Transparency in quoting is a hallmark of ethical `$. The contractor should provide a detailed, itemized estimate that clearly outlines the diagnosis, the repair method (e.g., membrane patch, flashing replacement), the specific materials to be used, and the labor cost. Vague or suspiciously low quotes should be treated with caution, as they often indicate substandard materials or inade... https://kkroofspecialist.com.sg/roof-leak-repair-singapore/