Copyright 2015 AIAMasterSpec Premium03/15

PRODUCT MASTERSPEC LICENSED BY ARCOM TO METL-SPAN.

Copyright 2015 by The American Institute of Architects (AIA)

Exclusively published and distributed by Architectural Computer Services, Inc. (ARCOM) for the AIA

This Product MasterSpec Section is licensed by ARCOM to Metl-Span ("Licensee").

This Product MasterSpec Section modifies the original MasterSpec text.

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SECTION 074213.19 - INSULATED METAL WALL PANELS

TIPS:

To view non-printing Editor's Notes that provide guidance for editing, click on Masterworks/Single-File Formatting/Toggle/Editor's Notes.

To read detailed research, technical information about products and materials, and coordination checklists, click on Masterworks/Supporting Information.

Revise this Section by deleting and inserting text to meet Project-specific requirements.

This Section uses the term "Architect." Change this term to match that used to identify the design professional as defined in the General and Supplementary Conditions.

Verify that Section titles referenced in this Section are correct for this Project's Specifications; Section titles may have changed.

PART 1 - GENERAL

1.1RELATED DOCUMENTS

Retain or delete this article in all Sections of Project Manual.

  1. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division01 Specification Sections, apply to this Section.

1.2SUMMARY

  1. Section Includes:
  2. Foamed-insulation-core metal wall panels.
  3. Laminated-fire-resistant metal wall panels.
  4. Related Requirements:

Retain subparagraph below to cross-reference requirements Contractor might expect to find in this Section but are specified in other Sections.

  1. Section074293 "Soffit Panels" for metal panels used in horizontal soffit applications.

1.3PREINSTALLATION MEETINGS

Retain "Preinstallation Conference" Paragraph below if Work of this Section is extensive or complex enough to justify a conference.

  1. Preinstallation Conference: Conduct conference at [Project site] <Insert location>.

If needed, insert list of conference participants not mentioned in Section13100 "Project Management and Coordination."

Retain subparagraphs below if additional requirements are necessary; revise to include more specific information about conference.

  1. Meet with Owner, Architect, Owner's insurer if applicable, metal panel Installer, metal panel manufacturer's representative, structural-support Installer, and installers whose work interfaces with or affects metal panels, including installers of doors, windows, and louvers.
  2. Review and finalize construction schedule and verify availability of materials, Installer's personnel, equipment, and facilities needed to make progress and avoid delays.
  3. Review methods and procedures related to metal panel installation, including manufacturer's written instructions.
  4. Examine support conditions for compliance with requirements, including alignment between and attachment to structural members.
  5. Review flashings, special siding details, wall penetrations, openings, and condition of other construction that affect metal panels.
  6. Review governing regulations and requirements for insurance, certificates, and tests and inspections if applicable.
  7. Review temporary protection requirements for metal panel assembly during and after installation.
  8. Review procedures for repair of metal panels damaged after installation.
  9. Document proceedings, including corrective measures and actions required, and furnish copy of record to each participant.

1.4ACTION SUBMITTALS

  1. Product Data: For each type of product.
  2. Include construction details, material descriptions, dimensions of individual components and profiles, and finishes for each type of panel and accessory.
  3. LEED Submittals:
  4. EA – Energy and Atmosphere
  5. EA Credit 1: Optimize Energy Performance.

1)Demonstrating percentage of performance improvement that meets or surpasses ASHRAE/IESNA Standard 90.1.

Insulated metal wall panel will contribute to higher energy efficiency of a building that must comply with a 10 percent improvement in the performance compared to benchmark rating based on ASHRAE/IESNA Standard 90.1-2007 (with errata but without addenda) in EA Prerequisite

  1. EA Credit 2: Minimum Energy Performance
  2. MR – Material and Resource
  3. MR Credit 1.1 & 1.2: Building Reuse

1)Maintain Existing Walls, Floors & Roof

2)Maintain Interior Non-Structural Elements

  1. MR Credit 3: Materials Reuse
  2. MR Credit 4: Recycled Content

1)Percentage weight of post-consumer and pre-consumer recycled content – use materials with recycled content.

2)Recycled content value of product assembly by weight.

3)Indicate total value (cost) of each product used.

The foam core in the wall panels contains a component that contributes to one point for using rapidly renewable buildings materials and products for 2.5 percent of the total value of all building materials and products used in the project (based on cost.)

  1. MR Credit 6: Rapidly Renewable Materials
  2. IEQ – Indoor Environmental Quality
  3. IEQ Credit 4.1: Low-Emitting Materials – Adhesives and Sealants

1)Product data on adhesives and sealants to comply with standards for South Coast Air Quality Management District rule #1168.

