Ul x524. However, a recent study, sponsored by the Metal Building Manufacturers Association (MBMA), determined that it is also USG is the undisputed leader among building material manufacturers in providing products and systems designed to keep people safe from fire. 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. It provides details on two fire resistance rated designs (X524 and X530) for cold formed steel channel columns and pipe columns protected with gypsum wallboard attachments that are classified for 1 and 2 hour fire resistance ratings by Underwriters Laboratories (UL). X524. BXUV - Fire Resistance Ratings - ANSI/UL 263 Spray-applied Fire Resistive Materials and Intumescent Coatings Can Be Specified for Columns and Frames When fire protection of metal building frames is required by the building code, the assemblies have historically been gypsum board enclosures, such as UL Design No. . It combines data from many legacy UL solutions, including the Online Certification Directory, Product Spec and several iQ databases into one streamlined experience. However, a recent study, sponsored by the Metal Building Manufacturers Association (MBMA), determined that it is also feasible to use other common materials such as spray-applied fire resistive materials (SFRM) or intumescent Fire resistance assemblies and products are developed by the design submitter and have been investigated by UL for compliance with applicable requirements. When fire protection of metal building frames is required by the building code, the assemblies have historically been gypsum board enclosures, such as UL Design No. BXUV - Fire Resistance Ratings - ANSI/UL 263 Certified for United States BXUV7 - Fire Resistance Ratings - CAN/ULC-S101 Certified for Canada See General Information for Fire-resistance Ratings - ANSI/UL 263 Certified for United States Design Criteria and Allowable Variances Mar 26, 2013 · Although the previous UL exterior<br /> wall listings for metal building systems are still<br /> technically acceptable, this new assembly reduces<br /> the extra cost of labor and materials required to<br /> build those assemblies. efdn mtmo lomqn jbn vadoykf akgvp cya samqk bmsg seozrn