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- SECTION 08842
-
- POLYCARBONATE SHEET GLAZING (XL10)
- NOTE ** GE Plastics LEXAN(R) XL10 UV-resistant
- polycarbonate sheet.
- NOTE **
- NOTE ** This section is based products manufactured by GE
- Plastics Structured Products at the following
- address:
- NOTE ** One Plastics Avenue
- NOTE ** Pittsfield, MA 01201
- NOTE ** Tel: (800) 752-7674, ext.234
- NOTE ** Fax: (413) 448-5478
- NOTE **
- NOTE ** GE Plastics Structured Products offers a complete
- line of plastic glazing products for use where
- glass products cannot meet performance requirements
- required.
- NOTE **
- NOTE ** SECTION 08842 - POLYCARBONATE SHEET GLAZING,
- Copyright 1997, The Architect's Catalog, Inc.
-
-
- PART 1 GENERAL
-
- 1.1 SECTION INCLUDES
- NOTE ** Delete items below not required for project.
-
- A. Plastic Glazing.
-
- B. Accessories for installation of plastic glazing.
-
- 1.2 RELATED SECTIONS
- NOTE ** Add sections relevant to this project as required.
-
- A. Section 08800 - Glazing.
-
- 1.3 REFERENCES
- NOTE ** Delete references from the list below that are not
- actually required by the text of the edited
- section.
-
- A. 16 CFR 1201 - Safety Standard for Architectural Glazing
- Materials.
-
- B. ANSI Z97.1 - American National Standard for Glazing
- Materials Used in Buildings.
-
- C. ASTM C 1045 - Standard Practice for Calculating Thermal
- Transmission Properties from Steady-State Heat Flux
- Measurements.
-
- D. ASTM D 635 - Standard Test Method for Rate of Burning
- and/or Extent and Time of Burning of Self-Supporting
- Plastics in a Horizontal Position.
-
- E. ASTM D 648 - Standard Test Method for Deflection
- Temperature of Plastics Under Flexural Load.
-
- F. ASTM D 696 - Standard Test Method for Coefficient of
- Linear Thermal Expansion.
-
- G. ASTM D 790/ASTM D 790M - Standard Test Method for
- Flexural Properties of Unreinforced and Reinforced
- Plastics and Electrical Insulating Materials.
-
- H. ASTM D 1003 - Standard Test Method for Haze and Luminous
- Transmittance of Transparent Plastics.
-
- I. ASTM D 1929 - Standard Test Method for Ignition
- Properties of Plastics.
-
- J. ASTM D 2843 - Standard Test Method for Density of Smoke
- from the Burning and Decomposition of Plastics.
-
- K. ASTM D 4065 - Standard Practice for Determining and
- Reporting Dynamic Mechanical Properties of Plastics.
-
-
- L. ASTM G 53 - Standard Practice for Operating Light and
- Exposure Apparatus (Fluorescent UV-Condensation Type) for
- Exposure of Non-Metallic Materials.
-
- M. ISO 9002 - Quality System - Model for Quality Assurance
- in Production, Installation, and Servicing.
-
- 1.4 SYSTEM DESCRIPTION
- NOTE ** Edit the following paragraph for project
- requirements; delete requirements that do not
- apply. Delete entire paragraph if material sizes
- and thicknesses are specified.
-
- A. Design requirements for installed plastic glazing
- systems:
- 1. Wind Resistance:
- a. Positive pressure: ___ psf (___ kPa).
- b. Negative pressure: ___ psf (___kPa).
- 2. Wind Uplift: ___ psf (___ kPa).
- 3. Air infiltration: ____ cubic feet per minute (cu
- m/hr).
- 4. Water infiltration: ____ cubic feet per minute (__
- cu m/hr).
-
- B. Performance Requirements for Polycarbonate Sheet Glazing:
- 1. Comply with requirements of 16 CFR 1201 and ANSI
- Z97.1.
- 2. Weather resistance, when tested in accordance with
- ASTM G 53 for 3500 hours with QUV Weather Tester with
- 313B lamps:
- a. Light transmission when tested in accordance with
- ASTM D 1003: Change not to exceed 2 percent.
- b. Yellowness index (0-3500): Change not to exceed
- 4 percent.
