Technical_1inch-ig-clear-sn-68_us_csi3-part-spec_0320088100 GLASS Page 1 of 5
Guardian Glass, LLC March 2020
2300 Harmon Road, Auburn Hills, Michigan 48326
Toll Free (866) 482-7374
Web Sites www.guardianglass.com
NOTICE: The guide specification on the following pages is designed to assist
architects and specification writers. It is provided as a guideline only. Guardian Glass
does not assume any responsibility for the suitability or applicability of this guide
specification to any specific building project.
Guide Specification in CSI 3-Part Format
SECTION 088100
SOLAR CONTROL COATED INSULATING GLASS
PART 1 - GENERAL
1.1 SECTION INCLUDES
A. Double-Glazed Solar Control Insulating Glass Units.
1.2 RELATED SECTIONS
A. Section 08850 - Glazing Accessories.
1.3 REFERENCES
A. ANSI Z 97.1 - Glazing Materials Used in Buildings, Safety Performance Specifications and
Methods of Test.
B. ASTM C 1036 - Standard Specification for Flat Glass.
C. ASTM C 1048 - Standard Specification for Heat-Treated Flat Glass--Kind HS, Kind FT Coated
and Uncoated Glass.
D. ASTM C 1376 - Standard Specification for Pyrolytic and Vacuum Deposition Coatings on
Glass.
E. ASTM E 2188 – Standard Test Method for Insulating Glass Unit Performance.
F. ASTM E 2190 - Standard Specification for Insulating Glass Unit Performance and Evaluation.
G. CPSC 16CFR-1201 - Safety Standard for Architectural Glazing Materials.
H. Glass Association of North America (GANA) Glazing Manual.
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1.4 DEFINITIONS
A. Sealed Insulating Glass Unit Surfaces:
1. Surface No. 1: Exterior surface of outer lite.
2. Surface No. 2: Interior surface of outer lite.
3. Surface No. 3: Exterior surface of inner lite.
4. Surface No. 4: Interior surface of inner lite.
B. Airspace: Space between lites of an insulating glass unit that contains dehydrated air or other
inert specified gas.
1.5 SUBMITTALS
A. Comply with Section 01330 - Submittal Procedures.
B. Product Data: Submit manufacturer's product data, including performance characteristics and
installation instructions.
C. Shop Drawings: Submit manufacturer's or fabricator's shop drawings, including plans,
elevations, sections, and details, indicating glass dimensions, tolerances, types, thicknesses, and
coatings.
D. Samples: Submit manufacturer's samples of each type, thickness, and coating.
E. Fabricator's Certification: Submit fabricator's certification by manufacturer.
F. Cleaning Instructions: Submit manufacturer's cleaning instructions.
G. Warranty: Submit manufacturer's standard warranty for sealed insulating glass units.
1.6 QUALITY ASSURANCE
A. Manufacturer's Qualifications: Minimum of 5 years experience manufacturing solar control
coated glass.
B. Fabricator's Qualifications:
1. Minimum of 5 years experience manufacturing sealed insulating glass units meeting
ASTM E 2190.
2. Certified by coated glass manufacturer.
C. Mock-Ups:
1. Comply with Section 01450 - Quality Control.
2. Obtain acceptance of mock-ups by Architect before proceeding with work.
1.7 DELIVERY, STORAGE, AND HANDLING
A. Delivery:
1. Deliver glass to site in accordance with manufacturer's instructions.
2. Deliver glass in manufacturer's or fabricator's original containers and packaging, with
labels clearly identifying product name and manufacturer.
