074113_-_METAL_ROOF_PANELS.pdf
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- Attached to
- Bogard Engine Bay Roof Installation Federal contract opportunity
- Solicitation number
- 129AC718Q0061
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074113
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| 129AC718Q0061_Amendment_1.pdf | ||
| 076200_-_SHEET_METAL_FLASHING_AND_TRIM.pdf | ||
| WD_CA180009_27Jul18.pdf | ||
| 129AC718Q0061.pdf | ||
| Project_Location_Map.pdf |
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Text version
Copyright 2013 AIA MasterSpec Small Project 10/13
METAL ROOF PANELS 074113 - 1
SECTION 074113 - METAL ROOF PANELS
PART 1 - GENERAL
1.1 SECTION REQUIREMENTS
A. Summary: Factory-formed metal roof panels, fascia, and trim.
B. Submittals: Product Data, Shop Drawings, and color Samples.
C. Warranties: Manufacturer's standard written warranty, signed by manufacturer agreeing to promptly repair or replace products that fail to remain weathertight for the period of 20 years.
PART 2 - PRODUCTS
2.1 PERFORMANCE REQUIREMENTS
A. Energy Performance of Roof Panels: Three-year, aged, solar reflectance not less than 0.55 and emissivity not less than 0.75, or aged, Solar Reflectance Index of not less than 64.
B. Solar Reflectance Index: Not less than 40 when calculated according to ASTM E 1980.
C. Wind-Uplift Resistance of Roof Assemblies: UL 580, Class 30.
2.2 METAL ROOF PANELS
A. Roof Panel Type: exposed-fastener, lap-seam metal roof panels.
1. R Panel or approved equal
a. 26 gauge commercial grade steel
b. Overlays existing roof panels; the ribs line up with the existing ones
B. Metallic-Coated Steel Roof Panels: Fabricated from galvanized steel sheet, ASTM A 653/A 653M, G90 (Z275)
1. Nominal Metal Thickness: 0.022 inch (0.56 mm).
2. Finish: Manufacturer's standard two-coat fluoropolymer system with color coat containing not less than 70 percent polyvinylidene fluoride (PVDF) resin by weight.
2.3 ACCESSORIES
A. Provide components required for a complete roof panel assembly, including trim, fascia, clips, seam covers, flashings, sealants, gaskets, fillers, closure strips, and similar items.
Copyright 2013 AIA MasterSpec Small Project 10/13
METAL ROOF PANELS 074113 - 2
B. Flashing and Trim: Provide flashing and trim as required to seal against weather and to provide finished appearance. Finish flashing and trim with same finish system as adjacent metal roof panels.
C. Felt Underlayment: ASTM D 226, Type II (No. 30), asphalt-saturated organic felts.
D. Slip Sheet: Manufacturer's recommended slip sheet, of type required for application.
PART 3 - EXECUTION
3.1 INSTALLATION
A. Install felt underlayment on roof deck.
B. Apply slip sheet over underlayment before installing metal roof panels.
C. Install flashings to cover underlayment to comply with requirements specified in
Section 076200 "Sheet Metal Flashing and Trim."
D. Rigidly fasten metal roof panels to structure at one and only one location for each panel. Allow remainder of panel to move freely for thermal expansion and contraction. Predrill panels for fasteners.
1. Steel Roof Panels: Use stainless-steel fasteners for surfaces exposed to the exterior and galvanized-steel fasteners for surfaces exposed to the interior.
2. Provide metal closures at rake edges each side of ridge caps.
3. Flash and seal metal roof panels with weather closures at eaves, rakes, and perimeter of all openings.
4. Install ridge caps as metal roof panel work proceeds.
E. Install gaskets, joint fillers, and sealants where required for weatherproof performance of metal roof panel assemblies. Provide types of gaskets, fillers, and sealants recommended by metal roof panel manufacturer.
F. Separate dissimilar metals with a felt underlayment.
END OF SECTION 074113
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