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Insulated Metal Roof Panels (IMP) – High-Performance Roof Systems

Energy-efficient, durable, and architecturally versatile insulated metal roof solutions.

McElroy Metal partners with Green Span Profiles to manufacture insulated metal roof panels that deliver structural strength, high thermal efficiency, and clean architectural aesthetics. These IMP panels combine the exterior skin, interior liner, and insulation into a single component for fast installation and long-term performance in commercial, industrial, and climate-controlled buildings.

Insulated Metal Roof Panels (IMP) 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
Insulated Metal Roof Panel; Core type: Rigid polyisocyanurate foam
N/A
12" & 42" (profile dependent)
36" & 42" (profile dependent)
53' & 75' (profile dependent)
No
Exterior Skin: 22 GA, 24 Ga, & 26 GA Galvalume®; Interior Skin: 26 GA
Solid Deck or Open Framing
Kynar 500® (PVDF) & Silicone Modified Polyester (SMP)
1/2:12 to 3:12 (profile dependent)

IMP Roof Panels Ideal Applications

Standing Seam Insulated Metal Roof Panels

  • Commercial buildings including offices, schools, and healthcare facilities requiring a high-performance, weathertight roofing system.

  • Low-slope roof applications where superior water resistance and concealed fastener performance are critical.

  • Energy-efficient buildings and conditioned spaces that demand continuous insulation and thermal performance.

Exposed Fastener Insulated Metal Roof Panels

  • Agricultural buildings such as barns, equipment storage, and livestock facilities needing durable, cost-effective metal roofing.

  • Industrial facilities including warehouses and manufacturing plants where fast installation and performance are key.

  • Commercial and retail buildings seeking an economical insulated metal roofing solution.

  • Self-storage and light commercial projects balancing budget, durability, and installation speed.

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Top 3 Benefits of Insulated Metal Roof Panels

  1. Single-component panel design enables faster installation, reducing labor costs and shortening overall construction timelines.

  2. Superior thermal performance with continuous insulation improves energy efficiency and helps reduce heating and cooling costs.

  3. Integrated air, water, and vapor control creates a high-performance building envelope with enhanced weather resistance and moisture protection.

McElroy Metal IMP Offering

McElroy Metal offers a complete line of insulated metal roof panels manufactured in partnership with Green Span Profiles. Our roof systems are available in multiple profiles, thicknesses, and finishes to meet a wide range of performance and design requirements.

McElroy Metal IMP Offering

McElroy Metal offers a complete line of insulated metal roof panels manufactured in partnership with Green Span Profiles. Our roof systems are available in multiple profiles, thicknesses, and finishes to meet a wide range of performance and design requirements.

McElroy Metal’s Ridgeline’s slide-in joint lets crews position panels without heavy rolling, reducing coordination and lift strain. Symmetrical, mechanically seamed insulated roof panel system offering full panel replaceability, and start-anywhere flexibility 

Combines the proven performance of insulated metal technology with the simplicity of a through-fastened R-panel design. Tailored for pre-engineered metal buildings and a wide range of commercial and industrial projects, HighLine™ delivers reliable Green Span quality in our most economical insulated panel system — designed for lasting value and everyday performance.

McElroy Metal’s Ridgeline’s slide-in joint lets crews position panels without heavy rolling, reducing coordination and lift strain. Symmetrical, mechanically seamed insulated roof panel system offering full panel replaceability, and start-anywhere flexibility 

Combines the proven performance of insulated metal technology with the simplicity of a through-fastened R-panel design. Tailored for pre-engineered metal buildings and a wide range of commercial and industrial projects, HighLine™ delivers reliable Green Span quality in our most economical insulated panel system — designed for lasting value and everyday performance.

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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 are insulated metal roof panels (IMPs)?
Insulated metal roof panels are factory-assembled panels that combine a metal exterior and interior skin with a rigid foam core, delivering continuous insulation and a high-performance building envelope in a single component.
What are the benefits of insulated metal roof panels?
IMPs provide superior thermal performance, integrated air and moisture control, and faster installation compared to traditional multi-component roofing systems.
Are insulated metal roof panels energy efficient?
Yes, IMP roof panels offer continuous insulation that reduces thermal bridging and helps lower heating and cooling costs, making them an energy-efficient roofing solution.
What types of buildings use insulated metal roof panels?
IMP roof panels are commonly used in commercial, industrial, cold storage, agricultural, and institutional buildings where energy efficiency and durability are important.
How long do insulated metal roof panels last?
With proper installation and maintenance, insulated metal roof panels can last 40 years or more while maintaining performance and appearance.
Are IMP roof panels watertight?
Yes, when properly installed, IMP roof panels provide excellent air and water resistance through engineered interlocking joints and sealed connections.
Can insulated metal roof panels be used on low-slope roofs?
Yes, some IMP roof panel styles are well-suited for low-slope applications and are designed to deliver strong weather resistance in these conditions.
Are insulated metal roof panels fire resistant?
Many IMP systems offer fire-resistant core options and can meet fire rating requirements depending on the panel type and assembly.
Can insulated metal roof panels be used for retrofit projects?
Yes, IMP roof panels are often used in retrofit applications to improve insulation, upgrade performance, and extend the life of existing buildings.
How do insulated metal roof panels compare to traditional roofing systems?
IMPs combine multiple components into a single panel, reducing installation time while improving thermal performance, moisture control, and overall building efficiency.

IMP Wall Articles

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