Labels:crt screen | dialog box | hakham | windowpane | workwear OCR: Understanding the UL Fire Resistance Directories Design No. P533 Unrestrained Assembly Rating Finish Rating 23 Mir Roofing System: Any UL Clas.s A or Roofing System (TGFU) or Prepared Roof Covering (TFWZ) acceptable for use over nom 15/32 in. thick plywood sheathing Nom 15/32 in thick plywood sheathing secured to trusses with construction adhesive and No. 6d ringed shank nail.s. Nails spaced 12 in. along each truss Staples having equal greater withdrawal and tateral resistance strength may be substituted for the 6d nails. Prev Next Class ywood lateral