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Completing Your Specification for
TRANSLUCENT WALL ASSEMBLIES
(ThermaLite Plus)
08 45 13

Instructions:

Step 1. (The script highlighted in RED and enclosed in brackets is intended to be instructions for that portion of the specifications) After completing the task, which usually requires making a selection, delete the Red script from the specification.

Step 2.  (Scripts highlighted in BLUE are selection items.)  Change the item you want to use to BLACK text and delete all the other Blue text in that area of the specification.

Step 3.  Add the project name at the top of each page and the correct page numbering system at the bottom.

Step 4.  Delete this page from your new specification and copy and paste it into your master specification document.

Please call Crystal Structures/Sunshine Rooms at 316-838-0033  for any help with this specification or other issues (such as component sizing, special glazing requirements, or for drawing details) regarding your translucent wall assembly design.

TRANSLUCENT WALL ASSEMBLIES

(ThermaLite Plus)

SECTION 107300

PART 1 – GENERAL

  • Description of Work

  1. Furnish all materials, labor, and related services required to provide structured polycarbonate wall assemblies(s) as specified on drawings and in this section.
  2. Work is limited to the translucent wall assembly system only and includes the following:
    1. Aluminum framing and compatible flashing (additional structural support as depicted in the architectural and structural drawings shall be supplied by other trades)
    2. Glazing and all necessary glazing gaskets and tapes
    3. Installation shall be by a factory-approved installation company

  • Performance Requirements

  1. Deflection – All load-bearing members under any design load combination (including dead load) shall not exceed L/120 of its clear span
  2. Air Infiltration – Complies with testing per ASTM-E283-04 and shall meet or exceed <0.01cfm/ft2
  3. Static Water Resistance – Complies with testing per ASTM-E331 and shall meet or exceed 527Pa (11.0psf)
  4. Wind Load – Withstands wind loads based on ANSI-A58.1/ASCE-7 guidelines and 90 mph wind, exposure C, per Uniform Building Code
  5. Wind Load: 90 mph psf on vertical projected areas or as required by the governing building code in which the structure is located, whichever is greater
  6. Local building load requirements may supersede these minimums
  7. Plastic Self-Ignition Temperature: 650 deg F or more per ASTM D1929
  8. Smoke-Developed Index: 450 or less per ASTM E 84, or 75 or less per ASTM D2843
  9. Flame-Spread Index: Not more than 25 per ASTM E 84
  10. Combustibility Classification: Class CC1 per ASTM D635
  11. Color Tolerance: Passes IBC 2006 requirements per ASTM E 308, ASTM E313 and ASTM G 155
  12. Provide a pre-engineered weepage system that collects condensation and directs it to the exterior of the enclosure
  13. Framing members shall be thermally broken
  14. 4 1/2” Polycarbonate Assembly Glazing Performance Requirements:
    1. Crystal over Crystal

                        Visible Light Transmittance               49%
                        Shading Coefficient                            .64
                        Solar Heat Gain Coefficient               .56
                        R Value                                               5.5
                        U Factor                                              .18

    1. Opal over Crystal
      Visible Light Transmittance               27%
      Shading Coefficient                            .48
      Solar Heat Gain Coefficient               .42
      R Value                                               5.5
      U Factor                                              .18
    1. Opal over Opal
      Visible Light Transmittance               14
      Shading Coefficient                            .36
      Solar Heat Gain Coefficient               .31
      R Value                                               5.5
      U Factor                                              .18
    1. Crystal over Bronze
      Visible Light Transmittance               32
      Shading Coefficient                            .46
      Solar Heat Gain Coefficient               .40
      R Value                                               5.5
      U Factor                                              .08

(Call for other combinations that can include gray, green and blue options
      – OR –
As specified in Section 08800 “Glazing”
{Add type, makeup and performance in that section}

  • Submittals

  1. Shop Drawings – Submit (list quantity) copies of complete shop drawings to the architect for approval prior to any fabrication

– OR –

  1. Submit electronic copies of complete drawings electronically by e-mail or downloaded to the projects cloud management folder
    1. Samples
      1. 2 ea. 12” structural glazing extrusions
      2. 2 ea. 12” x 12” glazing units
      3. 2 ea. frame color samples
  2. Provide engineering showing the structural integrity of the system, stamped by an engineer licensed in the state where the project is located by the method listed above. (Note: Stamped shop drawings and engineering can be provided after the initial set of shop drawings have been returned with the architect’s review or comments)

  • Warranty

  1. Translucent wall assembly manufacturer shall warrant that the product shall be free of defects in material and workmanship for a period of ten years
  2. Wall assembly manufacturer shall warrant structured polycarbonate glazing assembly for a period of ten years. The product will not undergo a loss in light transmission in excess of 6% of its original value or a change in yellowness index in excess of allowable values in accordance with ASTM 1003-95 and ASTM 313-73 standards respectively. Product failure also includes a loss of impact strength within the parameters of ASTM D-2658 standards.
  3. Wall assembly manufacturer shall warrant the frame finish shall be free of defects and shall not fade within acceptable trade standards: (Select finish)
    1. Polycron (AAMA2603) – 5 years
    2. Class I Anodized finish – 10 years
    3. 2-Coat flouropolymer paint finish (AAMA 2604) -10 years
    4. 3-Coat flouropolymer paint finish (AAMA 2605) – 15 to 20 years

