Granite marble and quartz are very heavy materials and if not supported correctly can at any time crack and break off.
Amount of overhang for granite before corebling.
An overhang is the distance something can extend without the need for support.
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.
While some countertops may have different overhang measurements this is the number that is seen as standard for homes.
Any overhang over the minimum of 12 inches can be determined somewhat by your height and choice of stool.
If you have a taller island and therefore a taller stool you ll likely rest your knees at a lower angle.
I have 2 corbels under the 12 section.
Remember the amount of overhang directly correlates to how much legroom you ll have while seated.
If you plan to extend the counter farther you need to add supports such.
This will mean you don t need as much overhang as you may expect as the knees will be lower than at the typical 90 degrees seated.
However as with regular countertops custom kitchen islands may have different overhang measurements.
That is why you should have steel supports for your overhang.
As a home owner you have to be aware of the liability if it breaks and falls on someone.
Typically anything over 10 overhang dimension needs support with either brackets or posts.
The standard overhang for kitchen island countertops is 12 inches.
1 how much overhang do you have amount of overhang you have is the most important factor to consider in deciding whether you need support brackets.
The standard overhang of an island countertop on the side designed to sit at and tuck stools underneath is 12 inches.
I wasn t home when this was done but i m 99 sure corbels went on before roughtop.
Check with your granite supplier to see what they recommend.
If you plan on putting an overhang on your kitchen island or at the bar top be sure to support it properly.
My island is 100 l contractor put roughtop down cut to shape before fabricator templated countertop.
If you extend them to 15 in.
Kitchen island countertop.
The question for homeowners wanting to install granite is.
It is bow shaped w 7 overhang on ends 12 in center.
How far can granite overhang before it needs support.
Overhang without support without any additional support solid surface countertop overhangs cannot exceed 6 engineered stone cannot exceed 14 and granite overhangs.
Check out our previous article on granite spans.
Today we want to shed some light on the amount of countertop overhang you can achieve without support and what sort of support you can choose for the perfect breakfast bar.
No way should 15 of granite be unsupported.
I have a formica countertop with an overhang that has steel supports.