Place pressure sticks every 12 to 18 inches to help the adhesive bond the countertop to the cabinets at the back edge and apply clamps to the front edge.
Attaching granite countertop to base cabinets.
Space screws every 8 10 inches 20 25 cm.
If the pieces of the granite are very small they will use silicone caulk but otherwise nothing is used and they just sit on top of the cabinets.
Get underneath your countertops and position an electric drill at one corner of your cabinet braces.
Attach the countertops to the cabinets screw the countertop to the cabinet sides using 1 1 2 in.
Steel angles with 5 8 in.
Heavy solid slabs of stone such as granite glue in place on top of the cabinets.
Insert screws upwards to secure the plywood to the countertop.
Make sure the plywood does not overhang the outside dimension of the cabinet.
Outline the base s footprint with masking tape and mask the base too.
It s not necessary for the granite to be supported by an additional subsurface like solid plywood.
Attach the plywood to the cabinets by drilling screws through the cabinet.
After leveling and screwing the horizontal brace to the wall place the particleboard or plywood on top the cabinets.
Prep the cabinets to receive granite countertops cut 3 4 plywood to fit on top of all the base cabinets.
When lifting the countertop take extra care to support the granite where it is thin such as along cutouts.
When you slide it over against the.
First dry fit the countertop to ensure an accurate fit.
It should fit flush on top the cabinets.
Be sure to place pressure sticks along the back corners where the corner blocks are located to get the countertop down tight.
For a tight fit screw the angles to the cabinet first and then draw the top down to meet the steel angle with the second screw.
To bear the weight of the stone countertop the base cabinets need a layer of 3 4 inch plywood across the top.
Wipe away excess adhesive and remove the tape before the adhesive dries.