- Apply alternate layers of hot asphalt or tar and roofing paper to roofs.
- Inspect problem roofs to determine the best repair procedures.
- Align roofing materials with edges of roofs.
- Set up scaffolding to provide safe access to roofs.
- Estimate roofing materials and labor required to complete jobs, and provide price quotes.
- Clean and maintain equipment.
- Cement or nail flashing strips of metal or shingle over joints to make them watertight.
- Install, repair, or replace single-ply roofing systems, using waterproof sheet materials such as modified plastics, Elastoplast, or other aliphatic
- Cut felt, shingles, or strips of flashing to fit angles formed by walls, vents, or intersecting roof surfaces.
- Cut roofing paper to size using knives; and nail or staple roofing paper to roofs in overlapping strips to form bases for other materials.
- Cover exposed nailheads with roofing cement or caulking to prevent water leakage or rust.
- Join edges of carpet and seam edges where necessary, by sewing or by using tape with glue and heated carpet iron.
- Load materials into well holes or into equipment, using hand tools.
- Measure and cut insulation for covering surfaces, using tape measures, handsaws, power saws, knives, or scissors.
- Fit, wrap, staple, or glue insulating materials to structures or surfaces, using hand tools or wires.
- Remove or seal off old asbestos insulation, following safety procedures.
- Fit insulation around obstructions, and shape insulating materials and protective coverings as required.
- Determine the amounts and types of insulation needed, and methods of installation, based on factors such as location, surface shape, and equipment use.
- Clean work site after completion of job.
- Post warning signs and lock building doors to secure area to be fumigated.
- Position and fasten edges of tarpaulins over building and tape vents to ensure air-tight environment and check for leaks.
- Drive truck equipped with power spraying equipment.
- Install partially overlapping layers of material over roof insulation surfaces, using chalk lines, gauges on shingling hatchets, or lines on shingles.
- Mop or pour hot asphalt or tar onto roof bases.
- Apply plastic coatings, membranes, fiberglass, or felt over sloped roofs before applying shingles.
- Cover roofs or exterior walls of structures with slate, asphalt, aluminum, wood, gravel, gypsum, or related materials, using brushes, knives, punches, hammers, or other tools.