How to Support Granite Overhang

How to Support Granite Overhang: A Guide for Homeowners

Granite countertops are a popular choice for homeowners due to their durability, beauty, and timeless appeal. However, when installing granite countertops, it’s essential to ensure proper support for any overhangs. Without proper support, the overhangs can crack or break over time, posing a safety hazard. In this article, we will discuss how to support granite overhangs effectively.

1. Determine the overhang length: Before installing the granite, measure the desired overhang length. It is recommended to limit the overhang to 12 inches for maximum stability.

2. Use support brackets: Support brackets are essential for providing stability to the granite overhang. These brackets can be concealed or decorative, depending on your preference.

3. Install support brackets properly: Position the support brackets approximately 18-24 inches apart along the length of the overhang. Secure them to the cabinetry or wall using screws or bolts, ensuring they are level and aligned.

4. Choose the appropriate bracket size: Select support brackets that are specifically designed for granite overhangs. Ensure that the chosen brackets can bear the weight of the granite without bending or breaking.

5. Consider additional support: For longer overhangs or heavy granite slabs, additional support may be required. Consult with a professional to determine the best reinforcement options, such as using a wooden corbel or steel angle brackets.

6. Seek professional help if unsure: If you are unsure about supporting a granite overhang, it is advisable to consult with a professional installer or contractor. They can assess the specific requirements of your countertop and recommend the best support solution.

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7. Regular maintenance: To ensure the longevity of your granite overhang, perform regular maintenance, such as cleaning with a mild soap and water solution, avoiding harsh chemicals, and promptly addressing any cracks or damages.


1. Can I install a granite overhang without support brackets?
No, it is essential to provide proper support to prevent cracking or breaking.

2. How much weight can support brackets bear?
The weight capacity varies depending on the bracket’s material and design. Ensure to choose brackets designed for granite overhangs and follow the manufacturer’s guidelines.

3. Can I install support brackets myself?
Yes, if you have experience with countertop installations. However, professional help is recommended for optimal results.

4. What if my granite overhang exceeds 12 inches?
Consult with a professional to determine the additional support required for longer overhangs.

5. Can I use wooden corbels instead of support brackets?
Yes, wooden corbels can provide additional support and add a decorative touch.

6. How often should I inspect the support brackets?
Regularly inspect the support brackets for any signs of damage or loosening. It is recommended to perform a thorough inspection annually.

7. Can I support a granite overhang with adhesive?
Using adhesive alone is not sufficient to support a granite overhang. Support brackets or additional reinforcement are necessary for stability and safety.

By following these guidelines and seeking professional advice when needed, you can ensure that your granite overhang is adequately supported and will provide lasting beauty and function in your home.