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� <br /> � acin : S acing between adjacent shakes should be a minimum of 3/8"and a maximum <br /> of 5�%8"�Shakes shall be laid w�► a side lap of not less than 1-1/2" between joints in <br /> � adjacent coutses. <br /> Refer to the CSSB's New Roof Construction Manual for the groper application <br /> method of solid deck installation. Low slope appiication is also detailed in the New Roof <br /> � Conshvction Manual. <br /> Rooi�xaosure:The maximum recommended weather explosure for Certi-Split and Certi- <br /> Sawn shakes with an interwoven felt or a rubberized membrane system shali be 10". <br /> , B. Hip and Ridge Shakes: Manufactwer's standard factory precut units to match shakes. <br /> � C. Colors,Blends and Patterns: Where manufacturer's standard products are indicated,provide <br /> wood shakes with the foIlowing requirements: <br /> 1. Provide selections made by Architect from manufacturer's full range of standard <br /> � colors,textures,and patterns for wood shakes of type indicated. <br /> 2.3 ACCESSORIES <br /> rA. Felt Underlaymemt: No. 15;unperforated organic felt complying with ASTMaDa226,Type <br /> I;36 inches wide. <br /> � B. Perimeter Underlayment: Polyethyleae-sheet-backed rubberized wood membrane,40 mils <br /> thick. Provide primer when recommended by underlayment manufacturer. <br /> � I. Available Products: Subject to compliance with requirements,products that shall <br /> be incorporated in the Work include,but aze not limited to,the following: <br /> a. "Bituthene Tce&Water Shieid,"W.R.Grace&Co. <br /> � C. WoodPlasticCemenr NonasbestosfibratedwoodcementcomplyingwithASTMaD�4586, <br /> designed for trowel application. <br /> � D. Nails:Otily those fasteners recommended by the shingle manufacture to penetrate 3/4 inch <br /> through pIywood roof sheathing. Note: Material of nails in contact with flashing sh�il <br /> match materials selected for flashing�prevent galvanic action. <br /> , E. Metal Drip Edge: Minimum 0.024-inch mifl fuush white finish aluminum continuous sheet, <br /> brake-formed ta provide 3-inch roof deck flange and 1-1/2-inch fascia flange with 3/8-inch <br /> � drip at lawer edge. <br /> F. Prefinished Meta.l Flashing: 0.024-inch mill white finish sheet alurr�inum,job-cut to sizes <br /> and configurations required. <br /> � 1. Each valley flashing piece shall be a continuous preformed piece with inverted v <br /> profile at center of valley and shait match coior of shakes. <br /> ' PA.RT 3-EXECUTION <br /> � 3.1 EXAMI1�iATION <br /> A. Examme substrate for comphance with requaz�ements for substrates,�nstallation tolerances, <br /> and other conditions affecting performance of Work of this Section. Do not proceed with <br /> � insiallation until wnsatisfactory conditions have been con�ted. <br /> WOOD SHA,KES Page 3 of 4 <br /> ' <br />