Tcna f144-2011 [Archive] - Ceramic Tile Advice Forums - John Bridge Ceramic Tile


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11-16-2011, 01:04 PM
Is there still a TCNA F144 for 2011 that permits 1 layer of 5/8" subfloor plus 1/2" CBU only (under stone or tile). My latest is the 2010 handbook which refers to F144-2007.

Your experience with one-layer systems? I thought most people here believed in 1 1/8"-1 1/4" wood ... but TNCA still allows 1 layer 5/8"?

Thanks in advance,


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11-16-2011, 01:30 PM
My book lists F144-11, and limits it to ceramic tile, not stone. See the Environmental Classifications table begining on page 39.