Union’s products are available in several grades designed to suit your desired level of performance. Our premium grades are Metal Construction Association (MCA) certified for use on residential and light commercial applications. The MCA set industry guidelines for quality and durability in response to problems with manufacturers selling substandard products that performed poorly over time. Union is one of only a handful of manufacturers that offer certified steel metal roofing systems. See the MCA’s website at www.metalconstruction.org for more information.
Our 300 and 500 series steel metal roofing systems use high strength steel that’s protected by an aluminum, zinc, and silicon anti-corrosion coating, commercially known as Galvalume®. The corrosion resistance of our steel metal roofing system is so outstanding, even our unpainted Galvalume® panels carry a 30 year limited warranty. On top of our premium base metals, we offer several state-of-the-art multi-layer paint systems that offer years of fade and chalk resistance. Below you’ll find descriptions for our various steel metal roofing systems.
| Paint / Metal System | Paint Limited Warranty* | Metal Limited Warranty* | Base Metal Description | Paint Description | MCA Certified | Energy Star Certified Colors Available** |
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Lifetime | Lifetime | Premium steel with an aluminum, zinc, and silicon anti-corrosion coating (Galvalume®) | Premium siliconized modified polyester (SMP) paint system with enhanced UV protection. Offers outstanding long-term fade and chalk resistance. | Yes | Yes |
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40 Yr | 40 Yr | Premium steel with an aluminum, zinc, and silicon anti-corrosion coating (Galvalume®) | Premium siliconized modified polyester (SMP) paint system with enhanced UV protection. Offers outstanding long-term fade and chalk resistance. | Yes | Yes |
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30 Yr | 30 Yr | Premium steel with an aluminum, zinc, and silicon anti-corrosion coating (Galvalume®) | PVDF (Kynar 500® or Hylar 5000®) paint system that offers the highest level of long-term fade and chalk resistance. | Yes | Yes |
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20 Yr | 0 Yr | Steel with a zinc anti-corrosion coating (Galvanized) | Entry level paint system. Not recommended for residential applications. | No | No |
| Unpainted Galvalume ® | N/A | 30 Yr | Premium steel with an aluminum, zinc, and silicon anti-corrosion coating. Has a clear Acrylic top-coat. | N/A | Yes | Yes |
| Unpainted Galvanized | N/A | 0 Yr | Steel with a zinc anti-corrosion coating (Galvanized) | N/A | No | No |
** Note: Not all colors are Energy Star certified. Please see the color charts for the specific Series to confirm if the color is certified.
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