Check to ensure that completed roofs are watertight.
Sweep and clean roofs to prepare them for the application of new roofing materials.
Locate worn or torn areas in roofs.
Clean work areas and equipment.
Maintain tools and equipment.
Cover roofs with layers of roofing felt or asphalt strips before installing tile, slate, or composition materials.
Remove old roofing materials.
Unload materials and tools from work trucks, and unroll roofing as directed.
Set ladders, scaffolds, and hoists in place for taking supplies to roofs.
Place tiles, nail them to roof boards, and cover nailheads with roofing cement.