The plywood supports the granite and gives enough clearance for the bull nose edging to clear the drawers and doors.
Installing plywood for granite countertops.
Insert screws upwards to secure the plywood to the countertop.
However for granite with a thickness of 2 centimeters about 3 4 inches you will definitely need to use plywood for support.
There is no plywood under the granite.
They put the stone directly on the cabinets.
Make sure the plywood does not overhang the outside dimension of the cabinet.
Attach the plywood to the cabinets by drilling screws through the cabinet.
Forum responses cabinet and millwork installation forum from contributor k.
Space screws every 8 10 inches 20 25 cm.
Maintenance clean your new countertops using only granite and quartz cleaner which you can purchase at most fabrications shops.
Is it normal not to use a plywood underlayment.
Get underneath your countertops and position an electric drill at one corner of your cabinet braces.
I ve seem people saying that a plywood backer is important and some other people saying that it is more trouble than it is worth and the cabinets provide.
Also what is the best way to support the bar that has a 10 inch overhang.
Prep the cabinets to receive granite countertops cut 3 4 plywood to fit on top of all the base cabinets.
I had some 3cm granite installed in a kitchen.