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. � Existing slate, clay or cement tile shall be permitted for reinstallation, except that damaged, cracked or broken slate or tile shall not be reinstalled. Any existing flashingsi edgings, outlets, vents or similar devices that are e part ofthe assembly shall be replaced vyhena rue1ed, damaged or deteriorated. Aggregate surfacing materials shall not be reinstalled. ' R908.6FIashings. F|mohinQs shall be reconstructed in accordance with approved manufacturer's installation instructions or in compliance with RAS 111. Metal flashing to which bituminous materials are tpbm adhered shall ba primed prior toinstallation. R408.7Windzuitisatnn° When a roof covering on on existing,site-built eingb»-forn||y residential structure is nannovad and replaced,the following procedures shall be permitted to be performed by the roofing contractor: 11. Roof-decking attachment shall be ao required by Section R9OO.7.1. 12. A secondary water barrier shall be provided as required bv Section RQO8.7.2. Exception: Single family residential structures permitted subject to the Florida Building (}ode one not required to comply with this section. Tl908,7.I Roof decking attachment for site-built oin«lcfaDi}vresidential oUnotoTeS' ' For site-built single-family residential structures the fastening shall be in accordance with GBoUoO R908.7.1.1 orRBO8.7.1.2ae appropriate for the existing construction. 8d nails shall be 0ininlUrn of, 0.113 inch (2.9 rO[n) in diameter and shall be a nlinirnurn Vf2`4 inch /57 nnnn> long to qualify for the provisions of this section for existing nails regardless of head shape or head diameter. R908,7.}.| Roof decking consisting of sawn lumber or wood planks up to 12 inches wide and secured with at least two nails(minimum size 8d)to each roof framing member it crosse s shall be deemed to be sufficiently connected. Sawn lumber or wood plank decking secured with smaller fasteners than 8d nails or with fewer than two nails(minimum size 8d)to each framing member it crosses shall be deemed sufficiently connected if fasteners are added such that two clipped head, round head,or ring shank nails(minimum size 8d\are in place on each framing member itcrosses. ' Rg08.7.}.2 For roof decking consisting of wood structural panels, fasteners and spacing required in on|UDlnw 3 and 4 of Table R908.7.1.2 are deemed to comply with the indicated design wind speed range. Wood structural panel connections retrofitted with a two part urethane based closed cell adhesive sprayed onto the joint between the sheathing and framing members are deemed to comply provided testing using the manufacturer's recommended application on panels connected with 6d smooth shank nails atno more than a0-inch edge and 12'|nnh field spacing demonstrate an uplift resistance ofeminimum of2OOpef. Supplemental fasteners as required by Table R908.7.1.2 shall baASTK4 F1667daooUicatinn F<5RS- 01 ring shank nails with the following noinirnunn dimensions: 13. 0.113-innh nominal shank diameter. � 14. Ring diameter FUininnurn ofO.O12-inoh greater than shank diameter. 15. 1Oto2O rings per inch.