Specifications include, but are not limited to: full replacement of a portion of an existing asphalt shingle roof system that was not replaced on a previous reroofing project in 2015. Work includes the removal and replacement of asphalt shingles, roofing underlayment, flashing, sheathing, roof insulation, skylights, gutters and fascia boards. Damaged fascia boards shall be replaced as needed, finished to match existing. The new roof system consists of asphalt shingles to match those previously replaced in 2015, synthetic underlayment, new drip edge trim, valley flashing, several roof windows (skylights) to be replaced and flashed. Carpentry will include resizing existing roof window openings as required for new units, removal and replacement of roof sheathing, removal of roof batt insulation in the truss or rafter space and replacing it with closed-cell spray foam insulation.