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Joist Overhang

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  1. #1
    Apprentice (new member)
    Join Date
    Apr 2008

    Default Joist Overhang

    I am building a small deck (10sq/m) around a concrete slab. On one side I was going to place a bearer near the house foundations but have found some piping that cannot be moved. The bearer will need to be 550mm from house meaning a 500mm overhang of the 100x50 f17 joists, Section is 1500mm wide. Is this o/hang too much or should I use a ledger board to concrete block foundation. Had heard that using a ledger board can introduce moisture to foundations so was going to keep deck separated from house!

  2. #2
    Resigned SilentButDeadly's Avatar
    Join Date
    Sep 2006
    Not here...


    Bruister......you can possibly bolt 50mm x 2mm thick galvanised steel angle to the brick wall etc. to carry the joists rather than using a timber ledger.....
    Joined RF in 2006...Resigned in 2020.

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