Your Custom Metal Roofing Manufacturer
As an INC. 5000 Award recipient, Sheet Metal Unlimited is recognized as one of America’s fastest-growing metal roofing manufacturers. Our growth is driven by consistent quality, dependable delivery, and long-term partnerships with contractors and builders across the country.
* Available in 24GA Galvalume and .032 Aluminum
SN-100 (1" Nail Strip Standing Seam Panel)
Our entry-level nail strip standing seam panel features an integrated fastening flange designed for fast, efficient installation. Precision slotted holes along the male leg allow for controlled thermal movement, reducing stress on the panel system over time. The advanced snap-lock seam enables easy panel engagement and allows for removal when required, making future adjustments or repairs simple. This panel is an excellent budget-friendly solution for residential and light commercial projects. Available in steel and aluminum, it offers durability, corrosion resistance, and affordability—making it a smart choice for coastal environments.
* Available in .032 Aluminum only.
SN-150 (1.5" Nail Strip Standing Seam Panel)
Our 1.5″ nail strip standing seam panel builds on the efficiency of our entry-level system with a taller 1.5″ seam height for enhanced rigidity and a more pronounced architectural profile. The wider 19″ panel coverage reduces the number of seams required, allowing for faster installation and a cleaner finished appearance. Precision slotted fastening holes are engineered to accommodate thermal movement, helping minimize stress on the roof system over time. Featuring a reliable snap-lock seam, panels can be installed efficiently and removed when necessary for future service or modifications. Manufactured exclusively in .032 aluminum, this panel delivers excellent corrosion resistance and long-term performance, making it an ideal solution for coastal residential and light commercial applications.
* Available in 24ga, .032 Aluminum and .040 Aluminum .
SN-175 (1.75" Snap Lock Standing Seam Panel)
Our 1.75″ snap lock standing seam panel is our highest-performance roofing system, engineered for maximum strength, durability, and architectural impact. Featuring a tall 1.75″ seam height and 18″ panel coverage, this system deliver superior rigidity, wind resistance, and long-term performance. The robust snap-lock seam design ensures precise panel engagement and secure installation, making it ideal for demanding residential and commercial applications. As our most premium offering, this panel is designed for projects where performance, longevity, and appearance take priority over cost, delivering a bold profile and unmatched reliability.
* Available in 24ga galvalume and .032 Aluminum.
S-1300 (1.5" Mechanical Lock Standing Seam Panel)
Our 1.5″ mechanical lock standing seam panel is the industry standard for high-performance metal roofing systems. With a 16″ panel width and a 1.5″ tall mechanically locked seam, this panel delivers exceptional strength, wind resistance, and long-term reliability. Designed for performance-driven applications, the mechanically seamed profile provides superior weather tightness and structural integrity compared to snap-lock systems. This panel is an excellent choice for future solar panel installations, offering secure attachment points and proven durability for long-term roof-mounted systems. Ideal for both residential and commercial projects, the 1.5″ mechanical lock panel combines trusted performance with architectural versatility.
* Available in 24ga, 22ga galvalume and .032, .040 Aluminum.
S-2000 (2" Mechanical Lock Standing Seam Panel)
Our 2″ mechanical lock standing seam panel is a structural-grade roofing system engineered for maximum strength and demanding applications. With a 16″ panel width and a full 2″ tall mechanically locked seam, this panel provides significantly greater rigidity and load capacity than 1.5″ mechanical systems. The mechanically seamed profile delivers superior wind uplift resistance, weather tightness, and long-term structural performance. Designed for commercial and industrial installations, this panel is ideal for large-scale projects requiring enhanced durability, structural integrity, and dependable performance in challenging environments.
* Available in 24ga only (costal coatings available upon request)
T-138 (1-3.8" Tee Lock Standing Seam Panel)
The T-138 mechanically seamed standing seam panel features a distinctive T-shaped profile with 16″ panel coverage and a 1-3/8″ seam height, engineered for reliable performance in recovery applications. This system is an ideal solution for roof-over installations, allowing new metal panels to be installed over qualifying existing shingle roofs—resulting in significant labor and disposal cost savings. The mechanically seamed profile delivers enhanced weather tightness and long-term durability, making it a practical and cost-efficient option for both residential and commercial recovery projects. Existing shingle roofs must meet qualification requirements prior to installation to ensure proper performance and compliance.
* Available in 24ga and 22ga only (costal coatings available upon request)
T-238 (2-3.8" Tee Lock Standing Seam Panel)
The T-238 mechanically seamed standing seam panel is a structural-grade roofing system engineered for demanding commercial and industrial applications. Featuring 16″ panel coverage and a tall 2-3/8″ seam height, this panel delivers exceptional strength, load capacity, and long-term performance. The robust mechanically seamed profile makes T-238 ideal for open purlin systems without full decking, as well as metal roof-over applications on warehouses and industrial buildings. Designed for large-scale projects requiring superior structural integrity and weather resistance, the T-238 panel is a reliable solution for high-performance industrial roofing systems.
* Available in 24ga galvalume or .032 aluminum.
R-100 (1" Reveal "Flush" Panel)
The 1″ Reveal panel is our newest architectural soffit and wall panel system, designed to deliver a clean, modern appearance with precise shadow lines. Featuring a 1″ panel depth and available in 12″ to 16″ widths, this system offers customizable reveal gaps ranging from 1/2″ to 3″ to achieve a wide range of architectural aesthetics. Panels can be manufactured with perforations for ventilation, making them ideal for soffit applications requiring airflow while maintaining a sleek, finished look. Engineered for both interior and exterior wall and ceiling applications, the 1″ Reveal panel combines design flexibility, functionality, and modern architectural appeal.
OUR PANEL PROFILES
FAQ
Q: Is a metal roof more costly than shingles?
A: While metal roofing may have a higher upfront price compared to asphalt shingles, it delivers exceptional long-term value. Metal roofs last significantly longer, require very little maintenance, and can help reduce energy costs—often making them a more economical choice over time.
Q: What is the expected lifespan of a metal roof?
A: Even though the typical warranty for metal roof last up to 45 years, A properly installed metal roof can last even up to 50–70 years. depending on the material and environment. This far exceeds the lifespan of traditional roofing systems, making metal roofing a long-term investment.
Q: Does installing a metal roof add value to my property?
A: Yes. Metal roofs are widely recognized for increasing home value due to their durability, energy efficiency, and modern appearance. Many buyers see metal roofing as a premium upgrade with long-term benefits.
Q: Are metal roofs compatible with solar panels?
A: Yes. Standing seam metal roofs are ideal for solar installations because panels can often be clamped directly to the seams—eliminating roof penetrations and preserving long-term watertight performance.
Q: Can a metal roof be installed over an existing roof?
A: In many cases, metal roofing can be installed over an existing shingle roof, reducing labor and disposal costs. The existing roof must meet structural and code requirements before qualifying for a roof-over installation. Our T-138 profile is specially designed for this application.
Q: Are metal roofs vulnerable to corrosion or rust?
A: Metal roofs require minimal upkeep. Routine inspections, basic cleaning, and clearing debris from valleys and gutters are typically all that’s needed to keep the system performing for decades.
