Island Bracket


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Countertop Island Support Bracket

For heavy countertops like quartz, granite, or butcher-block; the In-Wall Island Support is a perfect choice of support since the installation of these brackets does not need knee walls. This product makes the countertop directly extend off the cabinets.

This product is made of a ½ inch by 2 ½ inch steel bar. It runs through the base cabinet and goes beyond the overhang’s length, minus several inches to keep the brackets completely hidden from view. On the back of the bracket is a ½ inch by 4 inch flange which mounts with the use of two screws to inside the face frame of the cabinet. The flange is completely hidden from view and is quite short which are the reason why it does not interfere with the drawers’ operations. The brackets run through the cabinet and temporarily settle in a ½ by 2/1 inch notion at the cabinet’s back side.

A bead of Liquid Nail must be applied on top of the support bracket before the countertop gets mounted. After mounting the countertop, a cantilever will be created. This will leverage both the weights of the countertop and steel. This amazing bracket is the best choice for most countertop islands.

The following images are great examples of how the Island Brackets look like when they’re in place.

The finished product can be seen in the image below. It has a 12-inch overhang located on three sides. It’s unlike the usual process of using giant corbels to support overhangs.

In the next image, you can see the cabinets where the Island Brackets are installed. It’s actually very easy to install this product. You just need to first cut a 2 ½ inch by ½ inch slot in front of the cabinets where the brackets can be set aside. Next, the support brackets will be attached to the cabinet by using two screws and a small flange. You don’t have to worry the flange’s interference with the doors and drawers since it’s short enough.

The patented Island Extension Brackets are created in order to provide support to the ends. This wonderful product can also be modified in order to create an overhang located on all fours sides of an island.

Additional information

Weight 48 oz

16", 17", 18", 19", 20", 21", 22", 23", 24", 25", 26", 27", 28", 29", 30", 31", 32", 33", 34", 35", 36", 37", 38", 39", 40", 41", 42", 43", 44"


White, Black


  • Horizontal support is 2 ½” wide x ½” thick steel
  • Length is 16” – 48”, determined by customer
  • The flange is 4” wide x ½” tall x ¼” thick steel with 2 mounting holes


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