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Under mount s/s kitchen sink coming loose from granite!?

26
Comments
Dow Last reply on Nov 25, 2015

My turn for a real tough question! I have a KWC s/s under mount sink with granite counter tops, originally installed 7 years ago. About 2-3 years ago, I had to address this issue - the sink coming loose, so when you rinse out the sink .. it drops down into the sink cabinet.
I had a granite fabricator that came out (paid him $250), cleaned the surfaces and reattached it. We once again had to wait 24hrs before my husband reconnected the sink.
Here we are 2yrs later.. the SAME thing is happening. *sigh* I certainly don't want to go through forking out $2-300 for the same thing .. to only have the same thing happen again. Besides, wondering now if my husband can do it (better?!?). Thanks in advance...

10  of  26 comments
  • Ulises Huerta
    Ulises Huerta Chicago, IL
    on Aug 26, 2013

    Hello... I just experienced the same problem as Bobby, my kitchen sink also fell, the sink I have is stainless steel and the my countertops are granite. Is there a special paste that goes into the screws?

  • Sofia Yen
    Sofia Yen
    on Oct 18, 2013

    gosh, would love to know as mine's also stainless steel and granite

  • Woodbridge Environmental Tiptophouse.com
    Woodbridge Environmental Tiptophouse.com Colonia, NJ
    on Oct 19, 2013

    They do not use screws, They use brass inserts. These are tiny pipe shaped fittings that have bolt threads on the inside and a rough surface on the out. The fabricator drills holes that are ever so slightly larger then these fittings. Then using a two part epoxy they glue these fittings into the granite top. Once that is done, they then using small threaded bolts fasten the top into place. Normally they also use the epoxy around the top flange of the sink being installed so it has even more holding power and prevents water from leaking out around the area between the sink and the bottom of the stone top. They also use small bolts that are epoxied to the bottom surface of the stone and then use clips to hold the sink into place. These are perfect for doing a repair while the brass insert type is normally drilled out at the fabricators place to prevent drilling through the surface of the stone.

  • Dow
    Dow Suwanee, GA
    on Jan 11, 2014

    there is a new product out called Cinclips. they attach to the cabinet and up to sink and will never fail if installed as instructed. no glue no drilling, no problems ever.

  • Dow
    Dow Suwanee, GA
    on Jan 12, 2014

    no waiting! hook up and use as soon as they are installed. Cinclips.com

  • Amanda Jane
    Amanda Jane Hampton, GA
    on Nov 12, 2014

    cinclips are great in theory, but if you have a sink in a corner they won't work because you can't reach the cabinet walls. We tried them tonight with our sink and they won't reach :(

  • Scott6836
    Scott6836 Bothell, WA
    on Nov 26, 2014

    look for hercules universal sink harness kit. amazon, or braxton-bragg.com. attaches to the cabinet with screws. A wire is strung between the attachment points, coming under the bowl of the sink, which is then tightened to hold sink against the counter.

  • Dow
    Dow Suwanee, GA
    on Nov 27, 2014

    CINCLIPS are the fast and easy way to mount a sink. They are also Lifetime Guaranteed! They sell on Amazon , Braton Bragg, Gran Quartz, Cosmos and Fabricators Supply.

  • ECHOFILM
    ECHOFILM Brighton, MA
    on Mar 15, 2015

    Dow, Amanda is correct, they will NOT work on corner sink bc wall of cabinet is not along side of sink. They are expensive as well, close to $50. I've found that the Hercules Universal sink harness is best solution for corner sinks AND under $10

  • Dow
    Dow Suwanee, GA
    on Nov 25, 2015

    Cinclips are #1 best selling sink Installation system on Amazon.com!

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