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      Multi-Rib Panel

      Multi-Rib features a bold ¾" rib height and an exposed fastened system, delivering strength and visual appeal for a variety of building types.

      Multi-Rib Panel

      Great for:

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      WALLS
      roofs-icon
      ROOFS
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      RESIDENTIAL
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      COMMERCIAL

      Multi-Rib is McElroy’s proprietary version of the industry’s standard R-Panel and is a multi-use roof and wall rib panel primarily used in pre-engineered metal building applications. An optional purlin bearing leg (PBR) rests on purlins and provides support for fastening the panel lap.

      Multi-Rib is also commonly utilized for residential roofing, primarily in the Southwestern region. Featuring 1 1/4-inch major ribs, 12 inches on center, Multi-Rib's bold profile adds a distinct beauty to any home.

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      Factory Applied Anti-Condensation Membrane

      Multi-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

      Renderings & Profiles

      Multi Rib Rendering
      Multi-Rib Non Purlin Bearing Leg
      Multi-Rib Non Purlin Bearing Leg

      Specifications & Details

      Details

      Minimum slope (with sealant)

      1:12

      Manufacturing Facilities

      Bossier City, LA'; Clinton, IL; Winchester, VA; Adelanto, CA; Merkel, TX

      Note

      Multi-Rib is also available with MoistureLok

      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; ASTM E1592 (26 GA PBR Only)

      Air Infiltration

      ASTM E1680

      Water Infiltration

      ASTM E1646

      Class 4 Impact Resistance

      UL2218

      Florida State Approval

      1747.8, 1832.10

      Fire Resistance

      UL263

      Texas Department of Insurance Approval

      Evaluation RC-63 and RC-283

      Testing Data

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

      Panel Options

      Panel Options

      26 Ga: PBR and Non PBR. 24 & 22 Ga: Non PBR

      Coating

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

      Substrate

      - Standard 26 GA Galvalume®
      - Optional 24, 22 GA Galvalume® (Inquire. Possible minimum order and longer lead time may apply.)

      Related Files

      Specifications

      CAD Drawings

      PDF Drawings

      Color Charts

      Brochures/Flyers

      Finish and Substrate Warranties

      Metal Panel Care & Maintenance

      Product Data Sheets

      Product & Trim Information Books

      English Installation Manuals

      Spanish Installation Manuals

      Good Design Practices

      Technical Bulletins / Approvals

      Technical Bulletins / UL 580 Construction Numbers

      Technical Bulletins / Panel Load Tables w/Section Properties

      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

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      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.

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      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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