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Max-Rib Panel

Max-Rib is an exposed fastened panel with a ¾" rib height, offering an economical and durable roofing and wall solution for residential, agricultural, and light commercial applications.

Max-Rib Panel

Great for:

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WALLS
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ROOFS
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RESIDENTIAL
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COMMERCIAL

McElroy’s popular Max-Rib profile is available in five distinct options: Max-Rib Ultra, Max-Rib II, Max-Rib 100, and Max-Rib Commodity/Liner. The best choice for your individual project depends on factors such as performance, desired longevity, and budget.

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Renderings & Profiles

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Helpful Videos

Max-Rib Residential Application

Max-Rib Trim Details

Recommended Tools

Max-Rib Installation with Mason Dixon Acres

Why Choose Max-Rib with Mason Dixon

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Max-Rib Ultra - Galvalume® substrate with Kynar 500® (PVDF) coating

For unsurpassed performance in a light gauge panel, Max-Rib Ultra is the ultimate choice. This distinctive metal panel combines the long-life performance of a Galvalume steel substrate with a fade and chalk resistant Kynar 500® (PVDF) based Fluropon® paint system by Sherwin Williams. The end result is an exceptional metal panel that provides unmatched resistance to chalking and fading and the best assurance that your project will retain its beauty year-after-year. Max-Rib Ultra is the preferred panel for residential roofs and any building where owners are concerned about quality and long-term performance.

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Max-Rib II - Galvalume substrate with a Silicone Modified Polyester (SMP) coating

Combining the long-life characteristics of a Galvalume steel substrate with the proven performance of a high-quality Silicone Modified Polyester (SMP) coating, Max-Rib II is an excellent multi-use metal panel.

Max-Rib 100 - Galvanized G100 substrate with a Silicone Modified Polyester (SMP) coating

Combining a zinc-coated G100 Galvanized substrate with a high-quality Silicone Modified Polyester coating, Max-Rib 100 is an ideal panel when a Galvanized substrate is required.

Max-Rib Commodity/Max-Rib Liner

Max-Rib Commodity/Liner is a 10-year warrantied economical panel that is ideal for interior applications such as liner panel or basic shade and shelter applications.

Thermoforming

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Long-term customer satisfaction is our top priority at McElroy Metal. As a result, we're constantly looking for ways to do things better, even if it means making investments in new equipment.  Thermoforming (or warm forming) is just one example of our customer commitment.

Traditionally steel panels have been manufactured from steel at room temperature.  While that process worked for decades, new advances have proven that warming the steel prior to production can result in a better product with a longer life expectancy for Silicone Modified Polyester (SMP) paint systems.  

Thermoforming technology is just one more thing we're doing different than our competitors to earn your business. 

Factory Applied Anti-Condensation Membrane

Max-Rib roof panels with McElroy's MoistureLok, offer a great option to address condensation challenges.  The design of our MoistureLok product traps moisture and then releases it back into the air as natural humidity once conditions go back below the dew point. 

Learn More
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Specifications & Details

Details

Minimum slope (with sealant)

1:12

Minimum slope (without sealant)

3:12

Note

Max-Rib also available with MoistureLok

Manufacturing Facilities

Bossier City, LA; Marshall MI; Winchester, VA; Adelanto, CA; Lewisport, KY; Merkel, TX; Mauston, WI; Asburn, GA; Diamond, MO

Note

Oil Canning is a natural occurrence in metal panels and is not a cause for panel rejection

Testing

Fire Rating

Class A

Uplift Test

UL580 Class 90

Class 4 Impact Resistance

UL 2218

Florida State Approval

1747.2, 1832.3

Fire Resistance

UL263

Texas Department of Insurance Approval

Evaluation RC-157

Testing Data

For available Test Data, Section Properties or Load Tables, please visit our downloads section.

Panel Options

Coating

- Kynar 500® (PVDF)
- Silicone Modified Polyester (SMP)

Substrate

- Standard 29 and 26 GA Galvalume®
- Standard 29 GA G100 Galvanized

Related Files

Specifications

Brochures/Flyers

Metal Panel Care & Maintenance

Product & Trim Information Books

Spanish Installation Manuals

Good Design Practices

Technical Bulletins / UL 580 Construction Numbers

Technical Bulletins / Miscellaneous Information

Get A Submittal Package

Customize your submittal package

Click on your desired documents below to select them for your package.

General Product and Warranty Information

Panel Load Tables w/Section Properties and Testing

Safety Data and Material Safety Data Sheets

Request

Samples & Color Charts

Request physical samples and color charts. All items will be sent out via UPS ground unless otherwise specified.

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Shop Drawing Service

Running short of time to complete your own shop drawings? McElroy Metal can help. Click the button below to provide us some basic information and we’ll be in touch soon to discuss your project specifics.

Download Shop Drawings

If you’re creating your own shop drawings, click the button below to gain full access to our CAD and PDF Files.

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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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