2)Product data for paint and coatings having no VOC's

  1. ID- Innovation in Design:

The wall panel integrated into a building’s overall design can contribute to points if the building’s design team applies strategies or measures that demonstrate performance above the requirements in categories and/or innovative performance not specifically addressed by LEED in ID Credits 1.1 to 1.4.

  1. ID Credits 1.1 to 1.4.
  1. Shop Drawings:
  2. Include elevations, fastening patterns, and sections of each condition.
  3. Include material type, metal thickness, paint finish, and manufacturer's installation suggestions.
  4. Panel Samples: Submit 12 inch(30.48 cm) by full width sample panel indicating the metal, texture, and finish proposed.

1.5INFORMATIONAL SUBMITTALS

Coordinate "Qualification Data" Paragraph below with qualification requirements in Section014000 "Quality Requirements" and as may be supplemented in "Quality Assurance" Article.

  1. Qualification Data: For Installer.
  2. Product Test Reports: For each product, tests performed by a qualified testing agency.

Retain "Field quality-control reports" Paragraph below if Contractor is responsible for field quality-control testing and inspecting.

  1. Field quality-control reports.
  2. Sample Warranties: For special warranties.
  3. Buy American Certification: Submit documentation certifying that products comply with provisions of the Buy American Act 41 U.S.C 10a-10d.

1.6QUALITY ASSURANCE

  1. Installer Qualifications: Installed by a contractor with a minimum of five years’ experience with this type of construction, and documentation indicating successful completion of contracts for projects of similar size, scope and materials.
  2. Manufacturer Qualifications: Manufacturer’s production and quality processes are inspected on a quarterly basis by third party quality control auditing programs through Factory Mutual, Underwriter Laboratories, and Intertek Testing Services. Quality control manuals for each accreditation agency are in place detailing the production and quality processes and methods used in the manufacturing of product.

1.7DELIVERY, STORAGE, AND HANDLING

  1. Protect products of metal panel system during shipping, handling, and storage to prevent staining, denting, deterioration of components, or other damage.
  2. Deliver, unload, store, and erect metal panels and accessory items in a manner to prevent bending, warping, twisting, and surface damage.
  3. Store panels in accordance with manufacturer's written instructions.
  4. Shield foam-insulated metal wall panels from direct sunlight until installation.
  5. Store products off the ground, with panels sloped for drainage and covered to protect factory finishes from damage. Stack bundles no more than two high.

1.8WARRANTY

When warranties are required, verify with Owner's counsel that special warranties stated in this article are not less than remedies available to Owner under prevailing local laws.

  1. Warranty: Manufacturer's written limited warranty providing panels to be free from defects in materials and workmanship, excluding coil coatings (paint finishes) that are covered under separate warranty.

Verify available warranties and warranty periods for metal panels.

  1. Warranty Period: Two years from date of Substantial Completion.
  1. Special Warranty on Panel Two-Coat Fluoropolymer, Non-Metallic, Exterior Paint Finishes: Manufacturer's standard form in which manufacturer agrees to repair finish or replace metal panels that show evidence of deterioration of factory-applied finishes within specified warranty period.

Verify available warranties for metal panel finishes and insert number in "Finish Warranty Period" Subparagraph below. A 20-year period is available for fluoropolymer finish and is the maximum included with manufacturers' published data; a 10-year period is usually available for siliconized polyester. Longer periods for premium finishes may be available.

Warranties in Subparagraphs below are for Two-Coat Fluoropolymer, Non-Metallic, Exterior Paint. Contact manufacturer for warranty information of other finishes.

  1. Warranty Periodfor Adhesion to Metal Substrate: 40years from date of Substantial Completion.
  2. Warranty Periodfor Chalk and Fade: 30 years from date of Substantial Completion.

PART 2 - PRODUCTS

See Editing Instruction No.1 in the Evaluations for cautions about named manufacturers and products. For an explanation of options and Contractor's product selection procedures, see Section016000 "Product Requirements."

2.1PERFORMANCE REQUIREMENTS

Retain "Recycled Content" Paragraph below to specify recycled content if required. An alternative method of requiring recycled content is to retain requirement in Project's Division01 sustainable design requirements Section that gives Contractor the option and responsibility to determine how recycled content requirements will be met.

