Repairing aged or degraded sealant is a common task for a roof-repairs-contractor. Sealants around vents and pipes break down over time due to UV exposure and movement, creating channels for water entry. The roof-repairs-contractor will scrape away old, failed sealant and apply high-performance, long-lasting alternatives that maintain flexibility and adhesion across temperature cycles... https://kkroofspecialist.com.sg/roof-repairs-contractor/