When dealing with existing coatings, the compatibility between the old and new paint systems is a critical technical consideration for $. Applying an incompatible topcoat can lead to adhesion issues, cracking, or bubbling of the new layer. Professional contractors will perform adhesion tests or consult with coating manufacturers to determine the nature of the existing finish and selec... https://kkroofspecialist.com.sg/painting-metal-roofing-singapore/