How much overhang can I have without added support? The short write back every person is looking for is 12 inches. The Marble compose of America recommends no more than 12 inches unsupported. This short write back is not enough as there are variables that must be understood to safely write back this question. The maximum overhang depends upon the hardness of the stone and just how much counter Is Fully supported vs how much is not. Cantilevered weight offset, is what we are looking for.
Here is an extreme example. If you only have 6 inches of stone on top of a wall cap then the maximum safe overhang is 2 inches following the 2/3rds rule. The Marble institutes 12 inch guide line may lead person to believe that it is ok to have 12 inches of overhang when in this situation it would immediately fall off the wall and potentially injure anything with feet in the path of the falling granite.
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So to construe the maximum overhang is the lesser of 2/3rd or 12 inches. Even that depends upon the fragility of the material. I would not propose a 12 inch unsupported overhang with Onyx due to how soft and brittle the material is and you can get away with 16 inches if the material was Absolute Black as the material is fissure free and highly hard.
How much overhang can you have without added support? This inquire comes up daily and affects layout and whole compose of many kitchens.
The right write back is up to 12 inches for granite, providing 2/3 or more is cantilevered to offset the unsupported weight.
Peninsula overhangs can make or break the whole functionality of a kitchen. The use of Corbels or legs to sustain added overhangs can work on chairs and leg areas so looking solutions can work on the functionality of a kitchen design.
You can have more and sometimes less is recommended depending upon the actual stone. Very hard stones can safely sustain more overhang, providing the 2/3 cantilevered criteria is met. Softer or more brittle stones may dictate less overhang.
What options do you have if you just have to have more overhang. Well there are merge distinct ones to consider.
Below are some of the beloved solutions and options as well some pros and cons to each solution.
-Corbels- descriptive but decorative
-Brackets- uncostly and effective, installed properly works good on wall tops than upon cabinets
themselves.
-Legs -Visible, ornamental but in the way of chairs and peoples legs.
-Granite Countertop sustain brackets- incommunicable and concealed but offers great support. They must be installed before the granite and cut into the cabinet itself. They are specifically designed for this challenge.
-Rods- Can be installed inside of the stone to develop and potentially expand the limit as this technique does reinforces brittle stones, but does nothing to expand the cantilever rule of 2/3rds.
Think a worst case scenario such as person choosing to jump up on top of a countertop and ask yourself, "would that be safe" reconsider the application as well. What is safe in a frat house is not the same for what is safe in a resignation community. reconsider the application, material, cantilever sustain and err to the safe side when designing and planning the number of overhang you might engineer into your granite countertops.
Dan DiTomaso Stone Masters Inc. Http://www.stonemastersinc.net
How Much Overhang Can My Granite Countertop Have Without further Support?
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