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- SECTION 07430
-
- COMPOSITE PANELS
- NOTE ** This section is based on NorCore(R) plastic
- honeycombed core materials, as manufactured by
- Norfield Corporation, located at the following
- address:
- NOTE **
- NOTE ** Norfield Corporation
- NOTE ** 36 Kenosia Avenue
- NOTE ** Danbury, CT 06810
- NOTE **
- NOTE ** General Information, Technical Support: 203-792-
- 5110
- NOTE ** FAX: 203-797-0390
- NOTE **
- NOTE ** The Norcore product is a state-of-the-art plastic
- honeycomb configured core material developed and
- produced to serve as a lightweight, structurally
- rigid substrate. Various surfacing materials can
- be bonded to Norcore, resulting in composite panels
- of superior strength, flatness, moisture
- resistance, thermal resistance, shock resistance,
- sound reduction, and overall durability.
- NOTE **
- NOTE ** SECTION 07430 - COMPOSITE PANELS, Copyright 1996,
- The Architect's Catalog, Inc.
-
-
- PART 1 GENERAL
-
- 1.1 SECTION INCLUDES
- NOTE ** Delete items below not required for project.
- NorCore panels can be surfaced with many types of
- building materials including lightweight stone,
- concrete, solid polymer surfacing material, brick,
- glass, metals, plastic, and wood; insert surfacing
- material to be used in the following paragraphs as
- appropriate. Consult manufacturer to discuss
- requirements of your project.
-
- A. Exterior application of __________-surfaced composite
- panels.
-
- B. Interior application of __________-surfaced composite
- panels.
-
- C. Panel edging.
-
- D. Concealed connection and anchorage hardware.
-
- E. Structural adhesives and sealants.
-
- 1.2 RELATED SECTIONS
- NOTE ** Delete any sections below not relevant to this
- project; add others as required.
-
- A. Section 05400 - Cold Formed Metal Framing: Structural
- support for exterior composite panels.
-
- B. Section 07620 - Sheet Metal Flashing and Trim: Flashing
- for exterior composite panels.
-
- C. Section 07900 - Joint Sealers: Sealant at panel joints
- and edges.
-
- D. Section 09260 - Gypsum Board Assemblies: Substrate for
- interior composite panels.
-
- 1.3 REFERENCES
- NOTE ** Delete references from the list below that are not
- actually required by the text of the edited
- section.
-
- A. AAMA 501.1 - Standard Test Method for Metal Curtain Walls
- for Water Penetration Using Dynamic Pressure; American
- Architectural Manufacturers Association.
-
- B. ASTM C 365 - Standard Test Method for Flatwise
- Compressive Strength of Sandwich Cores.
-
- C. ASTM C 384 - Standard Test Method for Impedance and
- Absorption of Acoustical Materials by the Impedance Tube
- Method.
-
- D. ASTM C 393 - Standard Test Method for Flexural Properties
- of Flat Sandwich Constructions.
-
- E. ASTM C 518 - Standard Test Method for Steady-State Heat
- Flux Measurements and Thermal Transmission Properties by
- Means of the Heat Flow Meter Apparatus.
-
- F. ASTM D 570 - Standard Test Method for Water Absorption of
- Plastics.
-
- G. ASTM D 790 - Standard Test Methods for Flexural
- Properties of Plastics and Electrical Insulating
- Materials.
-
- H. D 3029 - Standard Test Method for Impact Resistance of
- Flat Rigid Plastic Specimens by Means of a Tup (Falling
- Weight).
-
- I. ASTM E 84 - Standard Test Method for Surface Burning
- Characteristics of Building Materials.
-
- J. ASTM E 283 - Standard Test Method for Determining the
- Rate of Air Leakage Through Exterior Windows, Curtain
- Walls, and Doors Under Specified Pressure Differences
- Across the Specimen.
-
- K. ASTM E 330 - Standard Test Method for Structural
- Performance of Exterior Windows, Curtain Walls, and Doors
- By Uniform Static Air Pressure Difference
-
- L. ASTM E 331 - Standard Test Method for Water Penetration
- of Exterior Windows, Curtain Walls, and Doors By Uniform
- Static Air Pressure Difference
-
- M. UL 94 - Tests for Flammability of Plastic Materials for
- Parts in Devices and Appliances
-
-
- 1.4 PERFORMANCE REQUIREMENTS
- NOTE ** This article is generally applicable only to
- exterior curtain wall systems. Delete the entire
- article, or modify the requirements for
- installations that are more or less critical.
