Attaching Undermount Sink - Remodeling - DIY Chatroom Home Improvement Forum

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Old 10-14-2013, 07:22 PM   #1
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attaching undermount sink

Is is necessary to use the fastening clips for an undermount sink? The sink I have chosen is a tight fit in the cabinet, and I doubt there is room for screws around the perimeter of the basin. I thought I could just use a good industrial adhesive to bond the sink to the granite beforehand. If necessary I could install some wooden blocks in the cabinet after.


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Old 10-14-2013, 09:18 PM   #2
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I have put in several undermount sinks in granite. In each case, the granite was drilled and tapped by the granite fabricator, and accepted a stainless steel screw that held a clip in place. Perhaps you can install using adhesive only, I have not seen it done.


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Old 12-20-2013, 11:59 AM   #3
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The installer did not place inserts. Instead he mounted two wood rails in the cabinet to support the sink and then caulked the sink & cabinet and laid the granite on top. It seems very solid.
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Old 12-20-2013, 07:01 PM   #4
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I don't like that sort of install--I've seen it many times and most times it works well---However,I've seen several failures----

Chances are you are good-----I prefer the clips-----You will see----
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Old 12-21-2013, 10:27 PM   #5
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Mechanical fastening is the preferred method. If you don't have room for clips, then your sink is too large for it's base and you should choose a smaller one.
Do it right from the beginning if you only want to do the job once. It'll be cheaper in the long term.
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