Attach the plywood to the cabinets by drilling screws through the cabinet.
Installing plywood for granite countertops.
Prep the cabinets to receive granite countertops cut 3 4 plywood to fit on top of all the base cabinets.
There is no plywood under the granite.
Is it normal not to use a plywood underlayment.
They put the stone directly on the cabinets.
Installing a granite countertop yourself is challenging but the cost savings and enhancement to your kitchen are well worth the effort.
Get underneath your countertops and position an electric drill at one corner of your cabinet braces.
Forum responses cabinet and millwork installation forum from contributor k.
However for granite with a thickness of 2 centimeters about 3 4 inches you will definitely need to use plywood for support.
I had some 3cm granite installed in a kitchen.
Also what is the best way to support the bar that has a 10 inch overhang.
Space screws every 8 10 inches 20 25 cm.
Insert screws upwards to secure the plywood to the countertop.
When installing granite countertops you will not need an underlayment of plywood if the granite has a thickness of 3 centimeters about 1 1 4 inches.
I will have the following run of cabinets which will be screwed together and to the back wall and will install a 20mm 3 4 thick granite countertop over it with sink and cooktop range.
Make sure the plywood does not overhang the outside dimension of the cabinet.