Allowable Overhang For Granite Countertop

However as with regular countertops custom kitchen islands may have different overhang measurements.

Allowable overhang for granite countertop.

The standard overhang for kitchen island countertops is 12 inches. Once your countertop overhang exceeds these numbers it will require additional support through corbels base cabinets or knee walls. In the guide you will find many aspects of installing quartz countertops. The brand is not the only factor though.

Overhangs greater than 12 will require corbels or legs. Mark each overhang with a dotted line on the. Raised bar top. This includes kitchen counter overhangs but there are standard.

Draw a triangle in the template when a longer radius is required. Maximum overhang for a laminate countertop. The angles that require an edge radius are exposed. 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.

With modern materials and tools almost any design that can be dreamed up can be built. 2 3 1 3 max countertops. The following recommendations help determine the needed support for quartz countertop overhang installation. Locate the angles to determine the radius of each one.

Angle radius overhangs 1. Typically anything over 10 overhang dimension needs support with either brackets or posts. 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.

Check with your granite supplier to see what they recommend. Write down all the radius and measurements in the template. Templating the countertops 4. How far can quartz countertops overhang.

Steel support max full substrate 36 max post countertops full substrate. A raised bar should be between 42 to 48 inches high. Tabletop applications require the use of a full substrate which extends within 4. Check out our previous article on granite spans.

I used 3 8 x 2 5 flat metal bars that went down the full width of the countertop including overhang spaced every 24. The maximum allowable overhang is no more than 1 3 of the depth of the countertop and. We have an overhang of about 15 and the cabinet base of the island is about 8 foot long and 3 foot wide. The bars were routed into the plywood support i used 2cm quartz so that the countertop laid flat on top of the base.

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. Here is a picture of the plywood support with the bars routed into it.