Best Practice Guide for Passive Fire Protection for Structural Steelwork
FIRERESISTANCEANDEXTERNALEXPOSURECHARACTERISTICS
1st Edition: October 2018
Contents
1.INTRODUCTIONUse of This Guide.. 4UL Mark Considerations.. Information on Listing versus Classification. .6 7UL Listing Mark . 7UL-EU Mark. 7Post Installation Inspections..Standard Industry Practices. ..82.CODES AND STANDARDS Model Codes. ..8 .8Product Safety Standards. ..8Installation standards . ...93. FIRE PROTECTION PRODUCTS FOR STRUCTURAL STEELWORK. .9Boards. Sprays.. .10 10Reactive Coatings.. 104. ENVIRONMENTALEXPOSURE CONSIDERATIONSFORFIREPROTECTION PRODUCTSFOR STRUCTURAL STEELWORK. 10FIRE PROTECTION PRODUCTS FOR STRUCTURAL STEELWORK SELECTION AND INSTALLATION . 125.CELLULOSICAND HYDROCARBONFIRES.. 15Cellulosic Fires... 156. Topcoats. SPECIFIC AREAS OF GUIDANCE 16 16Non-Traditional Shapes. 17Flat Plates. 17Horizontal Hollow Sections Used as Beams 18Non-UL Listed Data to *Top-Up/Extrapolate" Beyond the Listed Data. 18Beam and Floor/Roof Listings (N & S D E G J & P Series Letter Designations) Thermal and Structural Restraint.. 18 19Cellular Beams... ..20Attachments. . 20Multi-Temperature Analysis . 20APPENDIX A - UL CERTIFICATION PRODUCT CATEGORIES FOR STEELWORK FIRE PROTECTION. 22APPENDIX B - GLOSSARY. 23
PREFACE
Fire protection - Building codes rely on fire protection features to safeguard people from fire and other hazards aributed to the built environment and to provide safety to fire fighters andemergency responders during emergency operations. One aspect of this protection is basedon maintaining the structural integrity of the building during fires using a fire safety concept orassemblies as well as plimentary *active' fire protective systems to be provided to limit theis an integral part of the overall safety scheme included in the codles.
used tosupport thefloorswallroofs andotherbuilding systemsthatareprovided toallowboards cementitious or fibrous sprays and intumescent coatings. Some of these materials have reactive properties which provide an increased level of insulation when exposed to
elevated temperatures.
UL certifies awiderange of productsthat are covered by steelworkprotectiverequirementsBoards Sprays and Intumescent Coatings that have been certified by UL are not Listed byname or brand in this guide; up-to-date Listings (Certifications) can be found on UL Product iQ.
architects contractors installers and other interested parties.It isfor structural steelwork in association with the applicable codes and standards to facilitate safe code-pliant installations.
UL Guides are updatedas necessary due to new productdevelopments changes in the codes or the need for clarification.Toconfirm the current status of any UL Guide please contact UL.
Figure 1 Steeiwork Fire Protected By intumescent Coating System (Photo Courtesy Of
Sherwin-Wiliams)
1.INTRODUCTION
Use of This Guide
the suitability of fire protective products and systems for structural steelwork in a particularinstallation and use.
Category Code Number or CCN (shown in parenthesis) following every category title in thisguide is the UL product category code designation.A list of fire protection for structuralfound in Appendix A.
Each UL CCN provides a direct link to the Guide Information for the product category. TheGuide Information includes the scope of the products covered information relating toinvestigation of the products,general installation and use information certificationGuide information is available in UL Product iQ at https:/iq..
The product markings identified in this guide do not include every possible marking that couldthat address features that may be critical in determining if a product is certified and / or if it isadditional marking information.
This guide was produced independently by UL LLC with non-financial and editorial input fromthe following panies:
AkzoNobel (Intemational Paints Ltd.)CarbolineGCP-Applied Technologies Hilti AGHempelJotun Paints Isolatek InternationalPPG PromatRudolf Hensel GmbHIndustriasSylpyl SA de CV Sherwin WilliamsTremco-lbruck