BARREL STYLE METAL TILE
SECTION 07320
BARREL STYLE METAL TILE
PANEL ROOFING SYSTEM
PART 1 – GENERAL
1.1SECTION INCLUDES:
1.1.1Metal Barrel Tile facsimile roofing panels.
1.1.2Roof trim, flashing, and other accessories requiredproviding a complete and weather tight roofing system.
1.2RELATED SECTIONS:
To include and/or coordinate with related work specified elsewhere:
1.2.1Section 05120 – Structural Steel: Building frame
1.2.2Section 05400 – Cold Formed Metal Framing: Exterior stud wall framing systems
1.2.3Section 07220 – Roof Insulation
1.2.4Section 07260 – Vapor Barriers
1.2.5Section 07620 – Sheet Metal Flashing and Trim
1.2.6Section 07900 – Joint Sealers
1.2.7Section 13121 – Pre-engineered Buildings: Building framing system
1.3REFERENCES:
1.3.1ASTM A653/A653M – Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealled) by the Hot-Dip Process.
1.3.2ASTM A755/A755M – Standard Specification for Steel Sheet, Metallic Coated by the Hot-Dip Process and Pre-painted by the Coil Coating Process for Exterior Exposed Building Products.
1.3.3ASCE 7-98 – Minimum Design Loads for Buildings and Other Structures; American Society of Civil Engineers.
1.3.4Miami-Dade County Protocol TAS 301 for laboratory tests and test reports.
1.4PERFORMANCE REQUIREMENTS
1.4.1Panel system shall be designed to safely resist the positive and negative loads as specified.
1.4.2Design and size components to withstand load caused by wind pressures as specified in ASCE 7-98 per S.F.B.C.
1.4.3Tested in accordance with Miami-Dade Protocol TAS 301.
1.4.3.1Accelerated Testing of coating 2,000 hours per ASTM G23.
1.4.3.2Salt Spray Testing of coating 1,000 hours per ASTM B117.
1.4.3.3Fire Testing per ASTM E108 or UL790. (Not required if system is assembled with an approved fire barrier.)
1.4.3.4Uplift Resistance Test per TAS 125. (UL 580 Class 90 or higher. The permanent deformation area, at any location, shall not exceed the area of a 1″ diameter circle.)
1.4.3.5Wind Driven Rain Test per TAS 100. (If system is to include a valley assembly and/or horizontal joints, the valley assembly and/or two horizontal joints shall be incorporated in TAS 100 test.)
1.4.4System Movement – Accommodate movements due to thermal expansion and contraction, dynamic loading, and deflection of structural support system without damage to panel system or loss of weatherproofing capability.
1.4.5Fabricate panels in full length with no end laps when panel lengths are 30′-0 or less. The use of end laps shall be acceptable for length’s greater than 30′-0. Manufacturer’s details for end lap conditions shall be strictly adhered to.
1.4.6All panels shall be fastened to the framing members or substrate in accordance with manufacturer instructions.
1.4.7Roof panels, fasteners, closures, flashings, and all accessories shall be the product of a single manufacturer.
1.4.8All trim and flashings components shall be fabricated in lengths of 10′-0″ to minimize joint details. Allowance for thermal expansion and contraction of trim and flashing components shall be incorporated in their design.
1.4.9Drainage – Provide positive drainage to exterior to prevent moisture from entering building enclosure or condensation occurring within exterior building envelope.
1.5SUBMITTALS
1.5.1Submit under provisions of Section 0130, “Submittals”.
1.5.2Manufacturer’s Certifications: Certified statement that the manufacture has a minimum of seven (7) years experience in the roll forming process of metal panel systems.
1.5.3Product Data: Manufacturer’s current product specifications and installation instructions.
1.5.4Test Reports: Submit the following test reports, certified by an independent testing laboratory or independent professional engineer, to verify that the proposed materials will meet the performance criteria of the specification.
1.5.4.1Fastener pull-out test and calculations.
1.5.4.2Coating quality.
1.5.5Shop Drawings: Prior to fabrication, contractor is to submit drawings showing a small-scale roof plan and/or elevations, as required. Show details of trim and flashing conditions, fastening and anchoring methods, weatherproofing techniques, terminations, and penetrations of metal roofing work. Panel installation shall not start until drawing approval by architects.
1.5.6Selection Samples: Submit samples of the following: metal panel, fasteners, closures, sealant and actual metal chips with full range of colors (minimum of twenty) available for Architect’s selection.
1.5.7Verification Samples: Submit two samples of each type of metal panel required, not less that 16-inches, and illustrating finished panel profile, color, gloss, and texture.
1.5.8Upon bid proposal contractor is to provide qualifications and/or exceptions to the drawings and specifications.
1.5.9Contract Closeout Submittal: Coordinate with Section 01700. Submit specified warranties, maintenance instructions, and other closeout submittals pertaining to this section.
