Exposed Fastener Panels

5V Metal Roofing Panel

Homeowners across the country are discovering that 5V metal roofing not only adds value to their home but provides beauty as well. 5V panels are 24 inches wide and incorporate a classic design that adds beauty to any home. 5V is also commonly installed as an interior liner or accent panel.

Specifications & Details

  • Minimum slope (with sealant):

    3:12

    Installation:

    Must be over solid decking

    Manufacturing Facilities:

    Produced in Ashburn, GA; Merkel, TX

    Note:

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

  • Fire Rating:

    Class A

    Uplift Test:

    UL580 Class 90

    Class 4 Impact Resistance:

    UL 2218

    Fire Resistance:

    UL263

    Florida State Approval:

    1832.1

    Texas Department of Insurance

    RC-13

    Miami Dade Approvalof Insurance

    RC-13

    Miami Dade Approval

  • Coating:

    Kynar 500®(PVDF)

    Substrate:

    Standard 26 GA Galvalume®; 29 Ga. Galvanized in bare only

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.

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

  • 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

  • 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)

Mini-Rib Panel

The symmetrical design of the Mini-Rib exposed fastener panel make it an appealing profile for walls, soffit, liner and fascia applications.

Mini-Rib is a popular panel with architects and designers that want to make a impactful visual statement on projects incorporating metal siding.

Specifications & Details

  • Manufacturing Facilities:

    Bossier City, LA

    Note:

    Mini-Rib is not applicable for exterior roof panels.

    Note:

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

  • Pending

  • Coating:

    - Kynar 500® (PVDF)

    - Silicone Modified Polyester (SMP)

    Substrate:

    - Standard 26 GA Galvalume®

    - Optional 24 GA Galvalume

    - Optional 29 GA Galvalume (Liner Panels - Narrow Coverage)

Multi-Cor and M-Cor Panel

While quickly communicating their high-strength performance attributes, our corrugated metal panels are reminiscent of yesteryear and simpler times. Consistent, rounded corrugations make Multi-Cor and M-Cor ideal panels to achieve nostalgic appeal whether installed as a wall, roof or interior accent panel.

For added aesthetic appeal, horizontal installations showcase corrugated design capabilities. Multi-Cor and M-Cor are similar in design, with M-Cor offering a more subtle rib height and configuration.

Specifications & Details

  • Minimum slope:

    1:12

    Tape Sealant:

    Required on all slopes

    Installation:

    Over solid deck or open framing

    Manufacturing Facilities:

    Bossier City, LA

    Note:

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

  • Fire Rating:

    Class A

    Uplift Test:

    UL580 Class 90 (Multi-Cor only)

    Class 4 Impact Resistance:

    UL2218

    Florida State Approval:

    10680.1 (Multi-Cor only)

    Texas Department of Insurance Approval:

    Evaluation RC-158 (Multi-Cor only)

  • Coating:

    - Kynar 500® (PVDF)

    - Silicone Modified Polyester (SMP)

    Substrate:

    - Standard 26 GA Galvalume®

    - Optional 24, 22, GA Galvalume (Multi-Cor)

    - Optional 29, 24 GA Galvalume (M-Cor)

Multi-V Panel

Multi-V is an exposed fastener wall panel designed so that fasteners are placed in the valleys, making them visually less apparent. Multi-Rib's use is most common on pre engineered metal buildings as an alternative to standard R-Panel walls.

Specifications & Details

  • Manufacturing Facilities:

    Bossier City, LA; Clinton, IL; Winchester, VA; Adelanto, CA;

    Notes:

    - Panel to be used as a wall panel only

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

  • Pending

  • Coating:

    - Kynar 500® (PVDF)

    - Silicone Modified Polyester (SMP)

    Substrate:

    - Standard 26 GA Galvalume®

    - Optional 24 GA Galvalume

Max-Rib Panel

Max-Rib is a low profile (3/4-inch) panel that is equally well suited for residential roofing and post frame applications.

Varying applications, end uses, and expectations require different metal panel alternatives. Fortunately, 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.

