Flashing detail work, where the roof meets any vertical surface (e.g., parapet walls, chimneys, skylights), is a common failure point that requires specialized roofing-singapore expertise. The intense thermal cycling can cause movement between the roof and the vertical element, cracking conventional sealants. Specialist contractors custom-fabricate and install multi-piece metal flashi... https://kkroofspecialist.com.sg/roofing-singapore/