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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.
# p% A8 ~! R" c& m : v) a* F7 l3 q" l/ c0 u4 I, @ % d9 C& i( o" g; {- o5 ddo not warry about it. almost you can not control the sub-contractor. The builder too. ( d0 g! b* P+ r' d n# W7 ]+ ]) C, {+ Z
pay attention to your major staff.