Specifications & 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

  • Fire Rating:

    Class A

    Uplift Test:

    UL 580 Class 90

    Class 4 Impact Resistance:

    UL2218

    Florida State Approval:

    1747.2, 1832.3

    Fire Resistance:

    UL263

    Texas Department of Insurance Approval:

    Evaluation RC-157

  • Coating:

    - Kynar 500® (PVDF)

    - Silicone Modified Polyester (SMP)

    Substrate:

    - Standard 29 and 26 GA Galvalume®

    - Standard 29 GA G100 Galvanized

Mesa Panel

Many post frame and residential panels look identical from manufacturer to manufacturer. Mesa is a patent and copyright protected panel that can't be copied and features a nearly invisible lap offering a distinctive look.

Mesa's standard paint system is Kynar 500® (PVDF), the industry's best coating for long-term protection against panel chalk and fade.

Specifications & Details

  • Minimum slope (with sealant):

    1:12

    Minimum slope (without sealant):

    3:12

    Feature:

    Nearly invisible lap

    Note:

    - Patent and copyright protected.

    - Ideal for post frame structures and residential roofing.

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

    Note:

    Mesa is also available with MoistureLok

  • Fire Testing:

    Class A

    Uplift Test:

    UL 580 Class 90

    Class 4 Impact Resistant:

    UL2218

    Fire Resistance:

    UL263

  • MoistureLok:

    Available

    Coating:

    Kynar 500® (PVDF)

    Substrate:

    Standard 26 and 29 GA Galvalume®

    Manufacturing Facilities:

    Marshall, MI; Lewisport, KY; Mauston, WI

Modern Rib

Modern-Rib combines the economics of an exposed fastener panel but with major ribs that simulate standing seam panels. Although an exposed fastener panel, Modern-Rib adds beauty and sophisticated styling to residential roofs and post frame structures.

Modern-Rib is available with Silicone Modified Polyester (SMP) and Kynar 500® (PVDF) coatings. For long-term performance and curb appeal, McElroy always recommends PVDF coatings.

Specifications & Details

  • Minimum slope (with sealant):

    1:12

    Minimum slope (without sealant):

    3:12

    Manufacturing Facilities:

    Marshall, MI

    Note:

    -Ideal for post frame structures and residential roofing.

    -Must be installed over solid decking for roof applications.

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

  • Fire Testing:

    Class A

    Uplift Test:

    UL 580 Class 90 (Pending)

    Class 4 Impact Resistant:

    UL2218

    Fire Resistance:

    UL263

  • Coating:

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

    Substrate:

    Standard 26 and 29 GA Galvalume®, 29 GA G-90 bare and G-100 painted

Multi-Rib Panel

Multi-Rib is our 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.

Specifications & 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

  • 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

  • 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®

R-Panel

R-Panel is a multi-use wall and roof panel used primarily in pre-engineered metal building applications. R-Panel is also a popular choice for residential metal roofing, especially in the Southwest. An optional purlin bearing leg (PBR) rests on purlins and provides support for fastening the panel lap.  Fade and Chalk resistant Kynar 500 (PVDF) coatings are a McElroy Metal standard for R-Panel and provide building owners with a long-term, high performing panel that retains its original color and beauty year after year.

Specifications & Details

  • Minimum slope (with sealant):

    1:12

    Manufacturing Facilities:

    Bossier City, LA; Clinton, IL; Ashburn, GA; Sunnyvale, TX; Diamond, MO

    Note:

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

  • Fire Rating

    Class A

    Uplift Test

    UL580 Class 90; ASTM E 1592 (24 Ga. PBR)

    Air Infiltration

    ASTM E1680

    Water Infiltration:

    ASTM E1646

    Class 4 Impact Resistance:

    UL2218

    Static Water:

    FM 4471 Appendix G (24 GA PBR only)

    Florida State Approval:

    1747.9, 1832.11

    Fire Resistance:

    UL263

    Miami Dade Approval

    Texas Department of Insurance Approval:

    RC-284 (PBR Only)

  • Roof panels:

    purlin bearing leg required

    Wall panels:

    non-purlin bearing leg optional

    Coating:

    - Kynar 500® (PVDF)

    - Silicone Modified Polyester (SMP)

    Substrate:

    - Standard 26 GA Galvalume® (roof and wall panels)

    - Optional 24, 22 GA Galvalume (wall panels only)