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B. Storage:
1. Store glass in accordance with manufacturer's instructions.
2. Store glass in clean, dry area indoors.
3. Protect from exposure to direct sunlight and freezing temperatures.
4. Apply temporary coverings loosely to allow adequate ventilation.
5. Protect from contact with corrosive chemicals.
6. Avoid placement of glass edge on concrete, metal, and other hard objects.
7. Rest glass on clean, cushioned pads at 1/4-points.
C. Handling:
1. Handle glass in accordance with manufacturer's instructions.
2. Protect glass from damage during handling and installation.
3. Do not slide 1 lite of glass against another.
4. Do not use sharp objects near unprotected glass.
PART 2 - PRODUCTS
2.1 MANUFACTURER
A. Guardian Glass, LLC, 2300 Harmon Road, Auburn Hills, Michigan 48326. Toll Free (866) 482-
7374. Phone (248) 340-1800. Web Sites www.guardianglass.com.
B. Substitutions:
1. Not permitted.
2.2 FABRICATORS
A. Sealed Insulating Glass Units, Heat-Strengthened Glass, Tempered Glass, and Spandrel Glass:
1. Acceptable Fabricators: Certified by Guardian Glass, LLC to fabricate SunGuard Solar
Control Coated Glass products.
2.3 SOLAR CONTROL INSULATING COATED GLASS
A. Double-Glazed Sputter-Coated Insulating Glass Units:
1. Conformance: ASTM E 2190.
2. Outboard Lite: Sputter-coated clear float glass.
a. Annealed Clear Float Glass: ASTM C 1036, Type 1, Class 1, Quality q3.
b. Vacuum Deposition Sputtered Coating: ASTM C 1376.
c. Coating on Surface No. 2: SunGuard SuperNeutral 68 (SN 68).
d. Glass Thickness: 6 mm (1/4 inch).
e. Heat Treatment: [None] [Heat-strengthened, ASTM C 1048, Kind HS] [Tempered;
ASTM C 1048, Kind FT; CPSC 16CFR-1201; ANSI Z 97.1].
3. Air Space: 12 mm (1/2 inch) wide, hermetically sealed, dehydrated air space.
4. Inboard Lite: Guardian Clear float glass.
a. Annealed Clear Float Glass: ASTM C 1036, Type 1, Class 1, Quality q3.
b. Glass Thickness: 6 mm (1/4 inch).
c. Heat-Treatment: [None] [Heat-strengthened, ASTM C 1048, Kind HS] [Tempered;
ASTM C 1048, Kind FT; CPSC 16CFR-1201; ANSI Z 97.1].
5. Glass Unit Performance Characteristics:
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a. Visible Light Transmittance: 68 percent
b. Visible Light Reflectance Outdoors: 11 percent
c. Direct Solar Energy Transmittance: 33 percent
d. Direct Solar Energy Reflectance Outdoors: 33 percent
e. Winter U-Value Nighttime: 0.29
f. Summer U-Value Daytime: 0.28
g. Solar Heat Gain Coefficient: 0.38
h. Summer Relative Heat Gain: 90
6. Edge Seals: ASTM E 2188, with aluminum spacers, dual-sealed with a primary seal of
polyisobutylene and a secondary seal of silicone sealant for glass-to-spacer seals.
7. Sealant: Approved by glass manufacturer.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine areas to receive glass. Notify Architect of conditions that would adversely affect
installation. Do not proceed with installation until unsatisfactory conditions are corrected.
3.2 PREPARATION
A. Verify glazing openings are correct size and within tolerance.
B. Verify glazing channels, recesses, and weeps are clean and free of obstructions.
3.3 GLAZING
A. Install glass in accordance with manufacturer's instructions, except where local codes or GANA
Glazing Manual indicate more stringent requirements.
3.4 FIELD QUALITY CONTROL
A. Coated glass, when viewed from minimum of 10 feet, exhibiting slightly different hue or color
not apparent in hand samples, will not be cause of rejection of glass units, as determined by
Architect.
B. Verify glass is free of chips, cracks, and other inclusions that could inhibit structural or ae sthetic
integrity.
3.5 CLEANING
A. Clean glass promptly after installation in accordance with manufacturer's instructions.
B. Remove labels from glass surface.
C. Do not use harsh cleaning materials or methods that would damage glass.
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3.6 PROTECTION
A. Protect installed glass from damage during construction.
B. Protect installed glass from contact with contaminating substances resulting from construction
operations.
C. Remove and replace glass that is broken, chipped, cracked, abraded, or damaged in other ways
during construction period, including natural causes, accidents, and vandalism.
END OF SECTION