2 ~: D( j& e# j. q9 C) f1 ~
For some custom builders, all-screws subfloor is the standard, but if you are not sure about your builder's, put this spec. requirement down on the contract; black and white and check it out on site. DO NOT believe any verbal promises.
4 ?) @1 x# E' P3 |& c- Q# m- r, P! L5 ~do not warry about it. almost you can not control the sub-contractor. The builder too. % S4 V* b b9 ~, W% K* C, Q! ]$ U. v% r; i" [* `+ p
pay attention to your major staff.