Countertop Overhang Support Requirements

Overhangs like those found on a wall pass through and eating bars of more than 6 but less than 12 can be supported with wood or metal corbels.

Countertop overhang support requirements. Adding thick edges makes the overhang stronger. Fabricating and installing overhang countertops as a general guideline support is required for overhangs of corian solid surface extending more than 6 152 mm in 1 2 12mm material and overhangs extending more than 12 305 mm in 3 4 19 mm material. Use granite countertop brackets when overhanging stone counters. Check with your granite supplier to see what they recommend.

While some countertops may have different overhang measurements this is the number that is seen as standard for homes. The standard overhang for kitchen island countertops is. Once your countertop overhang exceeds these numbers it will require additional support through corbels base cabinets or knee walls. Keep in mind that this is 1 inches over the front edge of the base cabinet.

Adding thick edges makes the overhang stronger. Kitchen island countertop. As the chart indicated solid surface countertops may only overhang 6 inches without additional support. Final determination on bracket requirements and spacing should be recommended by your fabricator based on the following factors.

How to install supports for an overhang or kitchen island. Solid surface tops that are thick that extend beyond the cabinets by six inches or more need overhang support. Fragile stones may require corbels and supports that are spaced closer together and that do not allow as much overhang than the specifications here. Typically anything over 10 overhang dimension needs support with either brackets or posts.

Different countertop materials have different requirements. If you plan on putting an overhang on your kitchen island or at the bar top be sure to support it properly. It is a standard installation rule that 70 of the total countertop width of a countertop must be supported by base cabinets knee walls corbels etc. Check out our previous article on granite spans.

One arm supports the countertop and the other arm. Standard countertop overhang is 1 inches. Corbels are 90 degree decorative braces that fit up under the countertop. Fabricating and installing overhang countertops as a general guideline support is required for overhangs of dupont corian solid surface extending more than 6 152 mm in 1 2 12mm material and overhangs extending more than 12 305 mm in 3 4 19 mm material.

Most granite fabricators will recommend support brackets on overhangs over 12 however solely based on the overhang amount.