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What is the overall thickness of a SunTouch installation over an existing plywood floor?

April 26, 2017existing floor installation overall plywood suntouch thickness

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What is the overall thickness of a SunTouch installation over an existing plywood floor?

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Here are a few rules of thumb: 1. 1/8 inch to 1/4 inch of thinset over the plywood 2. Then, 1/4 inch or 1/2 inch backerboard. 3. Then, the SunTouch mat. 4. Then 1/4 inch to 3/8 inch thinset over the SunTouch. 5. Finally, 1/4 to 5/16 inch tile. So, the overall thickness of your completed SunTouch tile floor will be about 7/8″ – 1″ thick. This is only about 1/8 to 1/4 inch thicker than a cold floor without heat.