Check the first board for straightness and fasten it to the joists with nails or screws. You may drive all the fasteners as you go, or drive only a few at this point and snap chalk lines to line up all the other fasteners.
Check the first board for straightness and fasten it to the joists with nails or screws. You may drive all the fasteners as you go, or drive only a few at this point and snap chalk lines to line up all the other fasteners.