Great Northern Metals Co.
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Helpful Guides and How-Tos on all things roofing

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 mechanical lock standing seams. With this roofing system, single vs double seam is more than a...
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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...
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...
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.