Quartz Countertop Overhang Without Support

Even leaving your brackets weakly fastened leads to inadequate countertop support.

Quartz countertop overhang without support.

That said there are standard dimensions that can help guide you as you plan out your kitchen remodel. As the chart indicated solid surface countertops may only overhang 6 inches without additional support. The following recommendations help determine the needed support for quartz countertop overhang installation. Alternatively a weak bracket may not support the weight of the countertop overhang.

Because not every bracket is the same certain support brackets may be too weak to hold stone like marble granite or quartz. Yes you can extend the overhang on a kitchen island countertop. Once your countertop overhang exceeds these numbers it will require additional support through corbels base cabinets or knee walls. According to the marble institute of america you can safely overhang granite that is 1 1 4 thick up to 10 without supports.

Most granite fabricators will recommend support brackets on overhangs over 12 however solely based on the overhang amount. 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. So we are ok on the first criteria but we exceed the 1 3 criteria by four inches. In conclusion the answer to the question how far can quartz overhang without support is.

Overhangs greater than 15 require the installation of corbels. 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. That depends on many factors regarding the project material and the thickness of the surface. However you may need to install supports such as corbels or legs.

Countertop overhang will depend on various other measurements such as the countertop itself and cabinetry. 3 cm quartz engineered stone can handle a 14 inch countertop overhang without additional support 3 cm granite overhangs should not exceed a 10 inch overhang without additional support bearing in mind the 70 rule.