A ROOFER is a house top laborer who specializes in the installation and repair of roofs. They are responsible for ensuring that roofs are properly sealed and waterproofed, as well as for replacing damaged or worn shingles and tiles. Roofers must also be knowledgeable about the different types of materials used in roofing, such as asphalt, metal, and wood, and must be able to identify any potential problems with the roof. Roofers must also be aware of safety protocols and regulations when working on roofs.