Plywood Subtop Granite

Forum responses cabinet and millwork installation forum from contributor k.

Plywood subtop granite.

There is no plywood under the granite. With this scenario plywood is cut to fit the countertop layout and screwed to the cabinets prior to the stone tops being installed. Plywood should be used as the subtop in lieu of oxb particle board masonite etc. Now this assumes a full depth granite 3 cm or 1 1 4 thick is used.

This subtop is usually a piece of plywood or metal that ideally would have a smaller overall dimension than your top usually glued to the bottom using a. Plywood may be used as a sheathing in the construction of a home but the use of plywood in smaller projects also makes sense. Question we have a kitchen cabinet job with a peninsula and a 3 4 granite slab overhang of 12. Plywood can be used in the construction of a kitchen countertop.

You need to have a subtop to glue the granite to. All this is a lot easier than trying to make small left right front back adjustments in the location of the precut sink hole or drillings if the dryfit tops are a hair off. You can use a variety of types of products as finish materials when building counter tops ranging from granite slabs and tiles to butcher block wood ceramic tile and marble tiles. The type and thickness of plywood you use depend on the weight and type of the finish material.

Plywood is constructed of very thin sheets of wood laminated together to create a thicker stronger sheet. Under a thin granite slab top a plywood subtop is needed for support and to attach legs. It should be screwed down to the cabinets sanded side down where there is an overhang sanded side up on conventional cabinet applications where. Granite countertops are a beautiful addition to any kitchen or bathroom.

I then use the dry fit countertops as a guide to drill out the plywood subtop. Installing your own countertops is an ambitious project but you can achieve it by planning and measuring carefully. The top of the legs will be about 3 inward from the outside edge. Sounds a little sketchy to me that they didn t use subtop.

Reinforce the structure and avoid damage by adding a layer of plywood under the granite. This will prevent it from cracking when there are larger unsupported areas.