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B. Nails must be driven with their shanks peipendicular to the face of the board and seated below the surface of the boand without brealcing the pepet. C. The board must be cut to fit with tapered edges butting and ends butting. W}1e~ ~ssible joints must be staggered. 16.5. Paneiing A. Nails must be rnatclung color panelidg nails with screw head or annular thread shenk or finish nail set and puttied. Length of nai] must provide at least 1/2b', penetration into wood support. Space nails at least 12b on center. minimum 1/4t1, thick paneling securod vvith panel adhesive must be used when stud spacing is gneater tlian 16b' on center. B. There must be solid backing for all edges. Paneling must be installed level with no Baps between sheets and where it meets the ceiling and floor. otber wall gaps are allowed only so wide as thc trim must cover. 16.6. Drywall Repair A. Must bc accamplished with the patched gypsum board of the see dimension as the original board to kave the patched area in ptane with the surrounding drywall finish. Tape, float, and texcure to match existing wa11 finish. , 16.7. Tape and Ftoat A. OvefJoints, the tape must be embedded in cement and covorcd with a thin layer of cement. A second and third coat must be app(ied vvith each coat feathered and extended btyond We previous coat by two inches. The finish coat must be sanded Iightly and any imperfections filled in prior to any painting or decorating. B. Cover nails with thrce (3) applications ofcement allowing time to dry betwcen each coat. The final coat must be sanded lightly befote application of paint or other decoration. C. Inside corners must be reinforced with tape embedded in cement, finish as specified'bver joints." D. Outside comers must be protected by wood molding, metal molding, or metal corner bead reinforcement. Metai corner reinforcement must be finished as specffied "overjoints" with two coats of cement. E. Texturing Ceilings must be stomped and dragged. Walls must be lightly textuned. For ropairs texture should match existing. 17A Flooring 17.1. Materials A. Batbroom underiayment must be 5/8d CDX exterior grade plywood over a 30 pound felt paper vapor baurier. B. All other floors must have 5/8b', Plywood installed with vapor barrier as in bathroom; floors must be smooth and even throughout structur+es. C. If har+dwood flooring is to be installed sub-flooring muat be y 8 y CDX plywood, TDHCA - HOME Investment percnerships Program ApPcndix A"04 - TMC SPecifications Pagc 18 of 24 Revised 01/01/2004 229