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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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,...
Planning Your Roof Replacement: Why Spring and Summer Are Ideal Times
Have you heard of the Montana homeowner who wanted to replace their roof…in the middle of December? For residents of the Big Sky State, this sounds like the opening line to a bad...
Metal Roof vs Shingles: Why Metal Has the Upper Hand Every Time
Are you pondering the age-old question of whether to choose a sturdy metal roof or classic shingles for your property? Then you're in the right place. We're diving headfirst into...
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...
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.








