Specialized is required for the seamless, waterproof integration of modern rooftop utilities, including solar photovoltaic (PV) arrays and air-conditioning units, which necessitate secure, yet watertight, structural penetrations. Contractors use proprietary flashing techniques and robust sealing materials around all curbs, conduits, and mounting points, often utilizing non-penetratin... https://kkroofspecialist.com.sg/roofing-singapore/