Work site environment

Work setting

Install built-up roofing systems using materials such as asphalt saturated felts and hot asphalt and gravel
Install or replace asphalt shingles, wood shingles and shakes and masonry or baked clay roofing tiles on sloped roofs of buildings
Install roofing tiles on sloped roofs of buildings
Install single-ply roofing system using waterproof sheet materials, such as modified plastics, elastomeric or other asphaltic compositions
Repair or replace single-ply roofing systems
Repair roofing systems
Instruct apprentices
Supervise other workers
Apply waterproof coatings to concrete or other masonry surfaces below or above ground level