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A. Eacamine substrate for compliance with requirements for substrates,installation tolerances, <br /> and other conditions affecting performance of Work of this Section. Do not proceed with installation until <br /> unsatisfactory conditions have been comected. ` <br /> 3.2 PREPARATION <br /> A. Clean substrates of projections and substances detrimental to application. Cover knotholes <br /> or other minor voids in substrate with sheet metal flashing secured with noncorrosive roofing nails. <br /> B. Coordinate installation with flashings and other adjoining work to ensure proper sequencing. <br /> Do not install roofmg materials until all vent stacks and other penetrations through roof sheathing have been <br /> installed and are securely fastened against movement. <br /> 3.3 INSTALLATION <br /> A. Comply with manufacturer's installation instructions and recommendations,but not <br /> less than recommended by"The CSSB Roofing Manual." <br /> B. Felt Underlayment: Apply one layer of felt underlayment horizontally over entire surface to <br /> receive wood shakes,lapping succeeding cowses a minimum of 2 inches,end laps a minimum of 4 inches, <br /> and hips and valleys a minimum of 6 inches. Fasten felt with su�icient number of roofing nails or <br /> noncorrosive staples to hold underlayment in place until wood shingle application. <br /> C. Perimeter Underlayment: Apply minimum 36-inch-wide layer of perimeter underlayment <br /> at eaves. Extend perimeter underlayment at eaves a minimum of 24 inches inside exterior wall line. <br /> 1. In addition to eaves,apply perimeter underlayment at entire perimeter of surfaces to receive <br /> wood shakes, including ridges,valleys,and rakes. <br /> D. Install wood shakes beginning at lower end wi�a starter strip of roll roofing. Fasten shakes <br /> in pattern, with weather e�cposure, and using number of fasteners per shingle as recommended by <br /> manufacturer. Use vertical and horizontal chalk lines or premarked underlayment to ensure stra ight coursing. <br /> 1. Cut and fit wood ridge shakes at ridges and edges to provide maximum weather protection. , <br /> Provide same weather exposure at ridges as specified for roof. Lap shakes at ridges to shed <br /> � <br /> water away from direction of prevailing wind. Fasteners at ridges shall be of sufficient ' <br /> length to penetrate sheathing as specified. <br /> E. Flashing:Install metal flashing as indicated and in accordance with details and <br /> recommendations of the"Wood Roofmg"section of"The CSSB Roofing Manual." <br /> F. CSSB specifications/notes,shall take precedence over similar notes in this specification. <br /> 3.4 ADJUSTING <br /> A. Replace any damaged materials installed under this Section with new materials meeting <br /> specified requirements. <br /> END OF SECTION 07314 <br /> WOOD SHAKES <br /> Page 4 of 4 <br />