Commercial Roofing

Roofing, Repair, and Inspection

Since our founding, Douglass Colony has been an industry leading commercial roofing contractor. We offer innovative and effective solutions for all roofing and metal types, regardless of size or intricacy.

As the largest commercial roofing contractor in Denver and the Rocky Mountain Region, Douglass Colony Group aims to provide seamless service from design to completion. We use quality materials, expert craftsmanship, efficient communication, and innovative, energy-efficient options. Complicated or unique roofs are not something we shy away from, and we can help you with everything from design, to cost estimation, to full commercial roof installation.

Douglass Colony can also have your roof inspected and provide any necessary commercial roofing maintenance and commercial roofing repair.

We offer our services for a large variety of commercial roofing, including low slope commercial roofingsteep slope commercial roofingmetal roof workcommercial green roofs, and more.

See Your Roof from Above

Drones Take Our Roofing Services to New Heights

Douglass Colony takes care of every building as if it were our own. With our unmatched blend of people, history, innovation, and quality we take on the jobs that others won’t. From re-roofing and waterproofing that can give a building new life to commercial roof service, maintenance, and fast repairs that can save building owners big money, Douglass Colony delivers nothing but the finest results — every time.

Harnessing our drone capabilities, we can provide you with a bird’s eye view of your building. Using drone technology, we can easily pinpoint potential risks before they become a problem without needing the manpower to safely get up on your roof and inspect it ourselves.

Check out this video that shows some of our capabilities and how we put our drones to work for you.

Questions? Contact us

Use the form or call 303-288-2635.

Testimonials

Green & LEED Roofing

Douglass Colony wants to help your business go “green.” By installing commercial garden- and/or solar-roofing, building owners can transform their roofs into an eco-friendly, livable space with great economic, social, and environmental benefits.

Resources

Architectural Excellence 2026 Award Winner: Western Stock Show Association – Legacy

Douglass Colony Group is proud to announce that we’ve received an Architectural Excellence Award for Best Commercial Exterior for our work on the Western Stock Show Association – Legacy building.

Longboard wood-grain aluminum soffits were installed across exterior overhangs, delivering the warmth of wood with long term durability.

Learn more about our work for the Western Stock Show Association here.

Architectural Excellence Awards 2026: SGI-USA Buddhist Center

Douglass Colony Group is proud to announce that we’ve received an Architectural Excellence Award for Best Commercial Exterior for our work on the SGI-USA Buddhist Center building.

Longboard 6″ V-groove was used as the exterior siding for the upper floor, to provide a natural wood appearance while providing a fire-safe and maintenance-free finish.

Learn more about our work on SGI-USA here.

Maintaining and Protecting Metal Wall Panels

Learn how to maintain metal wall panels and commercial metal roofing systems to prevent damage, extend lifespan, and reduce long-term repair costs.