Both of the previous are great ideas. Also consider, if it is an older valve, that the main does not close completely, for a variety of possible reasons. We see that alot in older homes. You can confi ... read more
We like to use a sanded caulk that matches the grout for that seam between the countertop and backsplash. The flexibility of the caulk allows it to expand and contract without cracking out like normal ... read more