Waterproofing at critical junctures, such as valleys, hips, and flashing points where the roof meets walls or chimneys, is a specialized task when installing $. These areas require the use of custom-fabricated metal flashings and high-quality, UV-stable elastomeric sealants to ensure a perfect, durable barrier against water. Poor workmanship in these areas is the most common cause of ... https://kkroofspecialist.com.sg/metal-roofing-singapore/