Kitchen cabinet - supporting granite counter

ecrannyMarch 29, 2011

I am starting to design my kitchen cabinets, and I want to get granite slab countertops for them, but I don't know how the counters are secured to the cabinets. Can anyone advise me on what kind of support I need to provide on the cabinets? If the countertops are glued, do I need to install a plywood substrate on the top of the counters? Should I just install stringer boards on top at the front and back? Any suggestions would be appreciated.

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brickeyee

"I don't know how the counters are secured to the cabinets. "

Gravity and sometimes some caulk/silicone.

It is more just to hold them in place while joints are made.

The slabs are more than heavy enough to stay put (short of large overhangs) especially after the sections are joined together.

You do not need to do much of anything to the cabinets.

    Bookmark   March 29, 2011 at 12:55PM
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annac54

Depends on the thickness of the granite slabs. The 3cm thick slabs I think can hold up with little support. The 2cm slabs are usually installed over a 5/8" plywood base. You would need to check with your local stone suppliers to see which thickness is available in your area, or what's available in the color granite you want to use.

    Bookmark   April 21, 2011 at 9:25PM
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brickeyee

"The 2cm slabs are usually installed over a 5/8" plywood base. "

Usually supplied by the granite installers.

They mount the plywood, then the thinner stone.

    Bookmark   April 22, 2011 at 10:01AM
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