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Thread: Sink fitting in new granite countertop question

  1. #1
    DIY Member richrc1131's Avatar
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    Default Sink fitting in new granite countertop question

    I hope this is the right thread for this. Sorry if it isn't.

    I just had a granite counter top installed. The contractors for Home Depot I think cut the sink cutout too wide. My wife measured it (I am still at work) and said that there is only about a half inch of material under the lip of the new sink holding it up.

    I don't know much about plumbing but I feel that there should be more. Thoughts?
    Last edited by richrc1131; 10-18-2012 at 01:00 PM. Reason: spelling

  2. #2
    DIY Senior Member kreemoweet's Avatar
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    A half inch is plenty. Granite is pretty strong stuff ... almost like rock, y'know.

  3. #3
    Plumber jimbo's Avatar
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    Sounds like you are OK! But you dodged a bullet! NEVER order a hole cut or drilled in granite until the granite guy has the sink or faucet IN HIS PAWS!!!

  4. #4
    DIY Member richrc1131's Avatar
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    I did supply them with the sink ahead of time.

  5. #5
    DIY Member richrc1131's Avatar
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    Ok here are the measurements:

    counter area:
    25" deep (not including back splash area)

    cutout:
    7/8 of an inch clearance from the back splash
    24 1/4" wide
    21 1/14" deep
    2 3/4" from the front of the counter

    sink:
    basin is 21" wide
    15 1/4" deep
    4 3/4" faucet area

    sink perimeter:
    25" wide
    22" deep

  6. #6
    DIY Member richrc1131's Avatar
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    I guess my main concern is that they said in an email that they would be drilling for the faucet and handles on site, but they didn't. They just cut a bigger hole.

    I am worried that the bigger hole isn't as strong as had they drilled for the faucet and handles like they said they would.

  7. #7
    DIY Senior Member kreemoweet's Avatar
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    If the faucets are sink-mounted, why would they be drilling the granite? That's NEVER done. Whoever told you different
    must not have been familiar with the details of your job.

  8. #8
    Moderator & Master Plumber hj's Avatar
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    Typically, the cutout is 1/2" to 3/4" smaller than the sink so yours is the right size. The only time a sink has faucet holes and the countertop is drilled for them is when the sink in undermounted. The sink should have had ribs under the ledge which have made it impossible to just cut the opening the size of the bowl, and would have done nothing to strengthen the installation. Your sink will break before the countertop would. They did it the "proper" way, based on your description.
    Last edited by hj; 10-20-2012 at 08:26 AM.
    Licensed residential and commercial plumber

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