Granite Overhang Support Guidelines

If you plan on putting an overhang on your kitchen island or at the bar top be sure to support it properly.
Granite overhang support guidelines. Final determination on bracket requirements and spacing should be recommended by your fabricator based on the following factors. Most granite fabricators will recommend support brackets on overhangs over 12 however solely based on the overhang amount. While traditionally countertops are set. 3 4 thick granite with a 5 8 or 3 4 plywood subtop will cantilever 12 without problems.
Check out our previous article on granite spans. If your granite top has a 2 cm thickness we recommend attaching a support system should the overhang exceed 6 inches. An overhang is the distance something can extend without the need for support. Typically anything over 10 overhang dimension needs support with either brackets or posts.
Opinions vary on this topic but since the weight of granite can cause it to crack making sure you have the proper support is essential. Here are three granite countertop support options to choose from corbels these are brackets similar to shelf brackets that typically form an l shape to transfer the load down from the countertop to the wall or cabinet below. How far can granite overhang before it needs support. As i ve designed it so far the curved piece is 123 long 24 wide at the widest part of the curve 8 wide at the ends and overhangs the sink side of the short wall by 2 inches and the other.
In this case an 8 or 10 deep bracket is called for. Bar overhangs typically require some form of additional support to prevent future problems. The question for homeowners wanting to install granite is. Granite countertops are one of the preferred material styles because of the durability of the natural stone.
Check with your granite supplier to see what they recommend. The length of granite overhang available without support depends on a few factors. How to support a granite countertop overhang. Been doing this for many years without a call back.
How to add support brackets to existing countertops. Granite thickness granite tops with a thickness of 3 cm can have an 8 10 inch overhang without additional supports. Overhang in granite does not need corbels or steel support up to 12 inches.