Cornerstone Building Brands has announced a partnership to offer SunSteel solar panels factory-integrated with its Double-Lok standing seam metal roofing panels. This solution delivers a streamlined solar roofing solution for commercial and industrial buildings.
The Double-Lok with SunSteel integrated assembly arrives with SunSteel solar panels pre-applied to each Double-Lok roofing panel, combining clean energy generation with the longevity, low maintenance, and sleek aesthetics of metal roofing. This single-trade approach is designed to simplify project delivery, reduce installation time, and integrate array loading directly into the building design.
“Owners and builders want a cleaner, faster path to rooftop solar. By delivering solar that’s factory-integrated with proven Double-Lok standing seam panels, we’re helping customers unlock energy savings while preserving the durability and appearance they expect from metal roofing,” said Bryan Barton, regional manager at Cornerstone Building Brands.
Powered by a strategic collaboration with AUO Energy Business, a trusted innovator in solar solutions, this partnership enhances the performance and reliability of integrated solar roofing systems.
“We are honored that Cornerstone Building Brands has partnered with AUO’s SunSteel solution,” said T.Y. Lin, vice president of AUO Energy Business. “Since its introduction in 2022, AUO has demonstrated our expertise in delivering factory-integrated systems that simplify solar installation on metal roofs. This confidence from our partners reinforces our SunSteel offering as a trusted choice for enabling efficient and sustainable roofing solutions.”
Integrated solution highlights
- Factory-assembled quality: Roof and solar components are factory-integrated for consistency
- Streamlined installation: One project, one crew; roof and solar installed together
- Structural alignment: Optimized solar array loading included in building design
- Low-profile look: Integrated, sleek appearance that blends into the roof
- Easier upkeep: Reduced parts count simplifies operations and maintenance
Solar Technology Snapshot
- Solar module construction: Bifacial monocrystalline half-cut cells with high-transparency glass and IP-68 junction box
- Integrated panel options: Multiple length configurations, each delivering 0.78 kW or 1.17 kW per integrated assembly (depending on length), with associated weight and electrical ratings provided
- Performance and durability: Designed for operating temperatures from -40°C to +70°C; front/rear test loads 3200/2400 Pa
- Solar panel certifications and warranty: 10-year product warranty; 20-year linear power output guarantee to at least 91.4 percent by year 20; certifications per IEC/EN 61215, IEC/EN 61730, UL 61730-1/-2
Availability
The Double-Lok with integrated SunSteel solar metal roofing system is available through select metal roofing brands from the Cornerstone Building Brands portfolio of brands: Ceco Building Systems, Star Building Systems, Metallic Building Systems, MBCI, and Robertson Building Systems. Project services, sales support, and technical guidance are available to help builders and owners evaluate suitability, design considerations, and installation planning.
