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Granite Countertop Bar Tops, Island Overhangs


Granite Countertop Support
By: Rene

Granite Countertop Corbel CharlotteIf you have a granite countertop installed that has an overhang, most likely you will need some type of reinforcement or support underneath it. This reinforcement will help support your countertop on your cabinet or bar area. A rule of thumb for overhang reinforcement is that a support is needed anytime when you have more than one-third (1/3) of the overall countertop space as an overhang.

There are many different types of supports that can be used, such as wall brackets (which stay hidden) , T-brackets, or corbels.

Many people choose corbals because corbels are designed to be more appealing to the eye and come in all sorts of shapes, sizes and colors. Corbals are a more decorative option rather than brackets that remain hidden beneath the countertop space.

Granite Countertop Installed on Island CabinetI recently had a customer that had installed a center island cabinet in their kitchen. When I measured for their countertop, they explained how much they wanted the countertop to extend over the cabinet.

I measured the length, and it turned out that the granite was going to overhang more than 21" over the cabinet (more than 1/3 the overall countertop space). This was the first time I had encountered something like this, so I suggested the use of wall brackets. That was not right. When the granite installers came out, they could not install the wall brackets because there was no wall in the cabinet for the wall brackets to connect to! This is a very common mistake that is made with overhangs -- some people do not even realise they need a support to be installed!

We supported their island with a temporary support before coming back out again to install a T-bracket support.
Granite Countertop Island - Concord, NCThis was definately a learning expirence for myself and my customers as we discovered why we needed to use a T-Bracket. Our T-Brackets are specifically designed to support longer overhangs. The T-Bracket is 24" long and is mounted to the cabinet and countertop. Its strong material can carry the weight of the granite and support their island properly.

Here is a final photo of their granite countertop island in their kitchen -- supported by a T-bracket:

Uba Tuba Granite Island Countertop - Concord, NC

When you have any kind of overhang, you always need to be sure there is a support underneath. Granite weighs about 18lbs per square foot. It is a very heavy material and if not properly supported, it can cause damage to your home, cabinets, floors, or to anyone near it.

Here are some additional photos of granite bar tops, overhangs, supports and corbels:

Granite Countertop Corbel

Granite Countertop Supports

 Granite Bar Top & Tile

Granite Countertop Bar Steel Gray Granite

Granite Countertop Support

Granite Countertops Charlotte NC


Thank you all for your comments! I am glad to see our article has helped so many of you learn how to support your granite countertop! Granite countertops can be up to 18 pounds PER SQUARE FOOT -- for an average size kitchen, that is over 900lbs all together. Its very important to have proper granite countertop support. Without the proper support, your granite could break off and crack, damage your floors, or worse. Thanks again for the replies!
Posted @ Monday, August 23, 2010 1:41 PM by Beth
My concrete tops have been built with rebarb bent to hold the 14" overhang. Does this seem right? I am very nervous that this massive block is going to crack & hurt someone.  
The total top is 26", 14" of which is an overhang.
Posted @ Saturday, October 02, 2010 10:53 AM by Jen
Absolute Black Granites, Manufacturers and Exporters of Absolute Black Granites, Manufacturers and Exporters of Granites and Marbles, Manufacturers and Exporters of Star Galaxy and Black Galaxy Granites, Manufacturers and Exporters of Star Galaxy and Black Galaxy Granites India. 
For more details
Posted @ Thursday, March 31, 2011 12:03 AM by Manufacturers and Exporters of Absolute Black Granites
I am wanting to place a cabinet in my kitchen as an office/computer work area. I would like to have the cabinet match my current Silestone countertops (rainforest), but I have told that I can't get a small piece (33 X 21) by a major local hardware store in my area. Is this true or is there some other way I can get this top. If not, is there a product you can suggest that will give me a somewhat similar look? 
Remodeling a new purchase, 
Posted @ Thursday, October 27, 2011 12:58 PM by Lisa
I am installing granite top on antique solid buffet table to be used as a center island. No sink, no power. Does the buffet cabinet have to be anchored to the floor before granite firm will install granite top? Cabinet is 20"x60" and top is 28"x72".
Posted @ Monday, December 05, 2011 8:08 PM by Roger Tharrington
Thank you, exactly the info I was looking for to help my son with his project.
Posted @ Wednesday, March 28, 2012 1:56 PM by Tom
I had a 2cm granite countertop installed with a 10 inch overhang on one side and a 14 inch on the other. The fabricator was going to install steel supports into the plywood for needed support. When I told them that the supports were never placed during installation they said that they installed steel rods directly into the bottom of the granite. Is this something that fabricators do or are they just telling me this to cover there own back?
Posted @ Tuesday, April 03, 2012 12:19 AM by David Jaret
hi what does the t bracket look like and where can i get one? 
do you have a picture we are trying to extend our island over hang also and are coming across multiple different ideas but i need the right one. we wan to over hang approx 24" past the cabinets  
thanks so much in advance for the the advice
Posted @ Thursday, June 21, 2012 8:37 AM by Danielle
Great pictures to support your post! Keep it up!
Posted @ Tuesday, October 02, 2012 3:01 PM by Julie
where can I buy 5 of your Hidden Bar Bracket Countertop Supports? 
Do you have an installation video or guide to correctly install them?
Posted @ Saturday, October 06, 2012 8:18 PM by terry
i forgot to add that the island has drawers on the side without the overhang & the overhang is 10"
Posted @ Sunday, October 07, 2012 8:27 AM by terry
Can a T bracket be installed after a 3cm Quartz countertop with an 11 inch overhang over 12 inch base cabinets has been installed? If not, what other supports for the countertop could be installed? 
Thanks for the information.
Posted @ Saturday, May 25, 2013 11:47 PM by Joanna
Need braces for 18" granite overhang can you tell me where to purchase them. Don't have room for corbiles because of cabinets underneath
Posted @ Saturday, July 27, 2013 5:30 PM by Renee blessing
Posted @ Saturday, July 27, 2013 5:33 PM by Renee blessing
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