A clean, modern metal roofing system engineered for durability, efficiency, and long-term performance.
The Medallion-Lok system is a premium snap-lock standing seam metal roof designed for both residential and light commercial applications. With its clean vertical lines and concealed fastener system, it delivers a sleek architectural look while providing long-term protection against the toughest New England weather.Unlike traditional roofing systems, Medallion-Lok panels lock together without exposed fasteners—reducing maintenance, preventing leaks, and extending the life of your roof.
WHY MEDALLION-LOK STANDS OUT
🔒 Concealed Fastener System
No exposed screws means fewer failure points and a cleaner, more refined appearance.
📐 Snap-Lock Installation
Panels mechanically lock together, allowing for faster installation without sacrificing strength.
❄️ Built for New England Weather
The raised seams and panel design help shed snow and resist ice damming.
⚡ Energy Efficient
Metal roofing reflects solar heat, helping reduce cooling costs in the summer.
🏡 Modern Architectural Look
Crisp vertical lines enhance curb appeal on both traditional and modern homes.
Precision Installation Makes the Difference
Precision Installation Makes the Difference
Medallion-Lok is only as good as the way it’s installed.
A unique McElroy Product, where the proper installation makes the difference.
- Proper panel alignment and spacing
- Correct clip placement for expansion/contraction
- Weather-tight flashing and trim details
- Clean, symmetrical finish lines
| Feature | Medallion-Lok | Exposed Fastener Metal | Asphalt Roofing |
|---|---|---|---|
| Fasteners | Hidden | Exposed | Exposed |
| Lifespan | 40–70+ yrs | 20–40 yrs | 15–30 yrs |
| Maintenance | Low | Medium | Higher |
| Appearance | Modern | Agricultural | Traditional |
IDEAL APPLICATIONS
- Residential homes
- Coastal properties
- Low-slope roofs
- Homeowners upgrading from asphalt
- New construction or full roof replacements