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tns1 10-14-2013 08:22 PM

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.

Daniel Holzman 10-14-2013 10:18 PM

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.

tns1 12-20-2013 12:59 PM

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.

oh'mike 12-20-2013 08:01 PM

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----

Live_Oak 12-21-2013 11:27 PM

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.

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