Great Northern Metals Co.
Our Resources
Helpful Guides and How-Tos on all things roofing
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...
Avoid Mistakes: How to Order Metal Roofing
Ordering metal roofing—it’s all in the details! Unfortunately, it can be very easy to make a mistake when ordering...
Measuring A Roof For Metal Panel Installation
How to Measure a Roof for Metal Roofing Measuring a roof for metal roofing, whether it be new construction or remodel,...
4 Reasons to Consider Textured Metal Roofing
With Montana's unpredictable weather, your choice of roofing isn't just about aesthetics—it's a practical necessity....
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...
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...
Glossary of Metal Panel Trim Names & Types
We get it—there are a lot of different terms and words used in the metal roofing industry that would make anyone’s head spin trying to get them straight. To help you make...
Our Top 5 Panel Recommendations for Commercial Metal Roofing
Commercial buildings are created with the future in mind, so the roofing materials you select need to match that vision, too. An increasingly popular option for commercial...
Metal Panel Profiles or Colors: Which Do You Choose First?
Which one do you choose first: metal panel profiles or colors? We love that there are a wide variety of panel profiles (with concealed fasteners and exposed fasteners) and colors...
Avoid Mistakes: How to Order Metal Roofing
Ordering metal roofing—it’s all in the details! Unfortunately, it can be very easy to make a mistake when ordering metal roofing for your next project, especially if you take the...
Sponsoring The Bozeman Stampede and Supporting Local Youth Ag Programs
GNMC is excited to sponsor The Bozeman Stampede on August 11th, 12th, and 13th, a local non-profit PRCA rodeo that benefits youth ag programs. Not only are we excited about the...
Headlining Sponsor of the 2022 Livingston Round Up Parade
One of the most fun ways to invest in our local communities is to support community events that bring everyone together. This year we were excited to be the headlining sponsor of...
Teaching the Next Generation: GNMC Donates Time and Materials to Park High Class
GNMC is dedicated to helping our whole community grow, and we’re always looking for opportunities to lend a hand and have an impact. This spring GNMC was proud to donate our time...
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.