SECTION GLASS AND GLAZING (WINDOWS)

Transcription

1 SECTION GLASS AND GLAZING (WINDOWS) PART 1 GENERAL 1.01 SUMMARY A. Section Includes: 1. Glazing accessories B. Related Work Specified Elsewhere: 1. Section 08500, & Aluminum Windows 1.02 REFERENCES/DEFINITIONS A. ASTM E Structural Performance of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference. B. ANSI Z Safety Performance Specifications and Methods of Test for Safety Glazing Used in Buildings. Code of Federal Regulations Part16, CFR 1201 C. ASTM C Dense Elastomeric Compression Seal Gaskets, setting blocks, spacers. D. ASTM C Flat Glass. E. ASTM C Heat+Treated Flat Glass + Kind HS, Kind FT Coated and Uncoated Glass. F. ASTM C 1193 Standard Guide use of Joint Sealants. G. ASTM E 330 Standard Test method for structural performance of exterior windows by Uniform static air pressure difference. H. ASTM E Test Method For Frost Point of Sealed Insulating Glass Units. I. ASTM E Test Method For Dew/Frost Point of Sealed Insulating Glass Units in Vertical Position. J. ASTM E Test Method for Seal Durability of Sealed Insulating Glass Units. K. ASTM E Sealed Insulating Glass Units. L GANA (GM) (Glazing Association of North America) GANA Glazing Manual. M. GANA (SM)(Glazing Association of North America) FGMA Sealant Manual. N. FS TT+S Sealing Compound, Single Component, Butyl Rubber Based, Solvent Release Type. O. FS TT+S Sealing Compound, Silicone Rubber Base. P. SIGMA TM Sealed Insulated Glass Manufacturers Association PERFORMANCE REQUIREMENTS A. Glass and glazing materials of this Section shall provide continuity of building enclosure vapor retarder and air barrier: 1. To utilize the inner pane of multiple pane sealed units for the continuity of the air barrier and vapor retarder seal. 2. Maintain continuous air barrier and vapor retarder throughout the glazed assembly from glass pane to heel bead of glazing sealant. KenmoreTown of Tonawanda UFSD Phase 2C Main Project

2 B. Size glass to withstand dead loads and positive and negative per New York Building Construction Code live loads acting normal to plane of glass as measured in accordance with ASTM E330. Thickness listed are minimum. C. Limit glass deflection to 1/200 or flexure limit of glass with full recovery of glazing materials, whichever is less SUBMITTALS A. Submit under provisions of Section B. Product Data on Glass Types Specified: Provide structural, physical and environmental characteristics, size limitations, and special handling or installation requirements. C. Product Data on Glazing Compounds: Provide chemical, functional, and environmental characteristics, limitations, special application requirements. Identify available colors. D. Samples: Submit three samples, 12 x 12 inch in size, illustrating each type of glass unit, coloration and design. Units must have azon thermal spacer as specified. E. Samples: Submit 6+inch long bead of glazing sealant with specified spacer F. Manufacturer's Installation Instructions: Indicate special precautions required. G. Manufacturer's Certificate: Certify that sealed insulated glass, meets or exceeds specified requirements. H. Certificates: Certify products meet or exceed specified requirements QUALITY ASSURANCE A. Perform Work in accordance with GANA Glazing Manual, GANA Sealant Manual and SIGMA for glazing installation methods QUALIFICATIONS A. Installer: Company specializing in performing work of this section with minimum of five years documented experience ENVIRONMENTAL REQUIREMENTS A. Do not install glazing when ambient temperature is less than 50 degrees F. B. Maintain minimum ambient temperature before, during and 24 hours after installation of glazing compounds FIELD MEASUREMENTS: Verify that field measurements are as indicated on shop Drawings. KenmoreTown of Tonawanda UFSD Phase 2C Main Project