- c. Percent haze when tested in accordance with ASTM
- D 1003: Change not to exceed 10 percent.
- d. Coating integrity intact after testing period.
- 3. Coefficient of expansion, when tested in accordance
- with ASTM D 696: 0.0000375 per degree F (0.0000675
- per degree C).
- 4. Modulus of elasticity, when tested in accordance with
- ASTM D 4065: 340,000 pounds per square inch (2,344
- MPa).
- 5. Flexural strength, when tested in accordance with
- ASTM D 790: 13,500 pounds per square inch (93 MPa).
- 6. Flammability Class: BOCA Class C1, UBC Class CC1,
- SBC Class CC1, Dade County Florida approved.
- 7. Deflection temperature, when tested in accordance
- with ASTM D 648: 270 degrees F (132 degrees C) under
- 274 pounds per square inch (1.99 MPa) load.
- 8. Flammability, when tested in accordance with ASTM D
- 635: Extent of burning 1 inch (25 mm) or less.
- 9. Ignition temperature, when tested in accordance with
- ASTM D 1929: 650 degrees F (343 degrees C) or
- greater.
- 10. Smoke density, when tested in accordance with ASTM D
- 2843: 75, maximum.
- 11. Allowable continuous service temperature: 250
- degrees F (121 degrees C).
-
- 1.5 SUBMITTALS
-
- A. Submit under provisions of Section 01300.
-
- B. Product Data: Manufacturer's descriptive literature for
- each glazing type specified, including documentation of
- code compliance; include descriptive literature for
- recommended installation accessories.
- NOTE ** Delete the following paragraph if colors are
- specified in this section.
-
- C. Selection Samples: Two sets of color chips representing
- manufacturer's full range of available colors.
-
- D. Verification Samples: Two samples, minimum size 6 inches
- square, representing actual color and finish of products
- to be installed.
-
- E. Quality Control Submittals:
- NOTE ** Delete the following sub-paragraph if no design
- requirements are specified in SYSTEM DESCRIPTION
- Article in this section.
- 1. Design Data: System analysis by manufacturer
- verifying compliance of plastic glazing assemblies to
- specified design requirements; include details of
- glazing edge engagement, and allowance for
- anticipated thermal movements.
- 2. Manufacturer Qualifications: Documentation of
- specified manufacturer qualifications.
- 3. Manufacturer's Instructions: Printed installation
- instructions for plastic glazing; include recommended
- glazing techniques and installation accessories.
-
- F. Operation and maintenance data: Printed instructions on
- recommended cleaning and maintenance materials and
- methods.
-
- G. Warranty documents: Issued and executed by manufacturer.
-
- 1.6 QUALITY ASSURANCE
-
- A. Manufacturer Qualifications:
- 1. Minimum ten (10) years experience producing plastic
- glazing products.
- 2. Minimum five (5) completed projects on which
- manufacturer has supplied plastic glazing, similar in
- type and scope to this project; each completed
- project to be minimum five (5) years old.
- 3. ISO 9002 registered.
-
- B. Regulatory Requirements: Glazing materials to comply
- with the following building code:
- NOTE ** Delete any codes listed in the sub-paragraphs below
- which do not apply to project.
- 1. BOCA Class C1.
- 2. ICBO Class CC1.
- 3. SBCCI Class CC1.
- 4. Dade County FL.
-
- C. Mock-Ups: Supply materials for mock-ups required in
- affected sections.
-
- 1.7 DELIVERY, STORAGE, AND HANDLING
-
- A. Do not slide, drag, or drop polycarbonate sheet
- materials.
-
- B. Do not store polycarbonate sheet materials in areas
- subject to direct UV exposure.
-
- C. Store products of this section with manufacturer's
- protective film intact.
-
- D. Maintain storage area in accordance with plastic glazing
- manufacturer's instructions until installation of
- products.
-
- 1.8 WARRANTY
-
- A. Manufacturer's Warranty: Ten (10) year warranty against
- defects in materials, including breakage, discoloration,
- loss of light transmission, and coating delamination.
-
-
- PART 2 PRODUCTS
-
- 2.1 MANUFACTURERS
-
- A. Acceptable Manufacturer: GE Plastics Structured
- Products; One Plastics Avenue, Pittsfield, MA 01201. ASD.
