07411_SP_-_METAL_ROOF_PANELS.doc

Copyright 2001 AIA

MASTERSPEC SMALL PROJECT™

Copyright 2001 by The American Institute of Architects (AIA)

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

SECTION 07411 - METAL ROOF PANELS

PART 1 - GENERAL

1.1 SECTION REQUIREMENTS

A. Summary: Factory-formed metal roof panels, fasciae, and trim.

B. Submittals: Product Data and color Samples.

Delete paragraph below if not required or not available for roof panels selected.

C. Provide roof assemblies that comply with requirements in UL 580 for Class 90 wind-uplift resistance.

Delete below if not available for roof panels selected.

D. Warranties: Provide standard manufacturer's written warranty, without monetary limitation, signed by manufacturer agreeing to promptly repair or replace metal roof panels that fail to remain weathertight within five years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1 METAL ROOF PANELS

A. Available Products:

1. Epic Tuf rib 29 gage or approved equal.

2. Epic Ridge Cap to match or approved equal.

3. Epic Eave Trim to match or approved equal.

4. Epic Gable trim to match or approved equal.

B. Roof Panel Type: Exposed-fastener, lap-seam metal roof panels.

C. Metallic-Coated Steel Roof Panels: Fabricated from galvanized structural-steel sheet, ASTM A 653/A 653M or aluminum-zinc alloy-coated structural-steel sheet, ASTM A 792/A 792M

1. Metal Thickness: 29 gage

2. Finish: Manufacturer's standard epoxy primer and silicone-modified, polyester-enamel topcoat.

3. Interior Finish: Manufacturer's standard acrylic or polyester backer finish, consisting of prime coat and wash coat.

2.2 ACCESSORIES

A. Provide components required for a complete roof panel assembly including trim, fasciae, clips, seam covers, flashings, sealants, gaskets, fillers, closure strips, and similar items.

B. Matching Ridge Cap in color and rib pattern as required.

C. Flashing and Trim: Formed from zinc-coated (galvanized) steel sheet or aluminum-zinc alloy-coated steel sheet. 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.

D. Underlayment: Self-adhering, polyethylene-faced, polymer-modified, bituminous sheet ASTM D 1970 at overhangs and 36” above wall line. Asphalt-saturated organic felt ASTM D 226, Type II No. 30 at other locations.

PART 3 - EXECUTIONINSTALLATION

Delete first paragraph below if metal roof panels are installed directly on framing without sheathing.

A. Install underlayment on roof sheathing under metal roof panels, unless otherwise recommended by metal roof panel manufacturer.

B. Anchor panels securely in place, with provisions for thermal and structural movement. Field cutting exterior panels by torch is not permitted.

1. Steel Roof Panels: Use manufactures recommended painted and galvanized steel fasteners with sealing washers for surfaces exposed to weather.

C. 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.

D. Separate dissimilar metals with a bituminous coating or polymer-modified bituminous sheet underlayment.

END OF SECTION 07411

METAL ROOF PANELS

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