Foundation shuttering

Discussion in 'Builders' Talk' started by Geoffsatch, Aug 9, 2018 at 4:50 PM.

  1. Geoffsatch

    Geoffsatch New Member

    have had some foundations dug for garage 800 deep and 600 wide. They are getting to 800 on the top and some of the corners a bit crumbly so 900 or so there.. If I shutter the corners with ply down to depth I probably won’t get it out again. Does that matter? Don’t want to spend a fortune on concrete!
     
  2. DIY womble

    DIY womble Active Member

    I'm not sure but at least your question will go to the top of the list to catch someone's eye.......as it's only a garage I would have thought it OK ,cheers
     
  3. stevie22

    stevie22 Active Member

    600 wide especially for garage. Ply will be fine to leave in, but if you shove some polythene sheet down over the face of it it will come out ok and you have some shelves.
     
  4. stuart44

    stuart44 Active Member

    How far below DPC are you setting the concrete level?
     
  5. Geoffsatch

    Geoffsatch New Member

    450 mm, so 300 to ground and 150 above
     
  6. Isitreally

    Isitreally Well-Known Member

    By the time you've messed about buying and cutting ply you might just as well get it filled with concrete.

    Do it A.S.A.P before the trench gets even bigger.
     
  7. stuart44

    stuart44 Active Member

    It's probably a bit smaller 300mm down, so as the post above it is probably easier to just get the concrete in.
     
  8. ginger tuffs

    ginger tuffs Member

    how can a 800mm deep footing being only 300mm down
     
  9. Isitreally

    Isitreally Well-Known Member


    I think he meant the concrete would finish 300mm down.
     
  10. ginger tuffs

    ginger tuffs Member

    so what footing is 500mm above ground level
     
  11. stuart44

    stuart44 Active Member

    The trench is 800mm deep.
    500mm concrete leaves 300mm to ground level another 150mm to DPC.
    From top of concrete to DPC is 450mm which is 2 block courses or 6 brick.
    He could drop the concrete level down if needed .
     
  12. Geoffsatch

    Geoffsatch New Member

    Question above was how far below dpc. Dpc is 150 above ground level, Or 2 courses. There are then four courses below ground level or 300. So top of trench concrete is 450 below dpc. With 700 trench fill that makes trench 1000 below original ground level. Will go with all concrete as suggested. Thanks all
     

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