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Mega-Rib Panel

Mega-Rib Panel

Mega-Rib is a 7.2 exposed fastener panel that provides optimum strength and spanning capabilities. Mega-Rib is a metal roof and wall panel that is equally well suited for industrial and commercial applications. Installed horizontally, Mega-Rib's bold ribs provide a hard to beat architectural statement.

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Specifications & Details

Minimum slope 1:12 (tape sealant required for all slopes)
Adelanto standard coverage for 26 gauge panels Standard 26 gauge coverage at Adelanto is 36". All other locations, standard 26 gauge coverage is 28.8". Please specify if 36" coverage is required
Manufacturing Facilities Clinton, IL; Peachtree City GA; Adelanto, CA; Sunnyvale, TX
Note Can be installed vertically or horizontally.
Note Oil Canning is a natural occurrence in metal panels and is not a cause for panel rejection
Testing Data
Fire Rating Class A
Uplift Test UL580 Class 90
Air Infiltration ASTM E1680
Water Infiltration ASTM E1646
Class 4 Impact Resistance UL2218
Florida State Approval 1832.8, 1747.6
Fire Resistance UL263
Miami Dade Approval
ICC-ES Approval ESR-5896
Testing Data For available Test Data, Section Properties or Load Tables, please visit our downloads section.
Panel Options
Coating Kynar 500® (PVDF)
Substrate - Standard 24 GA Galvalume®
- Optional 22 GA Galvalume
- Optional 26 GA Galvalume (Narrow Coverage)
- Optional 26 GA Galvalume (Full Coverage Adelanto Only)
- Optional 18 and 20 GA (Painted Galvalume) (Limited Availability)

Related Files


Product & Trim Information Books

English Installation Manuals

Product Approval Report / Miami-Dade Notice of Acceptance (NOA)

Technical Bulletins / UL 580 Construction Numbers

Technical Bulletins / ASTM E1592 Uplift Tests

Technical Bulletins / Miscellaneous Testing

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Customize your submittal package

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General Product and Warranty Information

Panel Load Tables w/Section Properties and Testing

Safety Data and Material Safety Data Sheets


Samples & Color Charts

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Shop Drawing Service

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Download Shop Drawings
Download Shop Drawings

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Find a Distributor/Contractor Near You

Whether you’re building a new home or planning renovations, a metal roof can deliver long-term cost savings and comfort. To explore your options and find the product that meets your aesthetic and budgetary needs, contact a McElroy Metal distributor or contractor in your area today. We can’t wait to help make your dream home a reality.

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