The distinction between an amateur service and a professional gutters contractor often lies in the quality of the sealing. Every joint, seam, and end cap must be sealed with a high-grade, UV-resistant, flexible sealant that can withstand the expansion and contraction caused by temperature changes. Poor sealing is the number one cause of gutter leaks, which can erode the roof decking a... https://kkroofspecialist.com.sg/gutters-contractors/