1 Hour Fire Rated Wall Assemblies

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 design V497 provides options to construct 1-hour and 2-hour fire-rated wall assemblies from one side.

1-hour fire-rated wall: Apply two layers of " Type X gypsum secured with a layer of setting-type joint compound between them. Learn how to design and construct wood-frame walls and floors that meet one-hour or two-hour fire-resistance ratings for various occupancies. See tested assemblies, details, and sound ratings from AWC and other sources.

Discover what a 1-hour fire wall truly means for safety and compliance. Get details on Type X drywall, assembly methods, and required locations. This article aims to demystify the 1 hour fire rated wall assembly, offering a comprehensive guide for homeowners, builders, architects, and anyone concerned with ensuring robust fire safety in residential and commercial buildings across the United States.

Use these instructions to create your UL Product iQ account and search the certification database for UL fire-rated assemblies, designs or systems. Find UL Design U469 - 1 Hour Wall Assembly with a complete list of qualifying products on BuildSite. Download product data and MSDS here.

View assembly information on UL Website. Available insulation products for UL U419. Quality engineered thermal and acoustical fiberglass batt insulation with innovative ECOSE technology is ideal for floors, walls, ceilings and attics.

Fire rated walls use Type X drywall and UL assemblies to save lives. Learn about 1-hour and 2-hour fire rated wall types, codes, and firestopping. The following is a small sampling of fire resistive designs that are available.

There are 2 sources of information that can provide comprehensive information on fire resistant assemblies.