Allowable Overhang For Granite Countertop

The following recommendations help determine the needed support for quartz countertop overhang installation.

Allowable overhang for granite countertop.

With modern materials and tools almost any design that can be dreamed up can be built. The brand is not the only factor though. How far can quartz countertops overhang. Maximum overhang for a laminate countertop.

Kitchen island countertop. Without any additional support solid surface countertop overhangs cannot exceed 6 engineered stone cannot exceed 14 and granite overhangs shouldn t be more than 10 without additional supports. A raised bar should be between 42 to 48 inches high. The angles that require an edge radius are exposed.

Kitchen countertops walk through a granite countertop installation. The bars were routed into the plywood support i used 2cm quartz so that the countertop laid flat on top of the base. Tabletop applications require the use of a full substrate which extends within 4. The allowable overhang with no additional support is no more than 1 3 of the depth of the countertop and not to exceed 15 total.

Once your countertop overhang exceeds these numbers it will require additional support through corbels base cabinets or knee walls. Write down all the radius and measurements in the template. If you plan on putting an overhang on your kitchen island or at the bar top be sure to support it properly. Typically anything over 10 overhang dimension needs support with either brackets or posts.

However as with regular countertops custom kitchen islands may have different overhang measurements. The maximum allowable overhang is no more than 1 3 of the depth of the countertop and. Angle radius overhangs 1. Mark each overhang with a dotted line on the.

Raised bar top. In the guide you will find many aspects of installing quartz countertops. Overhangs greater than 12 will require corbels or legs. We have an overhang of about 15 and the cabinet base of the island is about 8 foot long and 3 foot wide.

Here is a picture of the plywood support with the bars routed into it. I used 3 8 x 2 5 flat metal bars that went down the full width of the countertop including overhang spaced every 24. Locate the angles to determine the radius of each one. Draw a triangle in the template when a longer radius is required.

2 3 1 3 max countertops. There are 5 metal bars they had to be angled to avoid the cut outs for a prep sink and rangetop. Steel support max full substrate 36 max post countertops full substrate. As mentioned in the last paragraph when it comes to the quartz countertop overhang limit the brand of quartz will play a role in how far your quartz can hang over the edge of the cabinets.

Check out our previous article on granite spans. Check with your granite supplier to see what they recommend.