A. Structural Metal Roofing: Provide complete roofing assemblies, including roof panels, clips, fasteners, connectors, and miscellaneous accessories, tested for conformance to the following minimum standards: 1. Overall: Complete weathertight system tested and approved in accordance with ASTM E1592. 2. Wind Uplift: Class 115 wind uplift resistance of UL 580. 3. Water Penetration: No water penetration when tested according to procedures and recommended test pressures of ASTM E1646. 4. Thermal Movement: Design system to accommodate without deformation anticipated thermal movement over ambient temperature range of 100 degrees F. 5. Thermal Performance: Provide thermal resistance through entire system (R-value) of 15 deg F hr sq ft/BTU; 2 inch thick, when tested in accordance with ASTM C1363. B. Metal Panels: Factory-formed panels with factory-applied finish. 1. Type: Single skin, uninsulated. 2. Aluminum Panels: a. Alloy: Aluminum conforming to ASTM B209/B 209M; temper as required for forming. b. Thickness: Minimum 0.032 inch. 3. Profile: Standing seam, with minimum 2.0 inch seam height; concealed fastener system for field seaming with special tool.