- NOTE **
- NOTE ** The specific performance requirements included
- below are typical examples only. Note that
- different core materials, core thicknesses, and
- skin materials can be used to achieve very
- different performance levels. Contact manufacturer
- for additional information.
-
- A. Structural: Tested per ASTM E 330 at a design pressure
- of ____ psf, with maximum deflection of L/180 and
- certified to be without permanent deformation or
- structural failures.
-
- B. Air Infiltration: Not more than 0.06 cfm per square foot
- of wall area, when tested at 1.57 psf per ASTM E 283.
-
- C. Water Infiltration: No uncontrolled water penetration
- under static pressure when tested per ASTM E 331 at 6.24
- psf minimum for fifteen minutes.
-
- D. Dynamic Water Penetration: No uncontrolled water
- penetration when tested at ___ mph per AAMA 501.1.
-
- E. Fire: Flame spread 10 maximum; smoke developed 195
- maximum; per ASTM E 84.
-
- F. Toxicity Evaluation: No more toxic than Douglas fir, per
- University of Pittsburgh Test Method.
-
- G. Multi-Story Fire Evaluation: Meet acceptance criteria of
- UBC 17-6.
-
- 1.5 SUBMITTALS
-
- A. Submit under provisions of Section 01300.
-
- B. Product Data: Specifications, installation instructions,
- and manufacturer's recommendations for protection and
- cleaning of completed installation.
-
- C. Shop Drawings: Show overall layout of panel system,
- indicating joint locations and sizes. Include complete
- details of support and attachment systems, in addition to
- details for corners, panel meeting conditions, and edges.
-
- D. Selection Samples: Color charts or actual samples
- illustrating full range of available surface finishing
- materials.
-
- E. Verification Samples: 12 x 12 inch sample panels in
- thickness and finish specified, including clips, anchors,
- and other accessories to illustrate finished appearance
- of composite panels.
-
- F. Test Data: Submit summary of independent testing
- laboratory report on results of performance tests,
- indicating compliance with specified performance levels.
-
- G. References: Submit references specified under Quality
- Assurance.
-
- 1.6 QUALITY ASSURANCE
-
- A. Manufacturer Qualifications: Company with a minimum of
- five years of demonstrated capacity to produce composite
- reinforced panels of the type specified in this section
- and meeting the performance requirements included.
- 1. Company shall have completed independent laboratory
- tests illustrating manufacturer's ability to provide
- panels of performance levels specified herein.
- 2. References from five or more projects of similar size
- and scope completed within the past three years.
-
- B. Installer Qualifications: Experienced installers trained
- by manufacturer of composite panels.
-
- 1.7 DELIVERY, STORAGE, AND HANDLING
-
- A. Protection: Protect finish of panels in accordance with
- instructions of panel manufacturer.
-
- B. Delivery and Handling: Package composite panels for
- protection against transportation damage. Exercise care
- in unloading and storing panels to prevent bending,
- warping, and surface damage.
-
- C. Storage: Store flat under cover until project
- installation begins.
-
- 1.8 WARRANTY
-
- A. Provide manufacturer's standard warranty against defects
- in the panel or delamination of panel components.
-
-
- PART 2 PRODUCTS
-
- 2.1 MANUFACTURERS
-
- A. The design is based on NorCore(R) composite panels as
- manufactured by Norfield Corporation; 356 Kenosia Avenue;
- Danbury, CT 06810. Telephone: 203-792-5110 for general
- information and technical support; 203-797-0390.
-
- B. Substitutions: Comply with requirements of Section
- 01600.
- NOTE ** Delete the paragraph above or below.
-
- C. Substitutions are not permitted.
-
- 2.2 MATERIALS
- NOTE ** If performance requirements have been specified,
- the first paragraph below would normally be used.
- If second paragraph is used, insert core material
- and thickness requirement, if appropriate - NorCore
- panels are available in thicknesses from 1/4 inch
- to 3 inches; obtain required performance
- characteristics for specific core type and
- thickness from manufacturer. In addition to the
- materials listed below, others are possible.
- NOTE **
- NOTE ** ABS is used for its high rigidity, high impact
- strength and toughness, excellent surface hardness,
- and dimensional stability.
- NOTE **
- NOTE ** Polypropylene exhibits high chemical resistance.
- NOTE **
- NOTE ** Polycarbonate is UV stabilized, has excellent light
- transmission, heat resistance, and self-
- extinguishing properties.
- NOTE **
- NOTE ** High-impact polystyrene is a general purpose core
- material.
-
- A. Core Material: Honeycomb thermoplastic material
- engineered by manufacturer to meet performance
- requirements when laminated with specified face material.
