What is Stone-Coated Steel?
Performance
History
About Roser Co. Ltd.
What is a Stone-Coated Steel Roofing System?
Stone-coated steel roofing isn’t just another roofing material — it’s a fusion of form and function that delivers beauty and performance in equal measure. At its core, this premium roofing system combines the strength and longevity of steel with the classic look homeowners love from traditional materials like tile or shake, giving you both lasting protection and refined curb appeal. Natural stone granules are bonded to a corrosion-resistant steel panel, creating a textured surface that not only mimics the elegance of classic roofing styles but also provides exceptional resistance to everyday wear caused by weather and UV exposure. This means you get a roof that looks rich and refined while standing strong against the elements. Beyond its striking appearance, stone-coated steel roofing is engineered for real-world performance. Its durable multi-layer construction offers enhanced protection from extreme weather, including heavy rain, hail, and high winds, while the steel core ensures a long life that can outlast many traditional roofing materials. This roofing system also helps improve energy efficiency by reflecting more solar heat than darker, less reflective surfaces, which can reduce cooling costs in warm climates. With minimal maintenance and decades of dependable service, stone-coated steel roofing delivers both peace of mind and long-term value — making it a standout choice for homeowners seeking beauty, strength, and performance all in one package.
Unparalleled Performance
Hurricane Resistant System
- Certified with the rigorous Miami-Dade approval
- Warranty covers against winds of up to 120 mph
- Excellent protection from flying objetcts
Fire Safety
- Class A (the highest available) fire resistance
- The preferred option for wildfire-prone areas.
- Steel core and 3M granules are non-combustible materials
Structural Performance
- Weight at average of 1.4 pounds per square foot
- Reduce Structural Burden
- Outstanding performance during earthquakes
Hailstorm Protection
- Class 4 (the highest available) impact resistance
- Warranty coverage extends to 2 1/2" hailstones
- May qualify for a home insurance premium reduction
The Story of Stone-Coated Steel Roofing — Where Strength Saved Lives
Long before it became a premium roofing material on homes and commercial buildings, the technology behind stone-coated steel roofing was born in a time of great need — a time when protection wasn’t just about comfort, it was about survival. During World War II, British engineers faced a serious challenge: the corrugated steel roofs used on industrial and military buildings were extremely vulnerable to the harsh climate and, more importantly, to aerial bombardment. To protect these strategic structures — factories, airfields, supply depots — they needed a roofing surface that could withstand both weather and detection from above. The solution was surprisingly elegant: rather than leaving metal bare and reflective, they began coating steel roofs with stone, sand, or similar natural materials embedded into a protective layer. This did more than just protect the metal from rust and corrosion — it significantly reduced glare and visibility from enemy aircraft, helping camouflage critical facilities and saving lives. This early innovation laid the groundwork for today’s stone-coated steel roofing systems that combine strength with aesthetics. The essential idea was simple but powerful: 🔹 Steel gives unmatched strength and durability 🔹 The stone coating protects the metal and improves performance 🔹 The texture makes the roof less vulnerable — visually and structurally Over decades, the basic principles proved so successful that builders began using stone-coated steel not only in industrial settings but also in residential and commercial construction — because it offered superior resistance to fire, wind, hail, and other severe weather compared to traditional roofing.
Roser — A Leader Built on Innovation and Performance
Established in 1978, Roser has taken the legacy of stone-coated steel roofing and advanced it into the modern era. Today, Roser stone-coated steel systems are installed worldwide and are recognized for blending timeless style with state-of-the-art durability. Steelhide Building Materials is a proud authorized distributor of Roser Co., Ltd. products, bringing this proven roofing technology to customers who demand long-term performance and refined design. Here’s what sets Roser apart: Balance of beauty & strength - Roser roofs replicate classic architectural styles—barrel tile, shake, shingle, and slate—while delivering the strength of Galvalume® steel and premium stone granules that resist fading and weathering. Engineered for extremes - Certified for fire resistance, high winds, and impact resistance, Roser roofing systems don’t just enhance curb appeal—they provide critical protection when conditions are at their worst. Advanced manufacturing - Roser maintains strict quality control by managing production within a single facility, ensuring consistent strength, superior coating adhesion, and dependable performance on every panel. Lightweight but powerful - At approximately 1.4 pounds per square foot, Roser roofing offers exceptional structural safety without the excessive weight of concrete or clay—an important advantage in severe weather and seismic zones. In short, Roser continues the legacy of stone-coated steel by combining historic protection principles with modern engineering—and through Steelhide Building Materials, this advanced roofing solution is delivered with confidence, expertise, and reliability. Roser® is a registered trademark of Roser Co., Ltd; Steelhide LLC is an independent company and is not affiliated with or representing Roser Co., Ltd.
Roser® is a registered trademark of Roser Co., Ltd; Steelhide LLC is an independent company and is not affiliated with or representing Roser Co., Ltd.