Great Northern Metals Co.
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Helpful Guides and How-Tos on all things roofing
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The Importance of Metal Roof Slope: Why 3:12 or Higher Matters in Panel Selection
Over the years, we’ve seen a dramatic increase in the number of low-slope roofs in both commercial and residential roofing projects in Montana. While low-slope roofs have a sleek aesthetic and can be useful in certain climates, they’re not as effective as you...
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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...
Soffit Metal Panels: Harness Their Benefits & Style for Your Building
Soffit Metal Panels When it comes to metal roofing and siding projects, most of your time and energy goes into making sure the surface and structural aspects of the roof are...
Surviving Building Season Surge: How to Stay On-Top & On-Schedule
The peak of building season has arrived in Montana! In the Big Sky State, building season can start as early as March and end as late as November. However, the busiest time of...
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...
Are Metal Roofs Fire Resistant? Evaluating their Strength against Flames
Let’s face it: when you live in a state like Montana, you need to be prepared for just about anything, especially during wildfire season. From May through October, the Big Sky...
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...
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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.