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    hanging new joists in brick walls

    Builders

    I'm renovating a property and the floor joists need to be raised up 2 feet on 2 floors. The room is 3m x 5m and is brick built. What is the correct way to hang joists in a room that has already been built? Do i bolt timber on the wall then joist hangers off that or do i get joist hangers that can be attached to the brickwork? Building control will be coming to see it so i want to make sure it's correct.

    Thank you.

    Asked by duncan on 14th Jul 2022
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    Best Answer

    Allen construction

    "The easiest way is like you said bolt a timber to the wall ,Use some resin when bolting into the wall to comply with building regulations a tube does 2/3 bolts ,You have to twist nail pretty much every hole in the joist hanger-Personally I do this off the work bench come 50mm off the edge of joist plate then 400 centres making sure the timber fits to the bottom of the hanger,Alternatively you can cut the joist into the wall and muck them in but this is alot more time consuming."

    Answered on 15th Jul 2022 - Member since Nov 2018 - report
    The Little Roofing and Property Maintenance Company

    "Hi your best to knock holes in wall were joints are going in put some dpc around end of timbers and mortar them in that’s the way we would do it it’s more work but worth it as safety in most in important doing jobs like that hope this helps your out"

    Answered on 14th Jul 2022 - Member since Jun 2021 - report
    M.G.M.P construction ltd

    "Hello best way to bolt and use hangers which you fix to brick wall"

    Answered on 6th Aug 2022 - Member since Mar 2020 - report
    Bandm builders

    "If building control came they will say the have got to be cut into thewall"

    Answered on 15th Jul 2022 - Member since Feb 2018 - report
    Acorn Joinery

    "Either way, you can buy hangers that fit into the joint in the brickwork but I know someone who has seen this method fail after the floor was loaded with blocks ready for the next lift of brickwork.
    I would personally fit the joist hangers to the wall plate (the timber that's going to be bolted to the wall) first then use either bolts or concrete screws twin- fixed at 600mm centers.
    BC will want to see all the holes in the hangers used for fixing, you can use twist nails or screws."

    Answered on 20th Jul 2022 - Member since Apr 2022 - report

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