The management of roof penetrations—such as piping, vents, and air conditioner mounts—is a highly detailed service provided by the expert `$. These are the most vulnerable points for leaks due to differential movement between the roof structure and the penetrating element. The contractor uses custom-fabricated flashings and specialized, long-lasting joint sealants designed to accommod... https://kkroofspecialist.com.sg/roofing-service-singapore/