UL 14C
Standard for Swinging Hardware for Standard Tin-Clad Fire Doors Mounted Singly and in Pairs

DETAILS
Edition Number:8SCC Approved:--
Edition Date:2006-10-27DOD Approved: 1984-10-29
Price Code:AANSI Approved: 2017-07-17
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements apply to hardware for swinging fire doors which have demonstrated in fire tests fire-resistive properties warranting their use with two-ply and three-ply tin-clad fire doors tested in accordance with the Standard for Fire Tests of Door Assemblies, UL 10B ( NFPA No. 252).


    1.1 revised December 15, 2008

    1.2 Requirements for the location and time rating required for fire doors are contained in the International Building Code (IBC). Requirements for the installation of swinging two-ply and three-ply tin-clad fire doors are included in the Standard for Fire Doors and Other Opening Protectives, NFPA No. 80.


    1.2 revised December 15, 2008

    1.3 The hardware included in these requirements is intended for mounting standard two-ply and three-ply tin-clad swinging fire doors for protection of openings not exceeding the dimensions for the hourly classifications indicated in Table 1.1.

    Table 1.1 - Limitations in types and dimensions

    Type of door

    Maximum area,

    Maximum width,

    Maximum height,

    Hourly rating or class designation

    square feet

    (m2)

    feet

    (m)

    feet

    (m)

    3-ply, single

    6

    1.8

    12

    3.6

    3, 1-1/2, 1, 3/4

    3-ply, in pairs

    10

    3.1

    12

    3.6

    3, 1-1/2, 1, 3/4

    2-ply, single

    6

    1.8

    10

    3.1

    1-1/2, 1, 3/4

    2-ply, in pairs

    80

    7.4

    10

    3.1

    10

    3.1

    1-1/2, 1, 3/4

    1.4 These requirements do not cover automatic releasing or closing mechanisms.

    1.5 Deleted December 15, 2008

  • TABLE OF CONTENTS
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    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Units of Measurement
          • 3 Undated References
        • CONSTRUCTION
          • 4 General
          • 5 Hinges for Doors Mounted Singly and in Pairs
            • 5.1 Hinge straps
            • 5.2 Hinge brackets
            • 5.3 Hinge wall strips
            • 5.4 Hinge wall strip bolts
            • 5.5 Bolts for attaching hinge straps to doors
            • 5.6 Washers
            • 5.7 Hinge locations
          • 6 Locking Mechanisms for Doors Mounted Singly and in Pairs
            • 6.1 Latch straps
            • 6.2 Pivot plates
            • 6.3 Latch guides
            • 6.4 Latch connecting bars
            • 6.5 Latch catches
            • 6.6 Latch catch wall strips
            • 6.7 Latch catches for doors mounted in pairs
            • 6.8 Bolts for attaching catches– doors mounted in pairs
            • 6.9 Operating handle mechanisms
            • 6.10 Handles
            • 6.11 Spindles
            • 6.12 Operating levers
            • 6.13 Center latch guides
            • 6.14 Latch springs
            • 6.15 Number of latches
          • 7 Nonautomatic Double-Acting Bolt Mechanisms for Standing Doors of Doors in Pairs
            • 7.1 General
            • 7.2 Top and bottom bolts
            • 7.3 Top and bottom bolt keepers
            • 7.4 Connecting rods
            • 7.5 Connecting rod guides
            • 7.6 Operating plate and handle
            • 7.7 Bottom bolt catches for double-acting bolts
            • 7.8 Top bolt catches for double-acting bolts
          • 8 Installation Instructions
          • 9 Painting
        • MARKING
          • 10 General
    • APPENDIX A
    • APPENDIX B