Note: Non-visible aluminum shall be clear anodized

  1. Installer shall guarantee the system will be watertight for a period of five years

PART 2 – PRODUCTS

  • Acceptable Manufacturers and Model:

ThermaLite Plus Structured Polycarbonate Wall Assembly by
Crystal Structures, Commercial Division of Sunshine Rooms, Inc.
3333 N. Mead
Wichita, KS  67219
316-838-0033

  1. Substitute manufacturers shall not be considered unless they have been approved in writing no less than ten days prior to bid date.  Only those manufacturers shall be considered as approved suppliers with products in strict conformity with this Section of the specifications and with the Contract drawings details.  Complete details and specifications must accompany requests for approval from translucent wall assembly manufacturer.

  • Materials

  1. Structural Framing System
    1. Frame: Thermalite Plus thermally enhanced system consisting of thermal brakes, gaskets and closed cell tape
    2. Aluminum members shall be extruded aluminum 6005-T5 or 6061 T6 alloy; non-structural members shall be 6063-T5
  1. System shall be thermally enhanced throughout. Thermal break materials shall be polyurethane.
  2. System shall utilize pressure glazing caps to secure the glazing and all caps and fasteners shall be covered with a snap in trim piece designed to cover all fasteners.
  3. System shall incorporate Tear-Duct Weepage Control SystemTM by Crystal Structures. Internal and external moisture diversion channels shall be extruded in the aluminum bars to direct moisture to the outside of the unit.  Condensation channels shall drain into a sloping sill and to the exterior of the wall assembly. Sill weep slots shall have hinged covers.
  4. Panels shall be joined together with an internal clear anodized aluminum internal TriLock receiver with Santoprene gaskets.
  5. Color Selection: (Select one)
    1. All exposed aluminum extrusions shall be finished with electrostatically-applied baked PPG Polycron enamel. Finish meets AAMA specification 2603.  Choose from the manufacturer’s standard colors (bronze or white)
    2. Or Class I anodized in a color selected by the architect

      Or two-coat fluoropolymer paint in a color selected by the architect from manufacturer’s standard options
      Or three coat fluoropolymer paint in a color selected by the architect from manufacturer’s standard option.

  1. Glazing: (Select either 1 or 2)
    1. Manufacturer’s Recommendation:  ThermaLite Plus
      4 1/2” Translucent multi-wall polycarbonate structural sandwich panel system with 2 layers of 10 mm polycarbonate connected with an internal aluminum TriLock receiver.

– OR –

  1. Glazing: As specified in Section 08800 “Glazing”

  2. Fasteners
    All fasteners shall be 18-8 stainless steel. Exposed fasteners are not acceptable.
  3. Gaskets
    1. Gaskets are to be 60-70 durometer Santoprene rubber.
    2. Gaskets shall be designed with four multi-fins
    3. Glass setting blocks shall be 90 durometer EDPM.
  4. Sealants
    1. Sealants shall be 100% silicone to match the color of the exterior frame. In the event the frame color is a custom or unusual color, all caulking shall be black.
  5. VOC Content: 8.1 g/L or Less

 

PART 3 – EXECUTION

3.1        EXAMINATION

  1. Examine areas and conditions, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of the work.
  2. Verify that supporting frame and purling have received final finishes prior to installation of work of this Section.
  3. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2        INSTALLATION

  1. General:
  2. Comply with manufacturer’s written instructions.
  3. Do not install damaged components.
  4. Fit joints between aluminum components to produce hairline joints free of burrs and distortion.
  5. Rigidly secure non-movement joints.
  6. Install anchors with separators and isolaters to prevent metal corrosion, electrolytic deterioration, and immobilization of moving joints.
  7. Seal joints watertight unless otherwise indicated.
  8. Metal Protection: Where aluminum components will contact dissimilar materials, protect against galvanic action by painting contact surfaces with corrosion-resistant coating or by installing nonconductive spacers as recommended in writing by manufacturer for this purpose.
  9. Install components plumb and true in alignment with established lines and elevations.
  10. Erection Tolerances: Install panel assemblies to comply with the following maximum tolerances:
  11. Alignment: Limit offset from true alignment to 1/32 inch where surfaces abut in line, edge to edge, at corners, or where a reveal or protruding element separates aligned surfaces by less than 3 inches; otherwise, limit offset to 1/8 inch.
  12. Location and Plane: Limit variation from true location and plane to 1/8 inch in 12 feet, but no greater than 1/2 inch over total length.

3.3        CLEANING

  1. Clean translucent polycarbonate panels in accordance with manufacturer’s instructions.
  2. Do not use harsh cleaning materials or methods that would damage metal finish or glazing.

3.4        PROTECTION

  1. Protect installed translucent polycarbonate-panel assemblies from damage during construction.
  2. Remove and replace damaged assembly components as determined by Architect.

END OF SECTION 084513