Wipe around the bottom edge of the countertop that will contact the lip of the sink with a clean rag and acetone.
Attach wood brace to underside of granite counter.
Apply a 1 2 inch chord of silicone sealant around the entire perimeter of the sink on the lip that will contact the countertop.
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.
The type of countertop you install determines the method you use to secure the countertop.
Place the sink back into the hole in the granite and pull it up into place using a string wrapped through the drain.
Attach the l shaped corner braces from the bottom of the butcher block countertop to perpendicular wood elements in the cabinets.
Attach at the ends of the countertop.
Have another person underneath the countertop to tighten the machine screws into the granite and place the clips under the rim of the sink.
Place wood braces tight under the sink for support.
How to secure countertops.
Place a wooden brace long enough to span the sink opening on the countertop.
Find countertop support bracket angles brackets braces at lowe s today.