I have not got the experience of the pros on this site but I would recommend skipping the nails on the sub floor and instead use screws before using the thin set on top and then the wonderboard or equivalent.
Good luck Willy
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Willy
1986 V20 Old School
1992 V20 1992 150 Yamaha
1997 HydraSport 2250 Vector
2009 17' G3 Outfitter "G Spot"
http://www.youtube.com/watch?v=TDebw...eature=related
"I won't be wronged, I won't be insulted and I won't be laid on a hand on. I don't do these things to others and I require the same from them" JW
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