Quartz Countertop Overhang Without Support

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

Quartz countertop overhang without support.

In conclusion the answer to the question how far can quartz overhang without support is. 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. So we are ok on the first criteria but we exceed the 1 3 criteria by four inches. 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.

However once you gather your information and find out from the installation guide for your material you will then be better prepared for selecting countertop support brackets that are designed for your purpose. 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. Yes you can extend the overhang on a kitchen island countertop. Countertop overhang will depend on various other measurements such as the countertop itself and cabinetry.

That said there are standard dimensions that can help guide you as you plan out your kitchen remodel. Once your countertop overhang exceeds these numbers it will require additional support through corbels base cabinets or knee walls. Even leaving your brackets weakly fastened leads to inadequate countertop support. Most granite fabricators will recommend support brackets on overhangs over 12 however solely based on the overhang amount.

That depends on many factors regarding the project material and the thickness of the surface. As the chart indicated solid surface countertops may only overhang 6 inches without additional support. Because not every bracket is the same certain support brackets may be too weak to hold stone like marble granite or quartz. Overhangs greater than 15 require the installation of corbels.

Alternatively a weak bracket may not support the weight of the countertop overhang. Amount of overhang you have is the most important factor to consider in deciding whether you need support brackets.