users, Registered Users 2 Posts: 5,140 ✭✭✭John mac


    rent an angle drill [ heavy duty] with an 1" timber auger bit U u will appreciate the comfort and speed


    thats what i had planned


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