  Cost effective residential construction [ 9 1/2", and 11 7/8"] |
  Superior strength and rigidity with an extra wide flange to ease installation [ 9 1/2",11 7/8", 14" and 16" ] |
  Exceptionally strong and rigid for extremely heavy loads and long spans [ 9 1/2", 11 7/8", 14", 16" and 18" ] |