Meticulous surface preparation is a critical, high-skill component of the work performed by a roof repairs contractor. Before any new sealant, membrane patch, or coating is applied, the existing surface must be absolutely clean, dry, and free of all loose material, dirt, biological growth, and chalking residue from aged coatings. Failure to achieve this clean substrate is the most com... https://kkroofspecialist.com.sg/roof-repairs-contractor/