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Opening a doorway to 1.4m in old stone wall - best practice?

Discussion in 'Building' started by Pallatrax, 25 Jan 2013.

  1. Pallatrax

    Pallatrax

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    Hi chaps,

    Go easy please, this is my first post!

    The load-bearing wall in question is rubble filled 450mm thick and made of blue lias n lime mortar, and approx 120 yrs old.

    It is the making good either side of the opening I am particularly interested in, as the wall, even when stitched drilled/cut would leave a rough, jagged edge to render etc.

    So, putting the propping and lintels (etc) aside, what would be the best practice for making good either side?

    If the wall was intentionally opened to leave a very jagged edge, and shuttered and concreted would this be acceptable - assuming rebar was used to tie each pour together in the stages of building up the side(s)?

    Thanks in advance

    Regards
    P
     
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  3. stuart45

    stuart45

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    I usually build up the jambs with brickwork, bonded as much as possible into the stonework. You often find that bricks were used for the quoins and frame opening jambs when originally built.
     
  4. Pallatrax

    Pallatrax

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    Hi, and thanks for your reply.

    The loose render revealed just stone, and no brick work.

    Interesting you'd use brick to build up the jambs.

    What is your opinion on shuttering and pouring concrete? I can borrow commercial shuttering and get hold of some rebar too...

    Assuming the concrete ran into several cavities in the wall and contained some reinforcing, it would be more than man enough?

    Cheers
    P
     
  5. stuart45

    stuart45

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    I'm sure it would do the job, although I've never seen it done like that.
     
  6. trowlerman

    trowlerman

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    yeah i would just brick up the jambs with commons aswell no need for conc and re bar :D
     
  7. limerockconstruction

    limerockconstruction

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    The reason we would usually use bricks is you can build a nice plumb jamb which to render or board into without to much hassle....concrete in stages with rebar sounds a lot of hassle, (commercial shuttering or not!).
     
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