Metal Roofing Panels

What is a Metal Roof Panel?

Metal roofing panels have been a workhorse in the construction industry since the turn of the century.  Initially, small pieces of copper and zinc were hand formed by craftsman.  The slow and manual process created beautiful but often price prohibitive roofs. 

Over time, rolling manufacturing lines were introduced.  This mechanization enabled a quicker and more efficient production and install process as roll formed sheets routinely covered a 3' wide section of the roof with one panel running from eave to ridge.

This advancement made metal roofing both durable and affordable.  The only piece left of the puzzle was the appearance.  In the early days, roll formed panels had a simple rounded corrugation and finish options were limited at best.  But how the industry has changed!  Todays savvy consumers can choose from multiple profiles, paint systems, substrates and extensive color selections.  Thanks to these advances, metal roofing is one of the most cost effective, beautiful and environmentally friendly roofing choices available.

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Advantages of Metal Roofing Panels

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With a life expectancy of 50-60 years, metal roofing products last 2-3 times longer than other roofing options.

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Metal roofs are energy efficient and can actually help reduce heating and cooling bills by 20-25%

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Metal roofing panels are fully recyclable at the end of their service life making them an environmentally friendly option.

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Metal roofs stand up to harsh weather events like hail and strong winds better than other roofing materials.

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Metal roofing panels are one of the lowest maintenance roofing products on the market.

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Kynar paint technologies allow metal roofing to retain it's like new curb appeal for decades.

At McElroy Metal, we're proud to have one of the most robust roofing product lines in the industry.  From exposed fastened to standing seam and even insulated metal roofing systems, we've got you covered.

In fact, we even offer products for unique applications like curved standing seam panels, patented recover solutions and panels that can be jobsite roll formed to allow continuous panel lengths up to 250' long.

Learn more about our product options below or simply Contact Us, we're here to help.  

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Standing Seam Metal Roof Panels

A standing seam roof system, also classified as concealed fastener panels, utilizes a series of adjoining panels that are connected by raised seams (or vertical legs). Seam heights vary, but are typically 1 to 2 ½ inches tall and allow the panels to snap together without any exposed fasteners. In addition to providing a sleek, modern look, standing seam roofs allow panels to expand and contract with changing temperatures, helping them to last longer and cause less wear and tear on the roof deck. For residential applications, most standing seam panels snap together while others require mechanical seaming. Mechanical seamed panels provide greater strength and wind uplift capabilities.

Maxima

With an opportunity to choose from three distinct Maxima profiles: Maxima, Maxima 1.5 and Maxima ADV, McElroy’s Maxima family of products represents the industry’s broadest selection of vertical leg standing seam systems. While not utilized extensively for residential applications, Maxima is a great option for homes along coastal areas where high strength and wind resistance is important.

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Medallion-Lok

Medallion-Lok effectively captures the beauty and elegance of a standing seam roof. Adding curb appeal to any home, the narrow 1.75" tall standing seam creates crisp, clean visual lines. Medallion-Lok is an excellent choice for larger, custom homes.

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Meridian

Meridian has it all! An aesthetically pleasing, snap-together, standing seam roof panel that is economical and easy to install. With no need for clips, Meridian panels are simply attached to the roof deck with pancake head fasteners. Always an excellent choice! 

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138T & 238T

138T and 238T systems are classified as symmetrical standing seam systems and offer many advantages over traditional standing seam panels. Due to the symmetrical standing seams, individual panels can be removed and replaced in the event of damage. McElroy Metal's Shingle Recover System features the 138T panel and is an economical and energy efficient method to recover an existing shingle roof. 

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MasterLok-90/MasterLok-FS

MasterLok-90 (also referred to as ML-90) is a snap together trapezoidal standing seam system and MasterLok-FS is a mechanically seamed trapezoidal system. Both are designed for projects with slopes as low as 1/4:12. 

MasterLok-FS (also referred to as ML-FS) is a mechanically seamed trapezoidal standing seam system also designed for projects with slopes as low as 1/4:12.

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Mirage II

Mirage II is a concealed fastener roofing panels with 8" on-center ribs. Mirage II ribs are 1 3/4" high. Mirage II can be installed over solid deck or substructural members.

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Medallion I/Medallion II

Medallion I and Medallion II are older models of architectural standing seam systems and utilize separate batten caps that are installed over adjoining roofing panels. Medallion I features a narrow batten cap while Medallion II features a wider cap. Both Medallion systems are installed over solid decking. These panels are better suited for application like eyebrows over windows or other accent installations. For most homeowners, newer standing seam models such as Meridian or Medallion-Lok are a better option in terms of weather resistance and performance.

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Instaloc

Instaloc is a snap-together standing seam system that features a 1” seam and is installed with concealed clips. Instaloc is designed to be used with solid decking and the low profile seam makes the panel an excellent option for residential applications.

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Standing Seam Roof Panel Options

Exposed Fastener Metal Roof Panel

The most economical form of metal roofing, exposed fastener roofing, consists of overlapping panels that are fastened directly to the roof deck or framing through the face of the metal. They are called “exposed” because the fastener head remains visible once installed. However, fastener heads are painted the same color as the roofing panels to help make them less apparent. Most exposed fastener panels are typically 36” wide, meaning that fewer panels (and less labor) will be needed to cover the roof area.

