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Author Topic: Granite Installation - Can I use Epoxy to fill between granite and plywood  (Read 1401 times)
2scoops
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« on: June 08, 2007, 06:06:26 PM »

I am installing granite slabs into my new kitchen remodel. I am placing a 6 burner cooktop into a cabinet cutout.  The granite is 3/4" thick.  There is 3/4" plywood down on top of my cabinets.  If the granite is placed on top of the plywood I have an approximate 3/8" gap from top of granite to bottom lip of my cooktop rim..Can I use 3/8" of an epoxy to make up this difference between the granite and the plywood so the cooktop will rest on top of the granite?  Or is 3/8" too much and should I make up this difference with a 3/8 sheet of plywood? Any ideas?  Thanks...
« Last Edit: June 12, 2007, 03:51:48 PM by DeFusco Tech » Logged
Mark D.
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« Reply #1 on: June 08, 2007, 08:48:57 PM »

If this is a drop in range it should fit in over the granite. If it is not a drop in you should build up the plywood with hardibacker or some other cement fiberboard. If you can you should also change out the 3/4" plywood for 5/8" plywood as that is the standard under 20cm granite. Then you will need 1/2" hardibacker.

Glad to be of service,
Mark

p.s. - If I have this wrong please elaborate for me.
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2scoops
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« Reply #2 on: June 08, 2007, 08:57:13 PM »

The cabinets were built with a 3/4" plywood top inset so that its at the cabinet height level.  The issue is that the granite company measured incorrectly because the cooktop cutout measurements and cutout were too big<not by much> fault of the cabinet company...so now the cooktop is too high in its cutout by about 1/4" or slightly more..so what the granite company is suggesting to remedy the problem is to put more of the epoxy material under the granite to raise it up to match the lip/edge of the cooktop so it can rest on the granite and use screws to raise the granite and level it and remove these screws later.  I'm concerned cause i don't want the tips of the screws to crack the granite possibly..Do you thin that using an excessive amount of the epoxy material is OK, or should i place down a sheet of 1/4" plywood to make up this difference in height instead.  By the way thanks for answering so quickly.... Huh
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Mark D.
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« Reply #3 on: June 08, 2007, 09:16:26 PM »

If the granite people measured incorrectly why is it the fault of the cabinet company?

If a licensed contractor did this then they should fix it. You can use the epoxy but it is not my first choice.

Mark
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2scoops
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« Reply #4 on: June 08, 2007, 09:38:24 PM »

Because I was advised since this domino of errors has occurred that quote "cabinets are king" and all measurements for all the other things like granite come from the cabinet sizes..It's an expensive kitchen remodel...I'm getting a tad bit irritated with my contractor..It's gonna cost somebody money to fix it..That somebody won't be me...
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2scoops
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« Reply #5 on: June 08, 2007, 09:43:13 PM »

I reviewed you answer above regarding switching out the plywood for 5/8" plus the hardbacker board..Is that an industry standard, a building code..or just plain old common sense? Because at this point I can take out the 3/4" ply because its built into the cabinets...
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Mark D.
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« Reply #6 on: June 08, 2007, 09:46:43 PM »

Its the standard with 2cm because if there is an unlaminated edge it doesn't drop below the bottom of the granite and become visible from eye level down.

Granite is a luxury and is supposed to be luxurious. If the contractor measured it and cut it wrong that is on him...tell him to make it right!

Mark
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2scoops
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« Reply #7 on: June 08, 2007, 09:54:56 PM »

I agree thanks Mark!!! Time to go to sleep...
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