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UL fire ratings connote tested and certified products that meet performance and safety objectives per building codes. Architects and building contractors rely upon UL fire ratings to demonstrate compliance with building codes that stipulate the requirement of materials ...


A UL fire rating means that the certified building material has been approved by UL for use in construction projects. UL is an independent organization that certifies systems, materials and assemblies used for fire-resistant construction for commercial and industrial ap...


A UL rating refers to a product safety classification provided by the UL company. UL tests the safety of appliances and other items. Products that meet UL's standards can carry the statement "UL Listed" or "UL Classified" on its packaging. This statement can include the...


One-hour fire-rated wall boards include Sheetrock Brand Ultralight FirecodeX Gypsum panels, Durock Brand Cement Board Next Gen, and Sheetrock Brand Firecode Core - Type X. Wall board assemblies consist of wood, steel or concrete block framing, insulation and gypsum wall...


The UL measurement is a symbol used by the International System of Units to represent a microliter. A microliter is a metric unit of measurement for liquid volume and is equal to 1/1,000,000 (one-millionth) of a liter.


The latest print version of the UL Fire Resistance Directory is available on Comm-2000.com, under Other Products and Directories, as of 2016. The directory is approximately 530 pages.


Firewall assemblies with a UL rating have been tested by a UL representative and have met UL's standards for safety. UL certifies building materials used in creating structural fire resistance and in separating adjacent spaces to prevent fire and smoke from spreading.