How to secure countertops.
Attach wood brace to underside of granite counter.
Place a wooden brace long enough to span the sink opening on the countertop.
Attach the l shaped corner braces from the bottom of the butcher block countertop to perpendicular wood elements in the cabinets.
Apply a 1 2 inch chord of silicone sealant around the entire perimeter of the sink on the lip that will contact the countertop.
Place wood braces tight under the sink for support.
Wipe around the bottom edge of the countertop that will contact the lip of the sink with a clean rag and acetone.
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Lift the sink into place and hook the top ends of the bar clamps over the wooden brace to support them.
Heavy solid slabs of stone such as granite glue in place on top of the.
Most base cabinets will have wood braces running at one or more points through the middle of the cabinet on longer cabinets and on sink base cabinets.
Place a wooden brace long enough to span the sink opening on the countertop.
The type of countertop you install determines the method you use to secure the countertop.