Commercial and Multi-Family Roofing in Grants Pass, Oregon: What Owners Need to Know Before the Rain

Commercial roofs are typically low slope, which means water drains slowly rather than running off. That makes drainage design, seam integrity, flashing at penetrations and parapet detail far more important than on a residential roof, and it means small defects have time to become leaks. Membrane systems, drains and scuppers, and rooftop equipment curbs are the components that most often fail.