10 Inch Unsupported Overhang Granite

If your granite top has a 2 cm thickness we recommend attaching a support system should the overhang exceed 6 inches.

10 inch unsupported overhang granite.

The marble institute of america says you can cantilever 1 1 4 inch granite up to ten inches without additional support. Peninsula overhangs can make or break the overall functionality of a kitchen. There are other things to keep in mind. What size granite countertop support brackets will you need.

Granite thickness granite tops with a thickness of 3 cm can have an 8 10 inch overhang without additional supports. The size of your granite support legs and brackets will be based on your overhang. 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. 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.

Can you extend the overhang on a kitchen island 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. 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.

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. So we are ok on the first criteria but we exceed the 1 3 criteria by four inches. The straight answer is up to 12 inches for granite providing 2 3 or more is cantilevered to offset the unsupported weight. It has a 15 overhang for seating and everything i read states anything over 10 needs support.

However the cantilevered portion cannot be more than 1 3 the total width of the countertop. So let s say your countertop will be 18 inches wide with a 10 inch overhang. But they also say the cantilevered portion can t be more than 1 3 the total width of the countertop. However you may need to install supports such as corbels or legs.

The granite slab is about as big as you can do without a seam. The length of granite overhang available without support depends on a few factors. The standard overhang for granite countertops is 1 inches 12 inches for an island just like the standards in general. I would like to leave it completely open but my kd says that i should get a full 30 inch panel on the shorter side to support the granite that it s too large an area to be unsupported.