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Thread: Attach faucet directly to granite counter?

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  1. #1

    Default Attach faucet directly to granite counter?

    I have what I'm sure is a basic question, but I haven't been able to find a reference in previous posts.

    My single-hole faucet has become loose underneath my granite counter. Apparently, water has been getting in through the hole the past year and has left the wood underneath (plywood?) rotted and nasty and probably contracted.

    When I mentioned it to a friend that was over, he suggested drilling a hole into the wood about a half inch larger than the faucet. He said that attaching the faucet to the granite was the way to go and that the guy who installed it was probably lazy.

    So are all properly-installed faucets tightened directly to the granite? Are there any things I should watch out for, like over-tightening?

    Thanks.

  2. #2
    Forum Admin, Expert Plumber Terry's Avatar
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    I prefer mounting the faucets to granite, and not to the wood.

    Wood compresses.

    It would be nice, if whoever is cutting the faucet holes in the granite, also precut the wood a bit bigger for the plumber.

    It's hard to tell someone how tight to put things.

    It's a feel thing.

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    Plumber jimbo's Avatar
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    This is a very common "trouble" area. For some reason, the kitchen design contractor and the granite people like to keep their head in the sand, or some where else I won't mention, and bring in someone at the last minute to install a faucet and have not given any previous consideration to the install issues such as you mentioned.


    The even worse situation is the homeowner who is buying fixtures on his own. He spends a fortune on a nice marble or granite kitchen or lav. Then goes to HD the night before he has someone coming in to install the faucet. He buys one off the shelf, not realizing that he really needed to order a long shank model, with 4 weeks lead time. Then doesn't understand why the plumber can't install his little beauty!

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    Forum Admin, Expert Plumber Terry's Avatar
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    Jimbo is right,
    You can get the long shank models, or even extensions for some faucets.

    Most extensions arrive in a few days.
    But yes, it's another trip for the plumber, and time for the phone call as well.
    Did I say "TIME"?

    It all adds up.

  5. #5
    DIY Senior Member sulconst2's Avatar
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    wondering why there would be plywood under granite. if this is a kitchen then the granite should have been installed directly on the cabinets. if you have a blind corner then bracing is used to support the counter. unless this is granite tile?

  6. #6
    Retired Defense Industry Engineer jadnashua's Avatar
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    It could be 2mm slab or tile...then you might want/need plywood underneath.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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