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Fitting Worktop into awkward shape

Discussion in 'Building' started by williamglossop, 13 Feb 2021.

  1. williamglossop

    williamglossop

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    Hi

    I need to fit a kitchen worktop into an awkward shaped 2 sided alcove with a boxed in waste stack in the back left corner.

    I am familiar with scribing, but I cant quite workout how to scribe a worktop into an alcove. I have attached a plan pic of what im trying to do. Can anyone offer any tips on how to scribe it to the two walls and also around the boxing in - assume none of the walls are that straight and not at 90 degrees......

    worktop.jpg
     
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  3. kingandy2nd

    kingandy2nd

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    I'd just use a bit of cardboard and cut to the shape, then use a template.

    Assuming you will have tiles, upstand or similar it doesn't have to be mm perfect. Even a bead of silicone will cover any small imperfections.
     
  4. johnny2007

    johnny2007

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    Are you having tiles, upstands or both?
     
  5. johnny2007

    johnny2007

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    In any case, use a long square on right edge against the wall (yellow line).
    Measure how much out the edge of the worktop is from right wall (yellow arrow) and mark it on your worktop.
    Measure twice, then cut.
    20210213_105259.jpg

    Now, with the left side.
    Measure yellow lines 1 and 2, subtract 5mm from these measurements and mark it on your worktop.
    Measure again and then cut.

    20210213_105354.jpg

    Now the pipe box.
    Measure yellow lines 1,2,3 and 4 one at the time, subtract 5mm and mark your worktop, one measurements at the time so not to get confused.
    Measure all again and then cut.

    20210213_105444.jpg

    If you've measured correctly your worktop will fit perfectly, leaving a 2.5mm gap right and left.

    If the long wall is bowed, you can chisel the plaster to get the worktop flush.
     

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    Last edited: 13 Feb 2021
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  6. johnny2007

    johnny2007

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    If the right wall goes in, so less than 90 degrees, you will need to measure the gap here:

    20210213_110637.jpg
     
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  8. kingandy2nd

    kingandy2nd

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    @johnny2007 obviously you go into a bit more detail than my explanation in respect of measurements, but personally I would do the cut you've suggested first as the very last one.

    My focus would be on getting a good fit into the corner with the waste pipe first to get that right. If the person buggers it up, then there the potential to start over on cut in a bit further on that edge... depending on how much worktop you've got spare on the right.

    If you cut the right hand side first, then you've only really got one shot at getting the left corner correct... and any major fluff-ups and your back needing to buy another worktop.
     
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  9. johnny2007

    johnny2007

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    Sorry, thinking with joiner's mind.
    You're right, cutting the left side first might be easier.
    However if one measures correctly, it shouldn't make any difference.
     
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  10. williamglossop

    williamglossop

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    Tiles
     
  11. williamglossop

    williamglossop

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    Thanks pal. That's a really good explanation.
     
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