Do I Need Plywood Under Granite Countertop

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Do I Need Plywood Under Granite Countertop. I love some of the quartz options that mimick carrera marble but the granite dealer is insisting that I need a 58 plywood over the cabinets for support. In this manner do you put plywood under granite countertops.

Yes Ikea Cabinets Easily Support Granite Use 3 4 Plywood We Added One Vertical Support To Granite Countertops Colors Kitchen Nook Lighting Ikea Cabinets
Yes Ikea Cabinets Easily Support Granite Use 3 4 Plywood We Added One Vertical Support To Granite Countertops Colors Kitchen Nook Lighting Ikea Cabinets from www.pinterest.com

When installing granite countertops you will not need an underlayment of plywood if the granite has a thickness of 3 centimeters about 1 14 inches. What would you guys reccomend. Physics has no interest in the opinion of the masses.

The type and thickness of plywood you use depend on the weight and type of the finish material.

What would you guys reccomend. If its approximately 34 inch granite you have to have a deck under it. If your quartz is 34 thick with somekind of rolled or applied selfedge then we put 58 plywood under it. With this scenario plywood is cut to fit the countertop layout and screwed to the cabinets prior to the stone tops being installed.