Commercial roofing in Phoenix for flat roofs and rooftop units

Spray polyurethane foam is common across the Valley for good reason. It goes on as a liquid, expands into one continuous layer with no seams that insulates and sheds water, and it can be built up to improve drainage on flat roofs. It needs a protective coating renewed every 5 to 10 years, depending on the coating. TPO is a white single-ply membrane that reflects heat well, with heat-welded seams. It suits buildings where the deck is sound and drainage is already reasonable.

Modified bitumen and built-up roofs are older systems we still see on many buildings and still install in some cases. They are durable but heavier and hotter unless coated with a reflective finish. For many commercial roofs that are aging but not failing, a silicone or acrylic coating over the existing surface restores reflectivity and seals small cracks at much lower cost. Our pages on TPO membrane roofs and silicone coatings go deeper.

On most commercial roofs we visit, the field of the roof is in better shape than the details. HVAC curbs, exhaust fans, plumbing vents, skylights and conduit penetrations each need flashing that moves with the roof through heat cycles. Condensate lines that drain onto the roof surface instead of into a drain leave a constant wet spot that wears through coatings. We reflash curbs, reroute condensate and check every penetration on each visit.

Drains and scuppers matter just as much. A single clogged drain on a large flat roof can put inches of water on the surface during a monsoon, and that weight stresses the deck. We clear drains, check strainers and look at whether the roof slopes toward them. Parapets with failed coping or cracked stucco let water into the wall and onto the roof, and parapet repair is often part of a commercial roof project.

Most commercial roof work happens while the building stays open. We plan staging, material deliveries and dumpster placement around your parking, loading docks and customer entrances. In summer we start at dawn, which also keeps noise and smells away from peak business hours. For foam and coating work we manage overspray carefully, watch the wind and protect vehicles, rooftop units and neighboring buildings.

We coordinate with property managers, tenants and HVAC contractors so rooftop units are shut down or protected when needed. For larger buildings we phase the work section by section, keeping most of the roof dry and serviceable. Leaks during business hours get priority, and we answer 24/7 for emergencies. We work across the Valley, from office parks in Tempe to warehouses in the West Valley.

Owners and managers also get a clear paper trail. Each phase closes with photos of the finished section, notes on any deck or insulation we replaced and the product data for what went down. That record matters when a tenant asks about a leak, when a lender reviews the building or when the next manager inherits the property. It also sets up a sensible maintenance schedule, so the new roof or coating is checked after each monsoon season rather than forgotten until it leaks.