The choice of underlayment is something a roof-repair-contractors-singapore will discuss with you. Beneath the tiles or metal panels is a secondary layer of protection that acts as a backup water barrier. In Singapore, many contractors recommend synthetic underlayments over traditional felt because they are more resistant to tearing and do not rot when exposed to humidity. This "hidde... https://kkroofspecialist.com.sg/roof-repair-contractors-singapore/