Plywood Under Granite Overhang

Can you extend the overhang on a kitchen island countertop.

Plywood under granite overhang. Under a thin granite slab top a plywood subtop is needed for support and to attach legs. Just keep in mind you will want to speak with your fabricator supplier before making a final decision as he she is more familiar with your particular. What is the granite overhang limit in this case. Having read a number of threads i am somewhat confused on how to support the overhang of my granite countertop.

Plywood is an engineered wood that comes in various grades ranging from a through d. However 2 centimeter granite needs support under it since it is less sturdy so having a plywood underlayment is a must. The type and thickness of plywood you use depend on the weight and type of the finish material. Whether or not a plywood build up is required depends on the edge detail.

Question we have a kitchen cabinet job with a peninsula and a 3 4 granite slab. I intend to support the whole countertop including the overhang with 5 8 plywood. How much is the standard overhang for granite countertops. If the 3 cm material is black then try even 12 just don t let your kids play under it.

As for overhang depth 4 for 2 cm and 8 for 3 cm is fair. For countertops that have plywood underneath the granite material screw fasteners. The granite will be 3 4 thick. Sometimes we laminate two pieces of 3 cm material together and in turn require 3 cm of plywood buildup.

The standard overhang for granite countertops is 1 inches 12 inches for an island just like the standards in general. Grade a is the best quality and most expensive while grade d is the worst. August 7 2006. Why use plywood for 2cm granite instead of a different material.

Supporting a granite countertop overhang under a thin granite slab top a plywood subtop is needed for support and to attach legs. I expect to create a bar area overhang of 12 or 13 inches. I don t want to do corbels. Yes you can extend the overhang on a kitchen island countertop.