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Start Building » Fire Protection
Building codes require metal building construction to be fire rated in certain situations. To address these requirements, MBMA conducted fire tests at UL (Underwriters Laboratory), Intertek (Omega Point) and FM Global (Factory Mutual) that resulted in fire protection details that are UL listed. Details address roof/ceiling, wall, column, joint, and wall continuity systems.
The following table summarizes all the MBMA/UL tested fire-resistance rated assemblies and includes hyperlinks that will take you to UL's website, UL Product iQ. Access to UL Product iQ and its Fire-Resistance Ratings is free, but requires registration. (Please note these links will take you away from the www.mbma.com website).
Wall Continuity-Joint, Cavity Filled Insulation System
The fire protection assemblies for metal building frames have historically been gypsum board enclosures, such as those listed in the above table, including UL Design No. X524. However, an MBMA study determined that it is also feasible to use other common materials such as spray-applied fire resistive materials (SFRM) or intumescent coatings. More information about these alternatives is available.
MBMA also published the Fire Resistance Design Guide for Metal Building Systems. This guide contains the most complete and up-to-date information on the subject of fire resistance for metal building systems. For more information about this guide, please click here.
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