Why HVAC work puts commercial roofs at risk
Commercial HVAC work almost always disturbs the roofing system. New rooftop units may require cutting additional penetrations for lines or ductwork, building new curbs, relocating equipment, or rerouting condensate lines. Each of those changes affects the roof membrane, flashing, and insulation. Even if nothing is cut, heavy equipment and repeated foot traffic can crush insulation, damage seams, or puncture the membrane. HVAC technicians focus on airflow, electrical connections, and refrigerant lines, not long-term roof performance. That is why having a commercial roofer inspect the roof afterward is so valuable: they look specifically for problems that might not show up until the next hard rain or wind-driven storm.



