Quote Originally Posted by JohnM View Post
Bai is there a sealant preferably in a spray can that I can use to seal this concrete? Our sink is sandwiched between a concrete slab and granite top and there seems to be a gap that lets water through from the edges.

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There should be a gap between top & concrete....use nothing less than Polyurethane Seal(not silicone). Preparation is key. Area should be clean of grease/dirt & dry prior to application. Sika, Bostik, even Pioneer now have em. Cure time must properly be observed. Liquid, i.e. Thompson's, won't likely work.



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