Max-Rib

Max-Rib is a low profile (3/4") panel that is very popular with homeowners across the country due to its aesthetic appeal and price point. This panel profile is also very common in the industry and many manufacturers offer this panel in a wide variety of steel substrates and coatings. Homeowners should make sure the product being installed on their home matches their long-term performance criteria. For residential applications, McElroy strongly recommends a Galvalume steel substrate with Kynar 500® (PVDF) coatings, which offer optimal performance and protection against fade and chalk.

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Multi-Rib

Multi-Rib is McElroy’s proprietary version of the industry’s standard R-Panel and commonly utilized for residential roofing, primarily in the Southwestern region. Featuring 1 1/4" major ribs, 12 inches on center, Multi-Rib's bold profile adds a distinct beauty to any home. An optional Purlin Bearing Leg (PBR) rests on substructural framing or roof deck to provide support for fastening the panel lap.

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R-Panel

McElroy’s R-Panel features a 1 1/4" major rib, 12 inches on center. With a bold profile, R-Panel is commonly utilized for residential roofing, primarily in the Southwestern region of the US. An optional Purlin Bearing Leg (PBR) rests on substructural framing or roof deck to provide support for fastening the panel lap.

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Mega-Rib

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. 

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Multi-Cor & M-Cor

Multi-Cor and M-Cor are classic corrugated roofing panels. Multi-Cor features a 3/4 rib height and M-Cor features a 1/2" rib height.  These corrugated panels are also commonly used for residential siding applications, installed both vertically and horizontally.

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Mesa

Mesa is a low profile (3/4") panel that is similar in appearance to Max-Rib. However, Mesa is both patent and copyright protected, which means it can't be copied by manufacturers offering lower quality steel substrates and coatings. Mesa is a great choice for homeowners that want quality assurance and a distinct appearance that can't be copied.

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5V

McElroy’s 5V panels are 24" wide and incorporate a classic design that adds beauty to any home. 5V is especially popular along coastal areas in the South and Southwestern USA.

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U-Panel

U-Panel is an exposed fastener wall and roof panel. With a ¾” (approximate) rib height and 6” on center rib spacing, U-panel offers a lower profile and softer appearance than R-Panel or Multi-Rib.

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Exposed Fastener Roof Panel Options

Metal Shingles and Tile

Combining the aesthetic look and curb appeal of traditional shingles, clay tile, cedar shake, and slate with all the performance benefits of metal, these systems are a popular option for homeowners looking for a fast, easy, and affordable roofing solution that simulates the appearance of other roofing materials. The benefit to the homeowner is the desired visual appearance plus all the benefits of metal roofing.

Met-Tile - Metal Roof Tiles

Met-Tile is lightweight, energy efficient and aesthetically attractive. A Met-Tile roof looks so much like tile, most people are surprised to learn that they are actually metal roof tiles.

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Milan (Steel Shingles)

Milan steel shingles add beauty and curb appeal to any home. Milan provides the aesthetic appearance of shingles, slate or shake with all the benefits of metal.

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Tilcor Stone Coated Roofing

Tilcor's™ CF Shingle has been specifically designed to resemble the look of traditional Asphalt Shingles but without the inherent ongoing issues that many home owners face.

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Metal Shingles and Simulated Tile Options

Insulated Metal Roof Panel

Green Span Profiles is a McElroy Metal joint venture company that manufactures Insulated Metal Panels (IMP’s) for walls and roofs. Green Span’s Ridgeline roof panel, featuring a 238T symmetrical seam, is available in thicknesses from 2 ½” to 5”.

RidgeLine Roof Panel

RidgeLine is the IMP industry’s premier insulated standing-seam roof panel. Ridgeline features a 238T Symmetrical Standing Seam which allows for sliding the panels together rather than lifting and/or rolling the panels into place.

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Insulated Metal Roof Panel Options

Recover and Retrofit Roofing Panel

For commercial property owners confronted with aging or deteriorating roofs, a complete tear-off and replacement may not be an economical or viable long-term solution. This is especially true for roofs with 1/4:12 slope or greater with conventional membranes that require ongoing maintenance due to moisture damage and UV degradation. Owners of 30-40 year old pre-engineered buildings also benefit greatly from a new roof that installs directly over existing metal panels. Fortunately, recover and retrofit systems like metal-over-metal or metal-over-shingles can provide the benefits of a standing seam metal roof without the hassle of replacing the roof entirely. Our systems can be adapted to the existing roof’s structural support system to provide long-term life expectancy and reduced life-cycle costs while also enhancing the property’s curb appeal.

138T Shingle Recover

McElroy Metal’s 138T Shingle Recover System provides a long-term and economical solution for commercial building owners and homeowners. This innovative system installs directly over existing shingles and the patented clips create an energy saving Above Sheathing Ventilation (ASV) airspace between the existing roof and new 138T roof.

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238T Metal-Over-Metal Recover

McElroy Metal has a patented 238T frameless Metal-Over-Metal recover option that provides a low cost recover solution over existing exposed fastened panels. This system utilizes McElroy's easily repairable symmetrical 238T standing seam panel while providing a long-term solution to existing metal roofs that have completed their service life at a cost that is competitive with single-ply recover and will last two (2) to four (4) times longer.

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Recover and Retrofit Roofing Panel Options