Standing seam metal roofing is characterized by vertical panels that run from the ridge to the eave with raised seams that lock together — keeping all fasteners completely hidden from the elements. Within that system, there are three types, and the differences matter for your roof’s pitch, performance, and budget.
Nail Strip Standing Seam
Nail strip is our “good” option in standing seam and a strong performer at an accessible price point. Panels are secured through a nail strip at the seam, making installation straightforward without sacrificing performance. It’s available in a wide range of colors and finishes and delivers excellent wind resistance. For homeowners who want the clean look and durability of standing seam without the cost of more complex systems, nail strip is a solid starting point.
Snap Lock Standing Seam
Snap lock is our most commonly installed standing seam system and our “better” option. Panels connect through a male and female leg that snap together, with clips fastened beneath the panel and completely out of view. The result is a clean, seamless appearance with proven protection against wind, moisture, and Montana’s elements. It’s been an industry standard for good reason — straightforward to install correctly, reliable over time, and visually sharp.
Mechanical Lock Standing Seam
Mechanical lock is our “best” option and the most weather-tight standing seam system available. Panels are seamed using specialized folding tools that create a double-locked connection — the highest level of wind and moisture resistance standing seam can offer. It’s also the most versatile system we install, capable of handling slopes as low as a half-inch per foot where snap lock and nail strip aren’t appropriate, and can even be formed into a radius curve for architectural applications. It’s the most labor-intensive system to install, which is reflected in cost — but for the right roof and the right homeowner, there’s nothing better.
A quick note on pitch — nail strip and snap lock are appropriate for roofs with a pitch of 3/12 and above. Mechanical lock opens the door for low-slope applications where the other systems simply aren’t an option.
If you’re not sure which system is right for your roof, that’s exactly the conversation we have during an estimate. We’ll look at your pitch, your goals, and your budget and give you a straight recommendation.