10 Inch Unsupported Overhang Granite

The granite slab is about as big as you can do without a seam.

10 inch unsupported overhang granite. But they also say the cantilevered portion can t be more than 1 3 the total width of the countertop. For example if your granite overhangs 12 inches past your 2 x 4 knee wall subtract 2 4 for the desired length of your support bracket in this case an 8 or 10 deep bracket is called for. The size of your granite support legs and brackets will be based on your overhang. So there will be be a 15 x 27 inch space there 15 inches on the 30 inch side and 27 inches on the 42 inch length will be open.

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. The straight answer is up to 12 inches for granite providing 2 3 or more is cantilevered to offset the unsupported weight. Can you extend the overhang on a kitchen island countertop. According to the marble institute of america you can safely overhang granite that is 1 1 4 thick up to 10 without supports.

There are other things to keep in mind. Granite thickness granite tops with a thickness of 3 cm can have an 8 10 inch overhang without additional supports. Peninsula overhangs can make or break the overall functionality of a kitchen. Yes you can extend the overhang on a kitchen island countertop.

According to the marble institute of america you can safely overhang granite that is 1 inches thick up to 10 inches without support. I brought support up to the granite contractor and he said no support needed as he proceeded to sit on the edge of the counter. If your granite top has a 2 cm thickness we recommend attaching a support system should the overhang exceed 6 inches. The brand is not the only factor though.

The length of granite overhang available without support depends on a few factors. However the cantilevered portion cannot be more than one third the total width of the countertop. However you may need to install supports such as corbels or legs. So we are ok on the first criteria but we exceed the 1 3 criteria by four inches.

The marble institute of america says you can cantilever 1 1 4 inch granite up to ten inches without additional support. The standard overhang for granite countertops is 1 inches 12 inches for an island just like the standards in general. What size granite countertop support brackets will you need. However the cantilevered portion cannot be more than 1 3 the total width of the countertop.