A major service for commercial firms is the integration of rooftop assets, such as solar PV systems and extensive HVAC units, onto the new or existing roof without compromising its watertight integrity. They utilize specialized non-penetrating mounting hardware (especially on metal roofs) and ensure all support structures for large units are meticulously flashed and sealed to the mem... https://kkroofspecialist.com.sg/roofing-contractor-singapore/