SECTION 11 ROOFING AND SHEET METAL WORK li-Ol1. SCOPE: The work covered by this section of the specifications consists of furnishing all labor, tools and equipment required for the installation of a11 miner- al surfaced roofing and sheet metal work as indicated on the drawings or required for the work, a. Refer to section 13, "Metal Buildings" for prefabricated metal roofs over metal buildings, b. Refer to section 8, "Carpentry and Relayed Work" for corrugated aluminum roofing over framed structures. 11-02, ROOFING: a. Materials, as furnished by the Contractor, willinclude 907 minéral surfaced roofing, roofing cement, plastic cement, roofing nails. flashing fabric, and large head aluminum b. Preparation of Surfaces: Roof surfaces shall be broom clean, smooth, firm, dry, and properly pitched to drain. Holes and loose knots in roof sheathing shall be covered with aluminum sheet tabs tacked on, loose boards secured and projecting nails driven home. Vents and other projections through roofs shall be properly flashed and secured in position. Chamfer for all rough edges at eaves where roofing is to be turned down. c. Application of Roofing: roofing shall be applied as follows: Mineral surfaced 1. Roofing shall be cut to required lengths and allowed to flatten in properly protected piles a minimum of one day before laying. Roofing shall be applied in one layer as follows: 2. Starting at lowest roof eave, apply first course of roofing across the slope of the roof. Apply succeeding courses allowing 2" overlaps over preceding course, and 4" end laps. Turn down roofing sheet neatly at all eaves and edges, 3. Nail all laps through both layers of roofli-i