-
- B. Core Material: ________________ sheet expanded to form
- smooth-faced honeycomb panel ___ inches thick, conforming
- to the following:
- 1. Weight: __________ pounds per square foot, nominal.
- 2. Flexural strength, in accordance with ASTM C 393 and
- ASTM D 790: _____________ pounds per square inch.
- 3. Flexural modulus, in accordance with ASTM C 393 and
- ASTM D 790: _____________ pounds per square inch.
- 4. Compressive strength, in accordance with ASTM C 365:
- _____________ pounds per square inch.
- 5. Water absorption, in accordance with ASTM D 570:
- ____ percent by weight.
- 6. Thermal resistance, in accordance with ASTM C 518:
- _____________ pounds per square inch.
- 7. Sound transmission loss, in accordance with ASTM C
- 384: ______ decibels.
- 8. Impact resistance and deflection, in accordance with
- ASTM D 3029: ______ inch.
- 9. Fire resistance, in accordance with ASTM E 84 and UL
- 94: _____________.
- 10. Wind load capacity: _____________ pounds per square
- foot.
- NOTE ** If panels are to have stone facing, select the
- paragraph below and complete description.
-
- C. Panel Facing: Stone veneer; __________ natural stone,
- _______ color, ___ inch thick +/- ___ inch, with ________
- finish.
-
- NOTE ** If panels are to be faced with metal, select one of
- the paragraphs below, complete metal facing
- description, and delete the others.
-
- D. Panel Facing: _________________, _______ inch thickness,
- in finish to match Architect's sample.
-
- E. Panel Facing: _________________, _______ inch thickness,
- ______________ finish.
- NOTE ** Specify wall panel edging material, if required, in
- one of the following two paragraphs; delete both if
- not required.
-
- F. Panel Edging Material: ______________, __________ inch
- thick.
-
- G. Pnnanel Edging Material: Same material, thickness, and
- finish as face material.
-
- 2.3 ACCESSORIES
-
- A. Connection and Anchorage Hardware: Provide all hardware
- for connecting composite panels to substrate, including
- kerf clips, z-clips, angle clips, and threaded inserts,
- as detailed in approved shop drawings.
- 1. Provide hardware of sufficient size, thickness, and
- strength to support panels securely against applied
- loads.
- 2. Conceal all fasteners.
- NOTE ** Delete paragraph below if not required.
-
- B. Structural Silicone: Provide structural silicone for
- support of composite panels as specified in Section
- 07900.
-
- C. Joint Sealers: Provide joint sealers for panel to panel
- joints and edge conditions as specified in Section 07900.
-
- D. Adhesives: Types recommended by manufacturer for project
- conditions.
-
- 2.4 FABRICATION
-
- A. Shop fabricate composite panels by laminating face
- materials to structural plastic core, producing composite
- panels with performance characteristics not less than
- those specified.
-
- B. Properties of Finished Panels:
- 1. Overall thickness: As required to achieve structural
- properties.
- 2. Overall thickness: ______ inches.
- 3. Panel size: 4 by 8 feet.
- 4. Panel size: 4 by 10 feet.
- 5. Panel size: 5 by 10 feet.
- 6. Panel size: As indicated on the drawings.
- 7. Dimensional tolerance: Plus or minus 1/16 inch in
- all directions, including diagonally.
-
-
- PART 3 EXECUTION
-
- 3.1 EXAMINATION
-
- A. Verify that conditions are acceptable for installation of
- composite panels before beginning the work; do not
- proceed until unsatisfactory conditions have been
- corrected.
-
- 3.2 INSTALLATION
-
- A. Install composite panels in accordance with the
- instructions and recommendations of the panel
- manufacturer, except where more stringent requirements
- are set forth in the drawings and specifications.
-
- B. Install composite panels plumb, level, and true to line,
- in accordance with approved shop drawings and with all
- fasteners concealed.
-
- C. Installation Tolerances: Maximum deviation from line or
- plane: 1/8 inch in 10 feet, non-cumulative.
-
- D. Joint Sealers: Install joint sealers in accordance with
- approved shop drawing details and to comply with
- requirements of Section 07900.
-
- 3.3 ADJUSTING AND CLEANING
-
- A. Cleaning: Clean all dirt, adhesives, and joint sealer
- from panels and adjacent surfaces, using detergents or
- solvents as appropriate to surfaces and as approved by
- the composite panel manufacturer.
-
- B. Adjusting: Touch up minor mars and chipped surfaces to
- match adjacent undamaged areas, to the approval of the
- Architect. Replace damaged panels that cannot be touched
- up to achieve a satisfactory appearance.
-
-
- END OF SECTION
-