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Before You Put Them On The Roof, Marco Puts Them To The Test.

Before You Put Them On The Roof, Marco Puts Them To The Test.

In a competitive industry like roofing, you can’t take chances with the products and materials you use. That’s why so many roofers choose proven ventilation and accessories from Marco when installing a residential, commercial, or agricultural metal roof. Our products are exposed to the worst treatment and conditions you can imagine—all to prove they’ll live up to the Marco quality standard on your customers’ roofs.

Marco offers the most tested and certified products on the market, so you can trust them to provide Weather-Tite™ solutions that outperform the elements.

Unlike some suppliers, Marco invests heavily in testing to ensure our metal roofing products are safe, reliable and consistently high quality. Our partnership with one of the nation’s leading materials and product qualification testing labs augments our own internal quality control measures and performance testing. Accredited by A2LA/ISO 17025 and others, the lab tests Marco against competitive products to validate performance, durability, quality and additional important measures. This data is not only used by the engineers at Marco in product development, it provides third-party confirmation of our products’ superior performance.

In addition to stringent testing, which ensures Marco’s high quality and performance standards are met, we also submit a variety of products for various third-party certifications and code approvals.

For closure, ventilation, fasteners, flashing, sealant, underlayment, and accessories, you can have extra peace of mind in your installation knowing you’ve installed the best with Marco. Otherwise, you could be taking chances with your customers’ roofs and your business’ reputation.

To learn more about Marco, visit To contact Marco directly, you can email us here or call 1-800-800-8590.