Green Job Crawler Albany, OR
20 May, 2019
*Remove snow, water, or debris from roofs prior to applying roofing materials. *Set up scaffolding to provide safe access to roofs. *Cement or nail flashing strips of metal or shingle over joints to make them watertight. *Install partially overlapping layers of material over roof insulation surfaces, using chalk lines, gauges on shingling hatchets, or lines on shingles. *Cut felt, shingles, or strips of flashing to fit angles formed by walls, vents, or intersecting roof surfaces. *Apply plastic coatings, membranes, fiberglass, or felt over sloped roofs before applying shingles. *Install, repair, or replace single-ply roofing systems, using waterproof sheet materials such as modified plastics, elastomeric, or other asphaltic compositions. *Attach roofing paper to roofs in overlapping strips to form bases for other materials. *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. *Waterproof or damp-proof walls, floors, roofs, foundations, or basements by painting or spraying surfaces with waterproof coatings or by attaching waterproofing membranes to surfaces. *Apply reflective roof coatings, such as special paints or single-ply roofing sheets, to existing roofs to reduce solar heat absorption. Green Task Statement *Apply alternate layers of hot asphalt or tar and roofing paper to roofs. *Cover exposed nail-heads with roofing cement or caulking to prevent water leakage or rust.