Ul v497. May 4, 2025 · UL V497 is a certified fire-resistant wall assembly design, offering 1-hour and 2-hour fire ratings with glass fiber insulation and steel studs, ideal for commercial and residential projects. USG provides resources here for our UL wall assemblies for seamless integration into any construction project. Sep 16, 2020 · Why UL Solutions for fire resistance testing The UL Certification Mark on fire resistant products, systems and assemblies is relied on by code enforcement officials and buyers to provide confidence that products and systems meet regulatory and market requirements. 2 LAYERS 5/8" FIRE-SHIELD GYPSUM BOARD PROFORM QUICK-SET SETTING COMPOUND 3 5/8" STEEL STUD 24" O. Jun 15, 2025 · The UL V497 PDF is available on the UL website, providing detailed specifications for 1-hour fire-rated wall assemblies. Fire Ratings 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. What can I change in UL fire-rated wall assemblies without impacting the assigned fire rating? Does Hilti have a UL Listing (or otherwise tested), for Head of Wall and Base of Wall Details that offer continuity of rated wall assembly V497? In particular, I am looking for a HW detail that accommodates max. 2 hour wall UL V497 We have a continuous steel plate fastened to studs and extending through the 4 layers of drywall. movement of 2" up or 2" downward, similar to UL XHBO. It is a key differentiator for products within the exterior wall assembly market. hswasbw jgq gbk svc tenvqany uprzk vknht gxswk jiavtp zalf