Saving Lives and PropertyThrough Fire and Smoke Containment©2004 IFC
Fire Protection of Construction Joints
Saving Lives and PropertyThrough Fire and Smoke Containment©2004 IFC
Answer: BecauseJoints Move andmay present aweakness in firecontainment
Question: Why So Much Concern AboutFire-Resistive Construction Joints?
Saving Lives and PropertyThrough Fire and Smoke Containment©2004 IFC
Where Do I Find These Applications?
Saving Lives and PropertyThrough 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 PropertyThrough 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 PropertyThrough Fire and Smoke Containment©2004 IFC
Tests for Fire Resistance ofBuilding Joint Systems
Standards:ASTM E 1966UL 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 or4 hours
Saving Lives and PropertyThrough Fire and Smoke Containment©2004 IFC
Tests for Fire Resistance ofBuilding Joint Systems
•ASTM E 1966 & UL 2079
•All Model Building Codes Now RequireCycling 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 PropertyThrough Fire and Smoke Containment©2004 IFC
Building Construction andMaterials 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 PropertyThrough Fire and Smoke Containment©2004 IFC
ASTM E 1399
RateJoint TypeNo. of Cycles(Cycles/Min.)
Thermal Expansion/Contraction5001
Seismic10030
Wind Sway50010
Combination1003040010
Cyclic Movement and Measuring the Minimum andMaximum Joint Widths of Architectural Joint Systems
Saving Lives and PropertyThrough 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 PropertyThrough 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
0000 - 0999 < 2”
1000 - 1999 < 2” < 6”
2000 - 2999 < 6” < 12”
3000 - 3999 < 12” < 24”
4000 - 4999 < 24”
Underwriters Laboratories Inc.
How Firestop Joint Systems areListed
Saving Lives and PropertyThrough Fire and Smoke Containment©2004 IFC
For proper installationpractices, always refer tomanufacturer’sinstallation instructionsand test laboratory listing.
Saving Lives and PropertyThrough Fire and Smoke Containment©2004 IFC
Fluted Deck with Sprayed-On Fireproofing
Concrete
Fireproofing
Firestop
Spray
MineralWoolPacking
Fire RatedBlock Wall
Wall Parallel
to Flutes
Firestop
Spray
Fireproofing
MineralWoolPacking
Concrete
Wall Perpendicular
to Flutes
Saving Lives and PropertyThrough 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 buildingconstruction through research, education and development of safety standards andcode provisions.
Website - www.firestop.org
Email - Info@firestop.org
Voting Members
Saving Lives and PropertyThrough Fire and Smoke Containment©2004 IFC
Available educational seminars onour 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