When you are installing granite countertops it s common to wonder how far can granite span without support this depends on the thickness of the granite slab that you have.
Granite countertop spans.
Having some steel bars let into the underside of the granite would do the trick however.
All slabs are treated with stoneguard sealer that protects against food and beverage stains and are backed by a 15 year warranty.
How far can granite countertops span without support.
Stonemark granite is exclusive to the home depot and is 100 natural granite.
If the granite is easy and inexpensive to replace i would go for it.
Now the granite will be supported on all four sides.
How to support granite with hidden brackets.
This granite top is doomed for failure the moment someone decides to sit on it unless a support is put underneath it.
But there are a lot of variables including how thick the granite is as well as what loads might be applied and whether the granite is truly free of invisible cracks.
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To clear span 36 with no support other than a cleat on the rear wall i think is pushing the limits.
News features granite countertop span needs support.
As a granite support guide in designs where your countertop spans supports the length of the span side to side as your facing it should be limited to 24 for 2cm thick stone and 36 for 1 3 cm stone thicknesses.
We spanned 24 for the dish washer using 2 cleats on the rear and end walls.
The granite should span this without any problems.
Well according the marble institute of america you can span up to 2 0 for 3 4 thick granite and 3 0 for 1 1 4 thick granite.
For designs where your countertop is cantilevered or overhangs the supports overhanging portion should be limited to 2 to 3 inches from the outer edge.
Just keep in mind you will want to speak with your fabricator supplier before making a final decision as he she is more familiar with your particular type of stone.
Therefore the quality of granite and how far granite can span without support varies depending on where it was extracted.
As a granite support guide in designs where your countertop spans supports the length of the span side to side as your facing it should be 16 to 20 inches.