Great Northern Metals Co.
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Helpful Guides and How-Tos on all things roofing
![Snap-Z Ridge Vents: How they Make Montana Metal Roof Ventilation Easy](https://gnmcusa.com/wp-content/uploads/2024/08/Great-Northern-Metal-Co-Snap-Z-Metal-Roof-Ridge.jpg)
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 of a house’s attic, and a home’s overall comfort. Proper ventilation is essential in...
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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...
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...
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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.