Great Northern Metals Co.
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Helpful Guides and How-Tos on all things roofing
How to Choose the Right Structural Metal Roof Panels for Your Projects
When you're designing a roof that needs to perform, structural panels are a different breed. These aren't your standard panels for looks or lightweight sheds. Structural metal roof panels are engineered to handle longer spans, harsh Montana weather, and fastener...
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Single vs Double Seam Mechanical Lock Standing Seam: Which is Best?
Whether you’re an architect outlining specs or a contractor getting ready to install metal panels, you need to understand the difference between single seam vs double seam...
Great Northern Metal: Your Best Partner for Commercial Roofing Projects
In the competitive landscape of Montana’s commercial construction, the quality of your roofing materials directly influences the success and durability of your project. And with...
Ice Damming 101: How to Combat Ice Dams on Metal Roofs
We’re no stranger to cold weather in Montana. Icy gales, heavy snowfall, and double negative degree weather are all part of the winter experience. However, ice dams on your metal...
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...
Metal Shiplap vs Board and Batten: How Do They Compare?
Functional. Stylish. Durable. Metal siding panels can easily be described with these words and more. Using metal panels as siding has grown in popularity over the years, offering...
5 Mistakes to Avoid When Fastening Exposed Fastener Metal Roof Panels
Fastening metal roof panels, especially exposed fastener panels, seems like a straightforward process. But common mistakes can lead to big problems down the line, leading to...
Snap-Z Ridge Vents: How they Make Montana Metal Roof Ventilation Easy
If you install metal roofing and siding roofing in Montana, you know how critical proper ventilation is for a roof. Ventilation helps maintain a roof’s integrity, the temperature...
Concealed and Exposed Fastener Panels: What’s the Difference?
There’s no doubt about the merits of metal roofing systems. Durable, aesthetically pleasing, and incredibly long-lasting, metal panels offer many rewards to property owners...
Your Guide to the Pros & Cons of Different Metal Roofing Materials
To its core, metal roofing is a superior roofing material. Metal panels are an all-around solid roofing choice from durability to longevity to aesthetic appeal. In Montana,...
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.








