Glass without limitations

Guide Specifications for USA

The specifications below are offered as suggested inclusions in glass and glazing specifications. They are not intended to be complete. A qualified design professional should verify all the information and determine what is suitable for a particular product, use and/or specific application. They must be reviewed and approved by an appropriate party before publishing as a finished specification.





  1. Section Includes: Fire-rated glazing materials installed in fire-rated window, door, transom, sidelight and borrowed light assemblies.
  2. Related Sections
    1. Drawings, General and Supplementary Conditions of the Contract, Division 1 and the following Specification Sections, apply to this Section.
    2. Section 08110 - Steel Doors and Frames
    3. Section 08161 - Sliding Metal Doors and Grills
    4. Section 08210 - Wood Doors
    5. Section 08500 - Windows
    6. Section 08510 - Steel Windows


  1. United States
    1. ANSI Z97.1 - American National Standard for Glazing Materials Used in Buildings - Safety Performance Specifications and Methods of Test.
    2. ASTM C162 - Standard Terminology of Glass and Glass Products.
    3. ASTM C1036 - Standard Specification for Flat Glass.
    4. ASTM C1172 - Standard Specification for Laminated Architectural Flat Glass.
    5. ASTM E152 - Methods for Fire Test of Door Assemblies
    6. CPSC 16 CFR 1201 - Safety Standard for Architectural Glazing Materials.
    7. NFPA 80 - Fire Doors and Windows
    8. NFPA 252 - Fire Tests of Door Assemblies
    9. NFPA 257 - Fire Tests of Window Assemblies
  2. United States, Canada & Mexico
    1. UL9 - Standard for Fire Tests of Window Assemblies.
    2. UL10B - Standard for Fire Tests of Door Assemblies.
    3. UL10C - Standard for Positive Pressure Fire Tests of Door Assemblies.


  1. Fire-Rated Glass: Glass that has been placed in a specific fire-rated assembly and then tested as a barrier to smoke and flames for a specific time rating.
  2. Fire-Rated Safety Glass: Glass that has been placed in a specific fire-rated assembly and then tested as a barrier to smoke and flames for a specific time rating as well as meeting an impact rating per CPSC 16 CFR 1201.


  1. Design Requirements
    1. Provide fire-rated glazing assemblies capable of withstanding smoke and flames for the time specified by code.


  1. Submit 4" x 8" samples of each type of fire glass indicated.
  2. Submit manufacturer's product data sheet and glazing instructions.
  3. Glazing contractor shall verify that all code requirements necessary to satisfy the fire rating have been met. These include: fire glass application, framing, glazing system, stop height and fire glass area, width and height.


  1. Comply with published recommendations of fire rated assembly manufacturers and organizations below, except where more stringent requirements are indicated herein. Refer to these publications for glazing terms not otherwise defined in this section or referenced standards.
    1. GANA Publications
    2. AAMA Publications
    3. NFPA Publications
  2. Each light of fire-rated glass shall bear a permanent, non-removable label of UL or WHI certifying it for use in tested and rated fire protective assemblies.
  3. Single-source fabrication responsibility: All glass fabricated for each type shall be processed and supplied by a single fabricator.


  1. Comply with manufacturer's instruction for receiving, handling, storing and protecting fire-rated glazing materials.
  2. Delivery: Deliver materials in manufacturer's original, unopened, undamaged containers with identification labels intact.
  3. Storage and Protection: Store materials protected from exposure to harmful environmental conditions and at temperature and humidity conditions recommended by the manufacturer.
  4. Exercise exceptional care to prevent edge damage to glass.


  1. Environmental Requirements: Installation of fire glass products at ambient air temperature below 40 degrees F (4.4 degrees C) is prohibited.
  2. Field Measurements: When construction schedule permits, verify field measurements with drawing dimensions prior to fabrication of fire glass products.