  1. Recycled Content: Postconsumer recycled content plus one-half of preconsumer recycled content not less than <Insert value> percent.
  2. Structural Performance: Provide metal panel systems capable of withstanding the effects of the following loads, based on testing according to ASTME72:
  3. Wind Loads: Verified using a 20 psf(96 kPa) simulated wind load.
  4. Deflection Limits: For wind loads, no greater than 1/180for exterior wall panels and 1/120 for partition and liner walls.
  5. Large Missile Impact Test: Conducted in accordance with ASTM E 1886 and ASTM E 1996.
  6. FM Approval Standard 4881, Standard for Class 1 Exterior Wall Systems. Wind pressures are calculated per FM Global Property Loss Prevention Data Sheet1-28, ratings are established and support spacing is determined based on FM Approval Standard 4881 listings.

Select second option in "Air Infiltration" Paragraph below for Laminated Fire-Resistive Metal Wall Panels. Select first option for all others.

  1. Air Infiltration: Air leakage of not more than [0.06 cfm/sq. ft. (0.3L/s per sq.m)] [Air infiltration shall not exceed 0.01 cfm/sq. ft.(0.05L/s per sq.m) at 6.24 psf (0.30 kPa), and 0.04 cfm/ sq. ft.(0.2L/s per sq.m) of wall area] when tested according to ASTME283 at a static pressure of 12 psf(.576 kPa):
  2. Static Water Penetration: There shall be no uncontrolled water penetration through the panel joints at a static pressure of 20 psf(0.96 kPa)when tested in accordance with ASTM E 331.
  3. Dynamic Water Penetration: There shall be no uncontrolled water penetrationthrough the panel joints when subjected to a 95 mph(153 kph) slip stream air flow and application of water for a 15 minute period in accordance with AAMA501.1.
  4. Condensation Resistance Factor: The minimum condensation resistance factor of the panel shall be 92 when tested in general accordance with AAMA 1503.1.

Select second option in "Thermal Performance" Paragraph below for Laminated Fire-Resistive Metal Wall Panels. Select first option for all others.

  1. Thermal Performance: Panels shall provide a K-factor of [0.14 btu/sf/hr/deg F] [0.275 btu.sf/hr/deg F] at a 75 deg F(24 deg C) mean temperature when tested in accordance with ASTM C 518.
  2. Fire-Test-Response Characteristics:

Select second option in "Surface Burning Characteristics" subparagraph below for Laminated Fire-Resistive Metal Wall Panels. Select first option for all others.

  1. Surface Burning Characteristics: The insulated core shall have been tested in accordance with ASTM E 84 for surface burning characteristics. [The core shall have a maximum flame spread of 25 and a smoke developed rating of 450.] [The core shall have a maximum flame spread of 0 and a smoke developed rating of 0.]
  2. Factory Mutual Research Corporation (FMRC) Standard 4880: Panel assembly shall not support a self-propagating fire which reaches any limits of the 50 foot(15.24 m) high corner test structure as evidenced by flaming or material damage of the ceiling of the assembly.

Retain the three subparagraphs below for wall panel types, except Laminated Fire-Resistive Metal Wall Panels.

  1. Fire Propagation: The fire assembly shall meet the requirements of the standard for NFPA 285 and NFPA 286. Heat potential shall be determined using NFPA 259 Test Method for Potential Heat of Building Materials.
  2. Canadian Certifications – Flame spread: Evaluation of fire spread over the exterior surface shall be conducted and in compliance with CAN/ULC S138.
  3. IBC Chapter 26: Panel performance under the above test methods, shall meet the requirements of IBC, Chapter on foam plastics.

Retain the following "Laminated Fire-Resistive Metal Panel, Fire Resistance Data" subparagraph only for Laminated Fire-Resistive Metal Wall Panels. Delete for all other panel types.

  1. Laminated Fire-Resistant Metal Panel, Fire Resistance Data:
  2. Finished panel in a 4 in (98 mm) thickness shall meet the requirements of a one (1) hour fire resistance rating for non- load bearing wall in accordance with UL 263 (per UL design U050 for US and design W021 for Canada), ASTM E119 and CAN/ULC S101 (per Interek design MS/WA 60-1).
  3. Finished panel in a 6 in(147 mm) thickness shall meet the requirements of a two (2) hour fire resistance rating for non-bearing wall in accordance with ASTM E119 and CAN/ULC S101 (per Intertek design MS/WA 120-1).
  4. Finished panel in a 7 in(172 mm) thickness shall meet the requirements of a two (2) hour fire resistance rating for non-load bearing wall in accordance with UL 263 (per UL design U050 for US and design W021 for Canada).
  5. Finished panel in an 8 in(196 mm) thickness shall meet the requirements of a three (3) hour fire resistance rating for non-load bearing wall in accordance with UL 263 (per UL design U050 for US and design W021 for Canada).
  6. 1 and 2 hour fire rated wall panel shall meet the requirements of penetration fire stop conditions listed by UL in accordance with ASTM E 814(per UL designs W-N-1001 thru W-N-7001,for US and Canada). Opening can be located on or off panel unit joints.
  7. Finished panel in a 6 in(147 mm) thickness shall meet the requirements of a 1-1/2 hour resistance rating for a ceiling in accordance with ASTM E 119-00a and CAN/ULC/S101 (per Intertek Design No. FC200).
  8. 1 and 2 hour fire rated wall panels shall meet the requirements of Fire Door and Window Assemblies as listed by UL in accordance with UL 9, CAN4-S106 and UBC Standard 7-4 (per UL designs SP-2-001 and WA-2-001.)

