SHINGLE INSTALLATION - a. Install shingles in accordance with manufacturer's instructions and these specifications. Subcontractor _________________________ b. Install drip edge flashing over modified bitumen sheets and secure to prepare decking with the specified fasteners at 3" on center, staggered, minimum. c. Apply a starter course of shingles with 6" exposure surface cut off. Install bottom edge of starter course aligned with the edge of the roof over the modified bitumen and felt underlayment. Six (6) fasteners are required per shingle located 5/8” above each cut-out, 8-5/8” above the bottom edge of the shingle and 1 inch in from each side. d. Beginning at the starter course, install asphalt shingles. Apply subsequent courses of singles allowing a 5" weather exposure of the course below. Stagger butt joints 6" minimum between courses. Four (4) fasteners are required per shingle located 5/8” above each cut-out, 8-5/8” above the bottom edge of the shingle and 1 inch in from each side. Nails shall be below the line of wind seal adhesive. e. Apply eight quarter size dabs of roof cement under shingle tab 36” in from roof eaves, ridges, hips and penetrations. f. Each course of shingles shall be installed neat and straight with no visible variation between adjoining shingles or cut-out lines. g. Partial shingles may be used only along edge locations and as required to stagger butt joints and shingle cutouts.
