Our contractors lay plywood under our granite countertops.
Attach brace to underside of granite counter.
Lift the sink into place and hook the.
To bear the weight of the stone countertop the base cabinets need a layer of 3 4 inch plywood across the top.
The directions say to hold it in place for 5 minutes and let cure for 2 3 hours.
Heavy solid slabs of stone such as granite glue in place on top of the cabinets.
Mount the bracket to the stud and ensure that the top of the bracket is level with the underside of the granite.
The bolts are inserted into grooves that the fabricator drills or cuts into the back of the counter spaced evenly around the flange of the sink.
Place wood braces tight under the sink for support.
Place a wooden brace long enough to span the sink opening on the countertop.
Test that adhesive before using especially on light colored stone to be sure it doesn t bleed through to the surface.
The granite guy glues the countertop to the roughtop and the sink rim.
The granite sits on the wood and the bottom underneath edge of the granite just about matches the level of where the plywood is.
This was done to ensure the adhesive strip had the best bond to the surface.
The system includes 6 8 bolts clips and wing nuts.
Find countertop support bracket angles brackets braces at lowe s today.
The horizontal plate of the bracket should be level.
In order to avoid scratch pad the jaw of clamp.
Insert the bottom ends of two bar clamps through the drain openings in the sink.
Place clamps on them if you have room.
Sometimes he uses epoxy my preference and sometimes construction adhesive.
Secondly i used wood clamps to ensure a strong and consistent bond for the first 3 hours after attaching the grabbers to the underside of my granite countertop.
If necessary shim the bracket between the vertical plate and the stud not on the horizontal plate.
Stainless steel and composite sink manufactures provide a system for attaching directly to the underside of the g q counter top.
Place the sink back into the hole in the granite and pull it up into place using a string wrapped through the drain.
Have another person underneath the countertop to tighten the machine screws into the granite and place the clips under the rim of the sink.