| Includes ratings for over 14,000 designs and 600 systems!
Updated annually, this three-volume set includes hourly fire resistance ratings for:
- Volume 1: Includes designs with hourly fire ratings for beams, columns, floors, roofs, walls and partitions.
- Volumes 2A and 2B: Include fire-rated systems such as construction joints, through-penetration fire stops, perimeter (curtain walls), fire containment systems, electrical circuit protective systems, and fire resistive duct assemblies.
- Volume 3: Includes hourly ratings for dampers, fire doors, hardware and frames, glass blocks and glazing materials, and leakage rated door assemblies.
In addition, the 2010 UL Fire Resistance Directory lists names of companies qualified to use the Underwriter's Laboratory mark, arranged by type of construction material.
Information about the form and nature of the Listing Mark or Classification Marking to be used for a specific class or category of product is given. Limitations and/or special conditions applying to the product are included.
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