This discussion, "Advantech subfloor thickness", in Ceramic and Stone Q&A (part of the category Do-It-Yourself & Consumer Support), begins, "Can anyone advise me on whether one 23/32 layer of Advantech subflooring is sufficient for laying ceramic tile with 1/2" ..."
Can anyone advise me on whether one 23/32 layer of Advantech subflooring is sufficient for laying ceramic tile with 1/2" backer board? Joists are sistered 2x10s (so 4x10s) centered on 16" and 12'6" long. Thanks.