  1. Manufacturer is used in this section to refer to a firm that produces primary fire glass or fabricated fire glass as defined in the referenced standards.
    1. Vitre Mfg.
    2. CGI International Ltd.
    3. Pilkington
    4. Asahi


  1. Monolithic Clear Fire-Rated Safety Glass
    1. Application: [Door (single or multiple light), Sidelight, Transom, Borrowed Light, Window]
    2. Nominal Thickness: 5/16"
    3. Framing: [Hollow Metal (HM), Wood (W), Aluminum (A)]
    4. Glazing System: as required to maintain fire rating of tested assembly.
    5. Stop Height: as required to maintain fire rating of tested assembly.
    6. Fire-Rating: 20-minute (without hose stream)
    7. Impact Safety Rating: [None Required, CPSC 16 CFR 1201 Category I]
    8. Surface Finish: equal to annealed float glass
    9. Radiation Control: 'EW 30", 'integrity and radiation control, partial insulation' as defined by the current Euro-Norm (EN) Standard.
    10. Approximate Visible Light Transmittance: 86%
    11. Approximate Visible Light Reflectance: 9%
    12. Positive Pressure: meets requirements of positive pressure test standards UL 10C, UBC 7-2 and UBC 7-4.
  2. Monolithic Fire-Rated Wired Glass
    1. Application: [Door (single or multiple light), Sidelight, Transom, Borrowed Light, Window]
    2. Nominal Thickness: 1/4"
    3. Framing: [Hollow Metal (HM), Wood (W), Aluminum (A)]
    4. Glazing System: as required to maintain fire rating of tested assembly.
    5. Stop Height: as required to maintain fire rating of tested assembly.
    6. Fire-Rating: [20-minute, 45-minute, 60-minute, 90-minute]
    7. US Requirements:
      1. Wired glass shall comply with ASTM C1036, Type II, Class 1 (clear), Quality Q6, Form 1 (Wired Glass, polished both sides), Mesh 1 (M1-Diamond) or Mesh 2 (M2-Square).
    8. Canadian Requirements:
      1. Wire glass shall comply with CAN/CGSB-12.11-M, Type 1, Style 1 (Diamond) or Style 3 (Square).
  3. Glazing Compound
    1. Glazing Tape: as required to maintain fire rating of tested assembly.
    2. Setting Blocks: as required to maintain fire rating of tested assembly.
  4. Fabrication
    1. Fabricate fire glass and other glazing products in sizes required to glaze openings indicated for project, with edge and face clearances, edge and surface conditions, and bite complying with tested assembly.



  1. Site Verification and Conditions
    1. Verify that site conditions are acceptable for installation of the glass.
    2. Verify openings for glazing are correctly sized and within tolerance.
    3. Verify that the minimum required face and edge clearances are being followed.
    4. Do not proceed with glazing until unsatisfactory conditions have been corrected.


  1. Protection
    1. Handle and store product according to manufacturers' recommendations.
  2. Surface Preparation
    1. Clean and prepare glazing channels and other framing members to receive glass.
    2. Remove coatings and other harmful materials that will prevent glass and glazing installation required to comply with performance criteria specified.


  1. Install products using the recommendations of manufacturers of glass, sealants, gaskets and other glazing materials, except where more stringent requirements are indicated, including those in the "GANA Glazing Manual".
  2. Install glass in prepared glazing channels and other framing members.
  3. Install setting blocks in rabbets as recommended by referenced glazing standards in GANA Glazing Manual.
  4. Provide bite on glass, minimum edge and face clearances and glazing material tolerances recommended by GANA Glazing Manual.
  5. Set glass lights in each series with uniform pattern, draw, bow and similar characteristics.
  6. Distribute the weight of the glass along the edge rather than at the corner.
  7. Comply with manufacturer's and referenced industry recommendations on expansion joints and anchors, accommodating thermal movement, glass openings, use of setting blocks, edge, face and bite clearances, use of glass spacers, edge blocks and installation of weep systems.
  8. Protect glass from edge damage during handling and installation.
  9. Prevent glass from contact with contaminating substances that result from construction operations, such as weld spatter, fireproofing or plaster.
  10. Remove and replace glass that is broken, chipped, cracked or damaged in any way.
  11. Install vision panels in doors and sidelights in accordance with NFPA 80.
  12. Install so that appropriate logos and markings remain permanently visible.


  1. Clean excess sealant or compound from glass and framing members immediately after application, using solvents or cleaners recommended by manufacturers.
  2. Glass to be cleaned according to:
    1. GANA Glass Informational Bulletin GANA 01-0300 - Proper Procedures for Cleaning Architectural Glass Products.
  3. Do not use scrapers or other metal tools to clean glass.