Risher Sutherland - Dba United Contractors | Roofing Services in San Bernardino, CA 92401

We specialize in architectural sheet metal roofing and wall systems, fabricating and installing a range of durable materials including aluminum, copper, zinc, and steel. Our nearly 18,000-square-foot fabrication facility allows us to handle custom projects and specific trim requirements, ensuring a precise fit and finish for commercial buildings throughout San Bernardino County.

In our local climate, flashing corrosion is a frequent concern that can lead to leaks. We address this by using appropriate, corrosion-resistant metals for the specific application and environment. Our fabrication capability means we can create and install precise, well-sealed flashing systems that are designed to last, helping to protect the roof valleys and penetrations that are most vulnerable in commercial structures.

Yes, our experience includes significant commercial and institutional projects such as the California Speedway and the Ontario Convention Center. Completing nearly 100 jobs annually, our team is equipped to manage complex installations that require custom fabrication, seismic expansion joints, and additional features like roof hatches or skylights, all supported by our extensive in-house fabrication resources.