calmloki
Give me a museum and I'll fill it. (Picasso) Give me a forum ...
Anecdotal evidence: over the last 25 years i would bet we have replaced or repaired 1/2 of the bathroom floors in our rentals. Water goes where it wishes, and the first separation in the silicone seam betwixt tub and linoleum is followed by a renter bathing her kid and slopping water, or leaving a soggy bathmat overlapping that seam or... I accept that the floor will rot out, the sheet goods will stain from water getting to the backing, and that the floor will need replacing. As for leveling for the new floor, all the vinyl guys i know just spead level-ease or a similiar bonding grout type product to ease level transitions in repaired areas. Never seen pressure treated wood used in a bathroom, but not familiar with high-end new construction, so maybe....