M-Cor G+ House-Rizzo-compressed

M-Cor Exposed Fastened Metal Roof & Wall Panel

Shallow-Rib Corrugated Metal Panel for Roof and Wall Applications

McElroy Metal’s M-Cor is a low-profile corrugated exposed fastener panel that delivers the classic look of traditional corrugated metal with a lighter, more refined appearance. Featuring closely spaced ½" ribs, M-Cor provides smooth texture and subtle shadow lines ideal for roof, wall, and interior applications.

Renderings & Profiles

Great for:

walls-icon
WALLS
roofs-icon
ROOFS
residential-icon
RESIDENTIAL
commercial-icon
COMMERCIAL
M-Cor Panel
M-Cor Panel Profile
M-Cor Exposed Fastened Metal Roof & Wall Panel Specs at a Glance*
Panel Type
Rib Height
Major Rib On Center
Cover Width
Factory Panel Length
Onsite Forming Available
Substrate/Gauges
Installation
Finishes
Minimum Slope
Exposed Fastener Corrugated Metal Roof & Wall Panel
1/2”
2.67”
34.67"
Up to 50' (varies by manufacturing facility)
No
26 GA Galvalume®
Solid Deck or Open Framing
Kynar 500® (PVDF) & Silicone Modified Polyester (SMP); Galvalume® Plus (acrylic-coated)
1:12 Sealant required on all slopes

*Specifications and details are subject to change. Always verify project requirements with current McElroy Metal technical documentation

M-Cor Ideal Applications

  • Residential, agricultural, and light commercial roof and wall systems.

  • Interior walls, ceilings, and architectural accents featuring corrugated styling.

  • Retrofit and new construction projects requiring lightweight strength and design flexibility.

  • Utility and outbuildings where value and weather protection are priorities.

M-Cor Panel
M-Cor Panel
M-Cor Panel
M-Cor and Mega-Rib Panel

M-Cor Top 3 Benefits

  1. Classic Corrugated Design, Lower Profile: ½" ribs provide the traditional corrugated look with a softer, more refined texture suitable for smaller structures and interior spaces.

  2. Lightweight and Easy to Install: Panels attach with exposed fasteners for quick installation and simple maintenance.

  3. Durable Finishes and Long-Term Protection: Available in Galvalume®, Kynar 500® (PVDF) finishes for superior fade, chalk, and corrosion resistance and Silicone Modified Polyester (SMP) finishes for budget conscious projects with lower performance expectations.

Compare our Metal Panels Using the Tool Below

  • Compare Exposed Fastened Roof Panels
  • Compare Exposed Fastened Wall Panel
Panel
Seam Type
Rib Height
Panel Widths
Minimum Slope
Install Substrate
Clips
Substrate / Gauges
Coating
Notable Approvals / Tests
M-Cor Exposed Fastened Metal Roof & Wall Panel
Exposed Fastened Wall & Roof
1/2”
34.67"
1:12 Sealant required on all slopes
Solid Deck or Open Framing
N/A
26 GA Galvalume®
Kynar 500® (PVDF) & Silicone Modified Polyester (SMP); Galvalume® Plus (acrylic-coated)
UL 263 Class A; UL580 Class 90; ASTM E1680/E1646; UL 2218 Class 4;
Panel
Seam Type
Rib Height
Panel Widths
Minimum Slope
Install Substrate
Clips
Substrate / Gauges
Coating
Notable Approvals / Tests
M-Cor Exposed Fastened Metal Roof & Wall Panel
Exposed Fastened Wall & Roof
1/2”
34.67"
1:12 Sealant required on all slopes
Solid Deck or Open Framing
N/A
26 GA Galvalume®
Kynar 500® (PVDF) & Silicone Modified Polyester (SMP); Galvalume® Plus (acrylic-coated)
UL 263 Class A; UL580 Class 90; ASTM E1680/E1646; UL 2218 Class 4;
Peachtree Solar-501-1

Notes & Manufacturing Locations

  • Manufactured in: Bossier City, LA

  • Additional Material Options: (Note: Minimum quantity and additional lead-time may apply)

    • 29 GA Galvalume®

    • 24 GA Galvalume®

  • Oil canning is a natural occurrence in metal panels and not a cause for rejection.

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Why Choose McElroy Metal

McElroy Metal is an employee-owned manufacturer with more than six decades of experience producing high-quality metal roofing, wall systems, and substructural components. Our nationwide manufacturing and service center network ensures consistent availability, responsive support, and dependable delivery. Built on a culture of craftsmanship and partnership, our products are engineered for long-term durability and trusted performance on projects of every size.

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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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Frequently Asked Questions

The questions below address common considerations and help guide product selection for your project.

What makes M-Cor different from Multi-Cor?
M-Cor features a shallower ½" corrugation pattern, offering a smoother appearance and making it ideal for smaller buildings or interior design use.
Can M-Cor be used indoors?
Yes. M-Cor’s lighter profile and refined texture make it a popular choice for interior walls, ceilings, and decorative applications.
What finishes are available?
M-Cor is available in Kynar 500® (PVDF) for superior color and weather resistance and Silicone Modified Polyester (SMP) for budget conscious projects. For non-painted applications, we offer Galvalume® Plus (acrylic-coated).
What slope is recommended for roof installations?
A minimum slope of 3:12 is recommended for proper drainage.

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