Rooftop penetrations for skylights, vents, and service cables are frequent failure points, as the sealant and flashing around these elements degrade due to sun exposure and thermal cycling. The roof repair contractor Singapore specializes in dismantling the perimeter of these penetrations, cleaning the area, replacing old, cracked sealant with a flexible, high-grade, UV-stable silicon... https://kkroofspecialist.com.sg/roof-repair-contractors-singapore/