2.2FOAMED-INSULATION-CORE METAL WALL PANELS

  1. General: Provide factory-formed and -assembled metal wall panels fabricated from two roll-formed metal facing sheets chemically bonded toinsulation core foamed in place during fabrication, and with joints between panels designed to form weathertight seals. Include accessories required for weathertight installation.
  2. Panel Performance:
  3. Freeze/Heat Cycling: No delamination, surface blistering, or permanent bowing when subjected to cyclic temperature extremes of -20 deg F(-28 deg C) to +180 deg F(+82 deg C) for 21 eight hour cycles.
  4. Humid Aging: Volume increase not greater than 6.0 percent and no delamination or metal corrosion when tested for seven days at 140 degF (60 degC) and 100 percent relative humidity according to ASTMD2126.
  5. Fatigue: No evidence of delamination, core cracking, or permanent bowing when tested to a 20-lbf/sq. ft. (958-kPa) positive and negative wind load and with deflection of L/180 for 2 million cycles.
  6. Autoclave: No delamination when exposed to 2-psi (13.8-kPa) pressure at a temperature of 212 degF (100 degC) for 2-1/2 hours.
  7. Insulation Core: Polyurethane foam using a non-CFC blowing agent, with maximum flame-spread and smoke-developed indexes of 25 and 450, respectively.
  8. Closed-Cell Content: 92 percent when tested according to ASTMD6226.
  9. Density: 2.0 to 2.6 lb/cu. ft. (32 to 42 kg/cu.m) when tested according to ASTMD1622.
  10. Compressive Strength: Minimum 20 psi (140 kPa) when tested according to ASTMD1621.
  11. Shear Strength: 26 psi (179 kPa) when tested according to ASTMC273/C273M.

Copy paragraphs below and re-edit for each product.

Insert drawing designation for each product required. Use these designations on Drawings to identify each product.

  1. Exposed-Fastener, Foamed-Insulation-Core Metal Wall Panels <Insert drawing designation>: Formed with a raised, trapezoidal major rib at panel edge and two intermediate stiffening ribs symmetrically spaced between major rib and panel edge; designed for lapping side edges of adjacent panels and mechanically attaching to supports using exposed fasteners in side laps.
  2. Manufacturers: Subject to compliance with requirements, provide products by the following:
  3. Insulated Panel Systems (IPS).
  4. Insert manufacturer's name>.
  5. Metallic-Coated Steel Sheet: Facings of zinc-coated (galvanized) steel sheet complying with ASTMA653/A653M, G90 (Z275) coating designation, or aluminum-zinc alloy-coated steel sheet complying with ASTMA792/A792M, ClassAZ50 (ClassAZM150) coating designation; structural quality. Prepainted by the coil-coating process to comply with ASTMA755/A755M.
  6. Nominal Thickness: [0.022 inch (0.56 mm)] [0.028 inch (0.71 mm)] [0.034 inch (0.86 mm)].
  7. Exterior Finish: [Two-coat fluoropolymer] [Three-coat fluoropolymer] [Mica fluoropolymer] [Metallic fluoropolymer] [FEVE fluoropolymer] [Siliconized polyester] <Insert finish>.

1)Color: [As indicated by manufacturer's designations] [Match Architect's samples] [As selected by Architect from manufacturer's full range] <Insert color>.

  1. Interior Finish: [Siliconized polyester] <Insert finish>.

1)Color: [As indicated by manufacturer's designations] [Match Architect's samples] [As selected by Architect from manufacturer's full range] <Insert color>.

Retain "Backer Board" Subparagraph below if required. A backer board provides additional impact resistance.

  1. Backer Board: On back side of exterior facing.

Retain "Snap-on Batten" Subparagraph below if required. A batten is optional with some manufacturers; verify availability.