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  • I got this on a no VAT special offer https://www.selcobw.com/general-purpose-plywood-2440-x-1220mm?thickness=59008

    There were something like 5 cuts free.

    The size is a bit of a fucker isn't it? As you're just outside of any way to get two pieces from one sheet. Then 25mm gets pricier. I wonder if just doubling up front and back with 15cm strips front and back from the offcuts rather than doubling the whole thing up would be sufficient. That's why I asked what sort of use it'd see.

    Have you had a look on that discount kitchen worktop site that lots of people on here use?

  • Yeah, it’s just a bit too long to use one sheet and double up. I got a sheet of 18mm marine ply in the end at a good price, and I think I will be doubling up with 10cm off cut strips on all sides.
    Use a router to trim it up, and add a small round over or chamfer.

    What’s the recommended finish to waterproof it?

  • Smith’s Clear Penetrating Epoxy Sealer or similar will actually waterproof it, then ‘hot coat’ before the exposy is fully cured with a single part UV resistant varnish.

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