Apply waterproof coatings to concrete or other masonry surfaces below or above ground level
Install and repair metal roofs using hand and power tools
Install sheet metal flashings
Install, repair or replace built-up roofing systems using materials such as asphalt saturated felts and hot asphalt and gravel
Install, repair or replace shingles, shakes and other roofing tiles on sloped roofs of buildings
Install, repair or replace single-ply roofing system using waterproof sheet materials such as modified plastics, elastomeric or other asphaltic compositions
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