3 1.09 COORDINATION A. Coordinate Work under provisions of Section B. Coordinate the Work with glazing frames, and perimeter air and vapor seal to adjacent Work WARRANTY A. Provide ten+year manufacturer's warranty for insulating units, and five year warranty for laminated units under provisions of Section B. Warranty: 1. Include coverage for sealed glass units from seal failure, interpane dusting or misting, and replacement of same. 2. Include coverage for coatings and replacement of same. 3. Include coverage for delamination of laminated glass and replacement of same. PART 2 PRODUCTS 2.01 FLAT GLASS MATERIALS A. Manufacturers: 1. Pilkington 2. AGC 3. PPG C. Glass Products: 1. Tinted glass (Type A): Color of tint as selected by Architect tempered with Guardian SNX 62/27 or Solarban 70XL #2 surface to comply with CSPC 16 CFR 1201 A. Comply with ASTM C 1048 B. ¼ minimum thick 2. Clear Glass (Type B): Clear Tempered to comply with CSPC 16 CFR 1201 A. Comply with ASTM C 1048 B. ¼ minimum thick 3. Obscure Glass (Type C): Tempered to comply with CSPC 16 CFR 1201 A. Saten Deco Etch obscure glass. B. ¼ minimum thick C. Comply with ASTM C DUAL SEALED INSULATED UNITS A. Outer and Inner panes as specified B. Airspace shall be TECHNOFORM WARM EDGE SPACER with GRAY finish with dessiccant all four sides. U+channel with exposed desiccant will not be accepted. KenmoreTown of Tonawanda UFSD Phase 2C Main Project

4 C. Spacers shall have the IGCC label permanently applied to the specified insulated unit spacer, Visible to the inside of the insulated unit. Units without the visible label will not be accepted. D. The primary seal shall be polyisobutylene. E. The secondary seal shall be silicone. F. Air space filled with 90% Argon Gas 2.03 SEALED INSULATING GLASS MATERIALS A. Manufacturers: 1. TRULITE GLASS AND ALUMINUM SOLUTIONS GUARDIAN SUNGUARD GUARDIAN INDUSTRIES CORP. 3. LITEX INCORPORATED 4. WA WILSON / PERILSTEIN B. TYPE G$1 Insulated Glass Units 1. Outer pane of type A glass, inner pane of type B glass. 2. Place Low+E coating on No. 2 surface within the unit 3. Total unit thickness of 1 inch minimum, 4. Units to be used on aluminum windows. 5. TECHNOFORM air spacer with argon gas TYPE G+1 INSULATED PERFORMANCE CHARACTERISTICS. 1 Ultraviolet Transmittance: 2% Maximum 2 Visible Light Transmittance: 51% Minimum 3 Total Solar Energy Transmittance: 18% Maximum 4 Visible Light Reflectance: 9% Maximum 5 Total Solar Energy Reflectance: 8% Minimum 6 Winter Night Time U+Value:..24 Maximum 7 Summer Day Time U+Value:..21 Maximum 8. Shading Coefficient.26 Maximum 9. Solar heat gain coefficient.23 Maximum D. TYPE G$2 Obscure Insulated Glass Units 1. Outer pane of type A glass, inner pane of type C glass. 2. Place Low+E coating on No. 2 surface within the unit 3. Total unit thickness of 1 inch minimum. 4. Units to be used on aluminum windows 5 TECHNOFORM air spacer with argon gas. KenmoreTown of Tonawanda UFSD Phase 2C Main Project