1.6QUALITY ASSURANCE
1.6.1All panels are to be factory formed and packaged as per job requirements.
1.6.2Specification is based upon the products of Florida Metal Roofing Products, Inc. No other manufacturer of metal panel systems shall be accepted as an alternate product.
1.6.3Manufacturer Qualifications: Minimum of 7 years of experience in factory-fabrication and roll forming of metal panels.
1.6.4Installer Qualifications: Company specializing in the type of work required for this project, with not less than 2 years of documented experience applying this type of panel system with successful completion of projects of similar scope.
1.6.5Pre-installation Meeting: Convene meeting between panel installer, general contractor, and architect not less than one week prior to beginning installation to review the following: acceptable substrates, materials, colors, gauges, changes in scope of work, etc.
1.6.6Regulatory Requirement: All local building code requirements are to be followed for both design and installation of metal panel system.
1.6.7Field Measurements: The installer must obtain actual project field verifications to ensure dimensional correctness. These verifications must be preformed prior to providing the manufacturer with a bill of material.
1.6.8 Source Quality Control: Provide actual test criteria and/or calculations where applicable pertinent to design criteria within project specifications.
1.7DELIVERY, STORAGE, AND HANDLING
1.7.1Comply with provisions of Section 01600.
1.7.2Order materials based on field measurements, not on construction drawings.
1.7.3Package panels at factory.
1.7.4Installer shall coordinate with general contractor as to scheduled delivery time after receipt of field verified bill of material by manufacturer as it related to actual project scheduling.
1.7.5Delivery of materials shall be made only when suitable facilities for storage and protection are made available.
1.7.6Upon receipt of delivery of metal panel system and prior to signing the delivery ticket, the installer is to examine each shipment for damage and for completion of the consignment.
1.7.7Protect materials from damage during transit and at storage facility or project site.
1.7.8Store in a dry environment to prevent water damage from the elements and condensation. Store panels to allow for positive drainage in the event that materials are exposed to moisture.
1.7.9Do not expose panels and/or flashings with strippable protective film to direct sunlight or extreme heat.
1.7.10Do not allow storage of other trade materials or staging of other work on finished product.
PART 2 – PRODUCTS
2.1MANUFACTURERS
2.1.1 Design is based on products manufactured by Florida Metal Roofing Products, Inc., 1225 Hill Avenue, Mangonia Park, FL 33407.Phone (561) 863-FMRP (3677) and Fax (561) 863-3675. Miami-Dade County NOA 16-0125.09
2.1.2Provide panels, fasteners, closures, flashings, and accessories supplied by a single manufacturer.
2.1.3Substitutions: No substitutions are to be accepted.
2.2PANEL SYSTEM
2.2.1 Roof Panel Systems: Provide factory formed metal panel systems with all necessary components to ensure a weather tight installation, including but not limited to ridges, hips, valleys, eaves, rakes, corners, and miscellaneous flashings.
2.2.2Materials: Florida Metal’s Barrel Style Metal Tile Panel
Gauge: 24 Gauge (.025″ min.) G90 Galvanized Steel
Panel Width: 44-inches with a 40-inch coverage
Panel Length: Panel length as indicated on drawings
Tile Configuration: 2-1/2-inch high barrel style with a 5/8-inch step located between 12-inches and 16-inches.
Texture: Smooth or Embossed
Finish: Kynar 500/Hylar 5000 (30 Gloss)
2.3MATERIALS
2.3.1Pre-coated Galvanized Steel Sheet: ASTM A 755/A 755M; ASTM A 653/A 653M, Structural Quality Grade 33/230, G90 Coating Designation, pre-coated with Kynar 500Ò/Hylar 5000Òfinish.
2.3.2Aluminum Sheet: ASTM B 209, minimum yield strength 17,000 psi (117 Mpa). Pre-finish as specified under panel type.
2.3.3Fluoropolymer Coating: Provide multi-coat PVDF Kynar 500Ò or Hylar 5000Òfinish system on exposed metal surfaces.
2.3.3.1 The pre-finished coating system fluoropolymer Kynar 500Ò or Hylar 5000Ò must reflect the following performance characteristics in accordance with ASTM procedures:
Dry Film Thickness (Nominal): ASTM D-1400-87, D-1005-84 (1990) Eddy current device or micrometer – consists of 0.2 +/-0.05 mil primer on both sides with a 0.8 +/-0.1 mil 70% Kynar 500Òor 70% Hylar 5000Òtopcoat.
Gloss: ASTM D-523-89 at 60°– Standard shall have a gloss of 30.
Pencil Hardness: ASTM D-3363-92a Eagle Turquoise Drafting Lead HB minimum.
Formability T-Bend: ASTM D-4145-90 No cracking or tape removal of film at 1-T bend (aluminum); 2-T bend (coated steel).
Formability Mandrel: ASTM D-522-93a 180° bend around a 1/8″ mandrel – No cracking or loss of adhesion.
