Metal roofs also require specific roof-leak-repair-singapore techniques, especially around fastener points. Rubber washers on roofing screws can perish over time, creating tiny holes for water to enter. A technician will replace these screws and apply a lap-sealant to the joints where metal sheets overlap. If rust is present, they will treat the area with a converter before painting i... https://kkroofspecialist.com.sg/roof-leak-repair-singapore/