Great Northern Metals Co.
Our Resources
Helpful Guides and How-Tos on all things roofing
What Panel Testing Really Means & Why It Matters for Your Next Metal Roof
It’s common knowledge that metal panels are one of the most durable options you can choose for roofing. But how do we actually know they are as strong as we say they are? How can you know a panel will hold up to a freak summer hailstorm or a strong gust of Livingston...
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Oil Canning on Metal Roofs: What It Is & Why It’s Nothing to Fear
The word “oil canning” often sends shudders down contractors’ spines or makes homeowners flinch. That’s because this minor deformation to metal panels is not only hard to avoid...
Are Metal Roofs Good for Snow & More Cold Weather FAQs
If you call Montana your home, you’ve seen how important it is to have residential and commercial buildings that can withstand the icy elements. Roofs can collapse under heavy...
Metal Roofs vs. Shingles in Cold Climates: Why Metal Roofs Reign Supreme
We know cold in Montana. With temperatures dipping below freezing in September and snow falling in June, Montanans face icy weather extremes for the majority of the year. Given...
The Role of Light and Dark Metal Roofing and Siding Colors in Energy Efficiency
You have many options to choose from when selecting metal roofing and siding colors for your project. Picking a color that compliments your project's aesthetic and matches your...
Teaching the Next Generation: GNMC Goes Back for the Second Year to Help Park High Students Put Roofs on Their Sheds
GNMC makes a return to Park High in Livingston to help students in the Industrial Technology class put metal panels on their sheds. GNMC was proud to teach these students how to...
The Ultimate Guide to Corrugated Metal Roofing & Siding
Corrugated Metal Roofing Durable, versatile, and visually pleasing—corrugated metal roofing and siding panels have it all and more! Corrugated panels are well-known for their...
Glossary of Metal Panel Trim Names & Types
We get it—there are a lot of different terms and words used in the metal roofing industry that would make anyone’s head spin trying to get them straight. To help you make...
Sponsoring The Bozeman Stampede and Supporting Local Youth Ag Programs
GNMC is excited to sponsor The Bozeman Stampede on August 11th, 12th, and 13th, a local non-profit PRCA rodeo that benefits youth ag programs. Not only are we excited about the...
Headlining Sponsor of the 2022 Livingston Round Up Parade
One of the most fun ways to invest in our local communities is to support community events that bring everyone together. This year we were excited to be the headlining sponsor of...
Get Updates on Weekly Lead Times
Great Northern’s lead times and updates around the shop. We want to keep everyone informed about the metal roofing industry and we hope to help inform and educate about steel roofing, trim, lead times, and the new machines we have in our shop.