Great Northern Metals Co.
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Helpful Guides and How-Tos on all things roofing
Why Architects Choose Great Northern Metal Company for Metal Roofing and Siding
Metal roofing and siding can carry a lot of visual weight in a building design. Panel profile, finish, color, seam orientation, and custom trim details all affect how the finished project comes together. That makes the supplier an important resource well before...
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Hold On Tight: Your Guide to Metal Roof Wind Resistance
We’re no strangers to wind in Montana. Strong summer gusts near Livingston have been clocked at 110 mph or more, and icy gales race through the Rocky Mountain regions all year...
Metal Roof Cleaning 101: How to Keep It Looking Like New
Would you go five years without washing your car? We didn’t think so. The same goes for your metal roof. Metal roofing is relatively easy to maintain, but ignoring regular roof...
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...
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...
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...
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.








