Resources
Commercial vs. residential roofing
Slope, penetrations, occupancy and planning — why a building is not just a large house.
Different water paths
Homes usually pitch water to eaves. Many commercial roofs are low-slope, with drains, scuppers and equipment curbs as the critical details.
Different logistics
Residents, staff, access hours and safety around HVAC change how work is staged. The inspection still comes first.