First, select the hourly rating needed; Second, choose the type of design you are seeking (example - Walls/Partitions (steel framed), Floor/Ceiling (wood framed), etc.) ; Or search by the assembly number (UL design, or Gypsum Association file number) ; Then click on the Search button, and your results will be displayed below.. 1. Roofing System* — Any UL Class A, B or C Roofing System (TGFU) or Prepared Roof Covering (TFWZ) acceptable for use over nom 15/32 in. thick wood structural panels, min. grade "C-D" or "Sheathing". Nom 15/32 in. thick wood structural panels secured to trusses with No. 6d ringed shank nails spaced 12 in. OC along each truss.
6 USG Fire-Resistant Assemblies Test Certification Test Conditions and Fire- and sound-tested assemblies listed in this Selector are based on characteristics, properties and performance Certificationof materials and systems obtained under controlled test conditions as set forth in the appropriate ASTM Standard in effect at the time of test. These listings are short summaries to serve as a.. CSFI - 2020 - 02 June 09, 2020 UL Design No. L521 and P522 Expanded to Include SealTite™ PRO Spray Foam Insulation Carlisle Spray Foam Insulation is pleased to announce the addition of SealTite™ PRO spray polyurethane