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Reply by CaptainKlutz

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Posted on Attaching a Granite Top

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CaptainKlutz

1646 posts in 1949 days


#1 posted 07-15-2018 07:33 AM

+1 silicon caulk

Highly, suggest you discuss mounting granite of choice with your granite shop?

Unsupported granite overhang can be broken off with a sharp impact or heavy weight.

I wanted to use granite on some family room tables, and granite shop suggested no more than 2-3 inch over hang for ‘thin’ stone, unless used a wood backing layer underneath. ‘Thin’ 3/4 inch countertop installations of granite are usually made on top of a MDF/OSB wood base layer. Most times the wood backing layer is hidden in kitchen install by a extra 3/4×2 inch strip epoxy bonded to edges for edge profile. The nice part about base layer is you can use screws to attach countertops to cabinets; which makes the top more easily replaced without damaging cabinets. Some types of granite are much more prone to breakage than others due crystal structure. In my case; boss wanted expensive stuff that cracks when you look it wrong, so she ended up choosing wood instead.

Best Luck.

-- I'm an engineer not a woodworker, but I can randomly find useful tools and furniture inside a pile of lumber!


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