Jul 1, 2010 · Users of fire resistance assemblies are advised to consult the general Guide Information for each product category and each group of assemblies. The Guide Information includes specifics concerning alternate materials and alternate methods of construction. Only products which bear UL's Mark are considered as Classified, Listed, or Recognized.

Fire resistance is the ability of an assembly constructed in a laboratory to contain a fire in a carefully controlled test setting for a specified period of time.

USG provides resources here for our UL wall assemblies for seamless integration into any construction project. These wall assembly files are used for planning and estimation purposes for many UL wall types, such as fire-rated wall assemblies.

UL U497 2 1/2" (63.5 mm), 4" (102 mm) or 6" (152 mm) I-Studs, 40 Based on WHI 651-0500.05 C-T Studs or C-H Studs 24" o.c. (610 mm). 1" (25.4 mm) Fire- NGC 2615- Shield Shaftliner or 1" Fire-Shield Shaftliner XP and two layers

Any mineral wool or glass fiber batt bearing the UL Classification Marking as to Fire Resistance. See Batts and Blankets (BZJZ) category for names of Classified companies.

U497, W419 41 SW 301 3 Hour Shaftwall with Deflection Track SW 401 4 Hour Shaftwall Partition SW 501 Control Joints for Shaftwall Systems ... Detail No. Title UL Design Head of Wall Firestop System Page SW Series - Shaftwall Assemblies 09 21 16.23 SW 101 1 Hour Shaftwall Partition

Nov 29, 2021 · Weird arrangement having exposed steel studs on one side, but UL assemblies will note "Exposure Side" and "Non-exposure Side" when the assembly is rated for exposure from one side, so this one appears to be rated from both sides.

Dec 6, 2023 · Discover how UL-tested designs can help you build fire-rated, one-sided wall assemblies for retrofit projects and occupancy separations. Learn about UL designs V449 and V497, featuring Gold Bond Fire-Shield Gypsum Board.

Our clients rely on this certification to demonstrate compliance with regulations and ensure the reliability of our products in their projects.

Product iQ is UL Solutions' online location for certification information. It combines data from many legacy UL solutions, including the Online Certification Directory, Product Spec and several iQ databases into one streamlined experience.