The was a critical technical resource used by architects, engineers, and building officials to identify fire-rated assemblies and certified construction materials. While UL has since transitioned most of this data to the digital UL Product iQ platform, the 2017 directory remains a benchmark for understanding how passive fire protection is categorized and applied in building design. Core Purpose of the Directory
The UL Fire Resistance Directory 2017 is available online and in print. Users can: ul fire resistance directory 2017
: Paper editions are no longer distributed by UL. Your best options to locate a used/original 2017 paper copy are: The was a critical technical resource used by
The 2017 directory organized listings using a standardized alpha-numeric code that identifies the type of construction and protection used. First Letter Category Description Examples of Sub-categories Floor-Ceiling Designs Concrete, steel floor units, or precast units L Wood/Steel Joists Wood-framed floor/ceiling assemblies N Beam Designs Steel beams for floor or roof assemblies P, S Roof-Ceiling Designs Roof assemblies and supporting beams U, V, W Wall and Partition Designs Load-bearing and non-load-bearing walls X, Y Column Designs Structural steel columns with fire protection Key Applications in Construction Reroofing Fire Rated Construction | IIBEC Users can: : Paper editions are no longer