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  1. #1
    Join Date
    May 2010
    Posts
    17

    Default cutting granite countertop?

    I have I guess what could be called "Prefab" granite counter tops. They're 72" x 25" x 3/4" slabs with a finished front edge
    The cut will be hidden under the lip of an ikea farmhouse sink



    Do I dare try to cut this myself or should I take it over to a local granite place? I got a phone quote of ~$140 for the 2 unfinished cuts needed.

    I have a large angle grinder and circular saw. I've heard I could do this myself with either using the right blade. It sounds like DIY would be much cheaper but how hard is this to do? I could ruin the countertop with a bad cut. they were cheap slabs of granite but not that cheap.

  2. #2
    Join Date
    Aug 2007
    Posts
    7,039

    Default Re: cutting granite countertop?

    I don't see why you can't cut the hole out yourself with a diamond blade in your circular saw. Do it outside if possible, if not tent the area and ventilate it outside with a fan. Wear a good quality dust mask, ear and eye protection.
    I suffer from CDO ... Its like OCD, but in alphabetical order, LIKE IT SHOULD BE!!!

  3. #3
    Join Date
    Aug 2007
    Location
    The Great White North
    Posts
    4,045

    Default Re: cutting granite countertop?

    Check out this previous thread ---- especially what havannagranite has to say.
    Make note of the mention of using the core ( same one that will be used for the faucet holes ) bit ( 1-3/8 ) in the corners.

    You can use a common skilsaw with a diamond blade to plung cut the straight lines.

    http://advice.thisoldhouse.com/showthread.php?t=220
    "" an ounce of perception -- a pound of obscure "
    - Rush

  4. #4
    Join Date
    Jan 2010
    Location
    Northern Virginia
    Posts
    1,172

    Default Re: cutting granite countertop?

    Yeah, never cut inside corners square; use a hole saw or you will induce a stress riser-- the beginning of a crack. The curved inside corner spreads the stress rather than focusing it.
    S_M
    Remove not the ancient landmark, which your fathers have set.

  5. #5
    Join Date
    May 2010
    Posts
    17

    Default Re: cutting granite countertop?

    Thanks for the advice. Unless I get a much cheaper quote from another shop I'll risk cutting it myself.

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