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3GM Steel supplies painted coil to a wide range of product applications in the construction and construction-related industries, including; residential and commercial roofing, metal building components, and carports. All products are produced from tension leveled, extra smooth substrate in a wide variety of gauges, paint finishes and colors. If your application calls for world-class quality, tight tolerances, and consistent order-to-order color, 3GM Steel has the right combination of top-class mill and paint suppliers to handle all of your product requirements.

3GM Steel offers a premium product line featuring a 40-year silicon modified intended for residential, agricultural, and commercial applications. Our two-coat SMP systems offer 40-year extended warranty protection, and are produced by the industry’s leading paint companies, including AkzoNobel and Valspar. Available paint systems include; Regular Polyester (10-yr RMP), Silicon-Polyester (SMP), Textured SMP (textured coating, as well as wood grain, slate or granite patterns), and PVDF. We maintain a full inventory of 29 and 26 gauge prepainted coil, featuring a color pallet of 30-standard colors, as well as customer color-matching capabilities. 

3GM Steel’s inventory stocking program features a Galvalume® substrate (ASTM A792 / A792M). Galvalume® coating consists of an aluminum-zinc alloy of 55% aluminum, 43.4% zinc and 1.6% silicon over the base metal to protect it from the elements. This coating has superior corrosion resistance which gives it two to four times the life span over traditional galvanized metal. We also supply galvanized (ASTM-A653) substrate per customer requirement.

Technical Details

  • AZ50/55 Galvalume (ASTM A792)

  • Stocking Program Available in 26ga & 29ga

  • SMP finish in 26ga & 29ga

  • RMP finish in 29ga

  • Available in over 30 colors (custom colors available)

  • Metal samples are available upon request

Customer Stocking Program 



Contact us today with any questions! We have superior customer service and product ready to ship!

Customer Project Examples

3GM Steel - Galvalume Metal Roof
3GM Steel Blue Metal Roof
3GM Steel - Metal Building
3GM Steel - Green Metal Roof
3GM Steel - Red Metal Barn
3GM Steel - Copper Penny
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