Adhesion: ASTM D-3359-93 Rev. impacted 1/16″ crosshatch – No adhesion loss.
Reverse Impact: ASTM D-2794-93 Impact in in./lb. = 1.5 x metal thickness in inches (aluminum) or 3 x metal thickness in inches (coated steel) – No cracking or loss of adhesion.
Abrasion Resistance, Falling Sand Test: ASTM D-968-93 Liters to expose 5/32″ of substrate – 67 liters +/- 10 liters.
Acid Pollutants Resistance Test: ASTM D-1308 Procedure 7.2 (Independent of Substrate). 10% Hydrochloric Acid 24 hour – No visible change, 20% Hydrochloric Acid 18 hour – No visible change, 20% Sulfuric Acid 18 hour – No visible change, 25% Sodium Hydroxide 1 hour – No visible change, 20% Muriatic Acid 15 minutes – No visible change.
Humidity Test: ASTM D-2247-92 100% Relative Humidity at 90° F – Passes 3,000 hours (aluminum) with no blisters; passes 2,000 hours (coated steel) with no blisters.
Salt Spray Test: ASTM B-117 1,000 hours –
Aluminum – Scribe: 10 – No Creepage, Field: 10 No Blisters
Coated Steel – Scribe: 7 – 1/16″ Blisters, Field: 10 – No Blisters.
Accelerated Weathering: ASTM G-23 2,000 hours, Chalk: #8, Color: 2DE
2.3.3.2The exterior color of 70% Fluoropolymer Finish shall be chosen from manufacturer’s standard colors.
2.4ACCESSORIES
2.4.1Provide formed accessories of same gauge and finish as the primary panel system, unless otherwise indicated on the drawings, compliant with specified requirements.
2.4.2All flashing components shall be fabricated in a minimum of 10′-0″ lengths.
2.4.3Sealants:
2.4.3.1As specified in Section 07900D.
2.4.3.2Apply sealant where necessary to complete a weather tight roof system.
2.4.3.3Consult manufacturer for sealant recommendations.
2.4.4 Fasteners: As recommended by manufacturer for project conditions and panel type.
2.5FABRICATION
2.5.1Panels shall be factory fabricated.
2.5.2Fabricate panels up to 30′-0 long in one piece without transverse seams. Panels over 30′-0 may be fabricated with seams; use manufacturer’s standard end lap details.
2.5.3Factory – fabricate trim and flashing components in minimum 10′-0″ lengths, with allowance for thermal movement in joint design; unless project site conditions prohibit such.
2.5.4Clips and related accessory items to be supplied by panel manufacturer as a single source responsibility.
2.5.5Form all components true to shape, accurate in size, square, free from distortion or defects. Cut panels to precise lengths indicated on approved shop drawings.
PART 3 – EXECUTION
3.1EXAMINATION
3.1.1Inspect substrates to verify that they are in proper condition, spaced correctly, plumb, and are ready to receive panels and accessories.
3.1.1.1Notify the architect in writing if substrates are not suitable for application of panel system.
3.1.1.2Do not proceed with installation until substrates are acceptable.
3.1.2Verify actual dimensions in field prior to ordering material.
3.2INSTALLATION
3.2.1Install metal panels and accessories in strict accordance with manufacturer’s instructions, shop drawings, and applicable building codes.
3.2.2Protect surfaces from coming in contact with cementitious materials and dissimilar metals with a neutral coating such as bituminous paint.
3.2.3Fasten panels to structural supports as per manufacturer’s recommendations.
3.2.4Entire system shall be installed plumb, level, and true to line.
3.2.5Fully interlock or overlap panels (dependent upon panel design) with adjacent panels; apply sealant as recommended by panel manufacturer to achieve weather tight installation.
3.2.6Roll formed panels designed for eave to ridge installation should be installed with no transverse seams.
3.2.7Workmanship complies with standards established by the Architectural Sheet Metal Community.
3.2.8Care should be taken during handling of panels to prevent bending, twisting, abrasion, scratching, denting, etc.
3.2.9Do not allow shavings, metal dust, or chips to fall on panels.
3.3ADJUSTING AND CLEANING
3.3.1 Remove all protective masking from material immediately after installation.
3.3.2Touch up only minor abrasions with matching paint provided by panel manufacturer. Remove and replace panels that cannot be satisfactorily touched up.
3.3.3Sweep and remove chips, shavings, and dust from roof on a daily basis during installation period. Leave installed work clean, free of grease, finger marks and stains.
3.3.4Upon completion of installation, remove scraps and debris from project site.
3.4PROTECTION
3.4.1Provide protection as required to assure that completed work of this section will be without damage or deterioration at date of substantial completion.
3.4.2Protect work area as required to protect from damage by other trades.
3.4.3Safety clothing, equipment, and precaution must be utilized according to safety standards.
