For commercial and industrial roofs, the must be adept at working around rooftop equipment, such as HVAC units, exhaust fans, and electrical conduits, which often require temporary disconnection, lifting, or specialized detailing to ensure the roofing membrane is properly sealed beneath the equipment stands. This requires coordination with other trades (e.g., mechanical or electrical... https://kkroofspecialist.com.sg/roof-repairs-contractor/