Installing 24" Granite Tiles Over Existing Kitchen Countertop? - Carpentry - DIY Chatroom Home Improvement Forum

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Old 01-24-2008, 08:41 PM   #1
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Installing 24" granite tiles over existing kitchen countertop?

I am going to install 24" granite tiles on my kitchen countertop. From what I have read it is important to make sure the cabinets are screwed to the walls and to add corner braces for extra support. My existing countertops are particle board with laminate. They are in good shape. Will they support the weight of the tile? I plan on roughing up the laminate with sandpaper and then unsing prolastic to set the tiles in.


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Old 01-24-2008, 09:06 PM   #2
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granite weighs 180#,,,

per cf as i recall,,, some slightly more, some less,,, you can do the math,,, if it were mine, i wouldn't trust particle board in my home.


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Old 01-25-2008, 10:00 AM   #3
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I agree with so-elitecrete as far as particle board(bad,bad,bad).

If I were to spend the money the granite tiles cost, I would remove the old counter tops and install 3/4 inch plywood as a base and then cover with backer board to be safe. I sometimes over do it, but want to only do the work once not to mention having to spend twice money because I cut corners first time.

Just my oppinion!
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Old 01-25-2008, 10:16 PM   #4
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Particle board is a no,no. If it's been up for a while it's already coming apart under the front lip in front of the sink and dishwasher. You'll see problems around the sink and faucets also. Build it right and built it once.
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