5 E. TYPE G+2 INSULATED PERFORMANCE CHARACTERISTICS. 1. Ultraviolet Transmittance: 2% Maximum 2. Visible Light Transmittance: 50% Minimum 8 Total Solar Energy Transmittance: 17% Maximum 9 Visible Light Reflectance: 9% Maximum 10 Total Solar Energy Reflectance: 8% Minimum 11 Winter Night Time U+Value:..24 Maximum 12 Summer Day Time U+Value:..21 Maximum 8. Shading Coefficient.26 Maximum 9. Solar heat gain coefficient.23 Maximum 2.04 GLAZING COMPOUNDS A. Manufacturers: 1. Dow Coring Corp. 2. GE Silicones. B. Silicone Sealant: Single component; solvent curing, capable of water immersion without loss of properties, non+bleeding, non+staining, cured Shore A hardness of 15 to 25, aluminum or clear color. As required by curtain wall component manufacturer GLAZING ACCESSORIES A. Manufacturers: 1. Pecora Corp. 2. Tremco Inc. B. Setting Blocks: Neoprene, 80 to 90 Shore A durometer hardness, ASTM C 864 Option 1. Length of.01 inch for each square foot of glazing or minimum 4 inch x width of glazing rabbet space minus 1/16 inch x height to suit glazing method and pane weight and area. C. Spaces Shims: Neoprene, 50 to 60 Shore A durometer hardness, ASTM C 864 Option 1. Minimum 3 inch long x one half the height of the glazing stop x thickness to suit application, self adhesive on one face. D. Glazing Gaskets: Resilient silicone extruded shape to suit glazing channel retaining slot; ASTM C 864 Option 1, gray color. E. Glazing Clips: Manufacturer s standard type. KenmoreTown of Tonawanda UFSD Phase 2C Main Project

6 PART 3 $ EXECUTION 3.01 EXAMINATION A. Verify that openings for glazing are correctly sized and within tolerance. B. Verify that surfaces of glazing channels or recesses are clean, free of obstructions that may impede moisture movements, weeps are clear, and ready to receive glazing PREPARATION A. Clean contact surfaces with solvent and wipe dry. B. Seal porous glazing channels or recesses with substrate compatible primer or sealer. C Prime surfaces scheduled to receive sealant. D All glass for display case shelves and doors to have radiused ground and polished edges EXTERIOR $ WET/DRY METHOD (PREFORMED TAPE AND SEALANT) A. Cut glazing tape to length and set against permanent stops, 3/16 inch below sight line. Seal corners by butting tape and dabbing with butyl sealant. B. Apply heel bead of butyl sealant along intersection of permanent stop with frame ensuring full perimeter seal between glass and frame to complete the continuity of the air and vapor seal. C. Place setting blocks at 1/4 points with edge block no more than 6 inches from corners. D. Rest glazing on setting blocks and push against tape and heel bead of sealant with sufficient pressure to attain full contact at perimeter of pane or glass unit. E. Install removable stops, with spacer strips inserted between glazing and applied stops, 1/4 inch below sight line. F. Fill gap between glazing and stop with silicone type sealant to depth equal to bite of frame on glazing, but not more than 3/8 inch below sight line. G. Apply cap bead of silicone sealant along void between the stop and the glazing, to uniform line, flush with sight line. Tool or wipe sealant surface smooth. KenmoreTown of Tonawanda UFSD Phase 2C Main Project

7 3.04 INTERIOR $ DRY METHOD (TAPE AND TAPE) A. Cut glazing tape to length and set against permanent stops, projecting 1/16 inch above sight line. B. Place setting blocks at 1/4 points with edge block no more than 6 inches from corners. C. Rest glazing on setting blocks and push against tape for full contact at perimeter of pane or unit. D. Place glazing tape on free perimeter of glazing in same manner described above. E. Install removable stops without displacement of tape. Exert pressure on tape for full continuous contact RESCUE WINDOW IDENTIFICATION For bright yellow with black letters, 3 x 5, text to read: Rescue Window: + readable from each side of the window..locate in lower corner of the latch side of each window MANUFACTURER'S FIELD SERVICES A. Glass product manufacturers to provide field surveillance of the installation of their products under provisions of Section B. Monitor and report installation procedures, unacceptable conditions, damaged materials and improper seal CLEANING A. Clean work under provisions of B. Remove glazing materials from finish surfaces. C. Remove labels after work is complete. A. Wash all installed glass inside and out PROTECTION OF FINISHED WORK A. Protect finished Work under provisions of Section B. After installation, mark pane with an 'X' by using removable plastic tape or paste. Do not mark heat absorbing or reflective glass units. B. Remove and replace glass, which is broken, chipped, cracked, abraded or damaged in other ways during the construction period. END OF SECTION KenmoreTown of Tonawanda UFSD Phase 2C Main Project

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