Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC Fire Protection of Construction Joints

Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC Answer: Because Joints Move and may present a weakness in fire containment Question: Why So Much Concern About Fire-Resistive Construction Joints?

Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC Where Do I Find These Applications?

Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC Construction Joint Terminology A A – Overall depth of concrete floor assembly B – Flute depth C – Joint width D – Minimum concrete depth E - Valley B C D E

Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC Assembly Rating Movement Nominal Joint Width Extension Compression Percent (%) Extension / Compression Mineral Wool Compression Sealant Depth Construction Joint Terminology

Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC Tests for Fire Resistance of Building Joint Systems Standards:ASTM E 1966 UL 2079 Test Items:Building Joint Systems Including: floor-to-floor floor-to-wall head-of-wall wall-to-wall Report:Fire rating in hours, i.e., 1, 2, 3 or 4 hours

Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC Tests for Fire Resistance of Building Joint Systems ASTM E 1966 & UL 2079 All Model Building Codes Now Require Cycling per ASTM E 1399 Time temperature curve (ASTM E 119) Must meet Assembly Rating (T Rating) criteria –250° F + ambient average (ASTM E 1966) –Any 1 thermocouple over 325° F + initial temp (UL 2079) Hose stream applicable to walls and wall tops

Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC Building Construction and Materials Fire Tests: Joint Systems (ASTM E1966, UL 2079) ASTM E 119 UL 263 NFPA 251 Fire Inside Through-Penetration Firestop: (ASTM E 814, UL 1479)

Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC ASTM E 1399 Rate Joint TypeNo. of Cycles(Cycles/Min.) Thermal Expansion/Contraction 5001 Seismic10030 Wind Sway50010 Combination Cyclic Movement and Measuring the Minimum and Maximum Joint Widths of Architectural Joint Systems

Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC Joints in Action Minimum Joint Width: Sealant – Compressed - thickest Mineral wool – Compressed - most dense Nominal Joint Width: Sealant – As installed Mineral wool – As installed Maximum Joint Width: Sealant – Stretched - thinnest Mineral wool – Stretched - least dense Floor/wall assembly Backer (Mineral Wool) Firestop

Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC Letters FF - Floor to Floor FW - Floor to Wall HW - Head of Wall WW - Wall to Wall D - Dynamic S - Static Numbers < < 2 < < 6 < < 12 < < 24 Underwriters Laboratories Inc. How Firestop Joint Systems are Listed

Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC For proper installation practices, always refer to manufacturers installation instructions and test laboratory listing.

Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC Fluted Deck with Sprayed-On Fireproofing Concrete Fireproofing Firestop Spray Mineral Wool Packing Fire Rated Block Wall Wall Parallel to Flutes Firestop Spray Fireproofing Mineral Wool Packing Concrete Wall Perpendicular to Flutes

Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC About the IFC The International Firestop Council is a not-for-profit association of manufacturers, distributors and installers of fire protective materials and systems. IFC's mission is to promote the technology of fire containment in modern building construction through research, education and development of safety standards and code provisions. Website Voting Members

Saving Lives and Property Through Fire and Smoke Containment ©2004 IFC Available educational seminars on our website include….. Firestop 101 – An introduction to firestopping Perimeter Curtain Wall Fire Protection Firestop System Selection Flexible Duct Wrap Systems Fire Protection of Construction Joints