fire protection of construction joints
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Fire Protection of Construction Joints. Answer: Because Joints Move and may present a weakness in fire containment. Question: Why So Much Concern About Fire-Resistive Construction Joints?. Where Do I Find These Applications?. D. A. E. B. C. A – Overall depth of concrete floor assembly - PowerPoint PPT PresentationTRANSCRIPT
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: Because Joints Move and may present a
weakness in fire containment
Question: Why So Much Concern About Fire-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 assemblyB – Flute depthC – Joint widthD – Minimum concrete depthE - Valley
BC
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 of Building 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 or 4 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 119UL 263NFPA 251
Fire Inside
Through-PenetrationFirestop: (ASTM E 814,
UL 1479)
Saving Lives and PropertyThrough Fire and Smoke Containment ©2004 IFC
ASTM E 1399
RateJoint Type No. of Cycles (Cycles/Min.)
Thermal Expansion/Contraction 500 1
Seismic 100 30
Wind Sway 500 10
Combination 100 30400 10
Cyclic Movement and Measuring the Minimum and Maximum Joint Widths of Architectural Joint Systems
Saving Lives and PropertyThrough Fire and Smoke Containment ©2004 IFC
Joints in Action
Minimum Joint Width:Sealant – Compressed - thickestMineral wool – Compressed - most dense
Nominal Joint Width:Sealant – As installedMineral wool – As installed
Maximum Joint Width:Sealant – Stretched - thinnestMineral wool – Stretched -
least dense
Floor/wall assemblyBacker (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 are Listed
Saving Lives and PropertyThrough Fire and Smoke Containment ©2004 IFC
For proper installation practices, always refer to manufacturer’s installation instructions and test laboratory listing.
Saving Lives and PropertyThrough Fire and Smoke Containment ©2004 IFC
Fluted Deck with Sprayed-On Fireproofing
ConcreteFireproofing
FirestopSpray
MineralWoolPacking
Fire Rated Block Wall
Wall Parallelto Flutes
FirestopSpray
Fireproofing
MineralWoolPacking
Concrete
Wall Perpendicular to Flutes
Saving Lives and PropertyThrough Fire and Smoke Containment ©2004 IFC
About the IFCThe 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 - www.firestop.org
Email - [email protected]
Voting Members
Saving Lives and PropertyThrough 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