- Tel: (800) 752-7674, extension 8234; Fax: (413) 448-5478.
- NOTE ** Delete one of the two following paragraphs;
- coordinate with Division 01 requirements.
-
- B. Requests for substitution will be considered in
- accordance with provisions of Section 01600.
-
- C. Substitutions: Not permitted.
-
- 2.2 MATERIALS
-
- NOTE ** If more than one type of polycarbonate sheet is
- required, copy the following paragraph with its sub-
- paragraphs and edit each copy to suit requirements.
- Give each type a unique identifier to locate the
- types on the drawings.
-
- A. Polycarbonate Sheet Glazing: LEXAN(R) XL10 translucent
- thermoformable polycarbonate sheet with UV-resistant
- surface treatment.
- NOTE ** Obtain available thicknesses, colors, light
- transmission, shading coefficients, and U-values
- from manufacturer. Enter appropriate values in
- blanks below.
- 1. Sheet thickness: ___ inch (____ mm) nominal, plus or
- minus 5 percent.
- 2. Color: ________.
- 3. Light transmission: ___ percent.
- 4. Shading coefficient: _____.
- 5. Insulating value (U-value): ____ (____ metric
- equivalent), as determined by calculations based on
- test data, in accordance with ASHRAE procedures.
-
- B. Accessories: Supply joint sealers and installation
- accessories specified in polycarbonate sheet
- manufacturer's instructions, or approved by polycarbonate
- sheet manufacturer, for indicated installation
- conditions.
-
-
- PART 3 EXECUTION
-
- 3.1 EXAMINATION
-
- A. Verification of Conditions:
- 1. Openings are in accordance with approved shop
- drawings required in Section 08800 and polycarbonate
- sheet manufacturer's instructions, and are plumb and
- level to required tolerances.
- 2. Glazing channels or recesses are sized for correct
- glazing edge engagement.
-
- 3.2 PREPARATION
-
- A. Clean glazing channels or recesses free of obstructions,
- soil, debris, and other materials.
-
- B. Seal porous glazing channels or recesses with primer-
- sealer compatible with substrate and polycarbonate sheet
- materials.
-
- C. Cut polycarbonate sheet materials to exact sizes
- required, with clean edges free of notches; clean contact
- edges with solvent compatible with polycarbonate sheet
- materials, as specified or approved by polycarbonate
- sheet manufacturer.
-
- 3.3 INSTALLATION
-
- A. Install plastic glazing in accordance with polycarbonate
- sheet manufacturer's instructions.
-
- B. Do not use glazing accessories not specified or approved
- by polycarbonate sheet manufacturer.
-
- 3.4 CLEANING
-
- A. Immediately after completing construction activities
- relating to installation of polycarbonate sheet
- materials, remove remainder of strippable masking from
- surfaces of polycarbonate sheet glazing; do not expose
- masking to sunlight for an extended period of time.
-
- B. Immediately after removing masking, clean glazing in
- accordance with polycarbonate sheet manufacturer's
- instructions:
- 1. Rinse surface with lukewarm water.
- 2. Wash surface with mild soap and lukewarm water.
- 3. Use soft cloth or sponge gently to loosen dirt and
- grime; scrubbing glazing surfaces, or using squeegee
- on glazing surfaces, is not permitted.
- 4. Repeat rinse as above, then wipe surface dry with
- soft cloth until surfaces are spotless and dry.
-
- 3.5 PROTECTION OF INSTALLED PRODUCTS
-
- A. Immediately after cleaning, cover polycarbonate sheet
- glazing surfaces with polyethylene sheeting, or other
- covering material approved by polycarbonate sheet
- manufacturer; secure covering in place by taping to
- framing members - do not tape covering to polycarbonate
- sheet materials.
-
- B. Protect installed glazing from damage to function or
- finish by subsequent construction activities.
-
- C. Repair minor damage to finishes in accordance with
- polycarbonate sheet manufacturer's recommendations.
-
- D. Replace glazing having damage to function, and glazing
- having damage to finishes which cannot be repaired to
- Architect's acceptance.
-
-
- END OF SECTION
-