Granite Overhang Support Guidelines

The question for homeowners wanting to install granite is.

Granite overhang support guidelines.

My client has decided on 3 cm granite countertops and if possible would like the curved bartop piece cantilevered with no or little visible support. Typically anything over 10 overhang dimension needs support with either brackets or posts. Been doing this for many years without a call back. If you plan on putting an overhang on your kitchen island or at the bar top be sure to support it properly.

The size of your granite support legs and brackets will be based on your overhang. Bar overhangs typically require some form of additional support to prevent future problems. How to support a granite countertop overhang. Most granite fabricators will recommend support brackets on overhangs over 12 however solely based on the overhang amount.

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. 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. Final determination on bracket requirements and spacing should be recommended by your fabricator based on the following factors. 3 4 thick granite with a 5 8 or 3 4 plywood subtop will cantilever 12 without problems.

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. The length of granite overhang available without support depends on a few factors. Check with your granite supplier to see what they recommend. Granite countertops are one of the preferred material styles because of the durability of the natural stone.

An overhang is the distance something can extend without the need for support. 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. How to add support brackets to existing countertops. Check out our previous article on granite spans.

Granite thickness granite tops with a thickness of 3 cm can have an 8 10 inch overhang without additional supports. In this case an 8 or 10 deep bracket is called for. How far can granite overhang before it needs support.