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HomeMy WebLinkAbout46.47 - Front and Rear Elevations (2)Outline Roofing Spec for Deburro Home For structural spacing of 16" o.c. - Use: %" APA Rated Plywood Sheathing, 60/32, Exposure 1 (no unsupported edge clips or T & G required). Attach to structural frame. Design for 110 mph wind, 30 PSF Snow Load. Use Ice and Water Shield over entire plywood roof deck. Use "Cedar Breather" by Benjamin Obdyke Co. (or approved equal - %" thick after compression) under cedar roofing. Use Certi-Last pressure impregnated Certigrade Red Cedar Shingles, No. 1 Blue Label. Shingles to be 16" long with maximum 5" exposure. Fasten to roof deck with Type 316 Stainless Steel 3d box nails (1 '/<" long), 2 per shingle. Drive nail flat to shingle surface. Do not overdrive nail. Use double starter course. Offset joints in successive courses by 1 K" mini- mum. Overhang eaves by 1 %Z". Overhang rakes by V. Do NOT interlay shingle courses with felt. Be sure to use ridge vent as outlet for Cedar Breather. Valley flashing as follows: Open valley - line valley with minimum 36" Ice and Water Shield. Use 24" wide W style preformed valley flashing. Use 20 oz. red copper or lead coated copper. Preformed pieces should not exceed 10 feet in length. Lap successive pieces by 12" and seal with plastic cement. Cleat flashing to deck at 12" o.c. Valley should be 6" wide at high point and widen 1/a" per foot toward low point. Use wood cant with copper cleats or copper cant soldered to valley to insure cedar shingle edge does not come in contact with valley. Additions and Alterations to the Home of Ron -6 Deburro 6 Dauphine Drive, Yarmouthport, Massachusetts 0 I] A9CRO ASSOCIATES ARCHITECTS 27 EastviewTerrace, Marstons Mills, MA 02648 Tel. and Fax: 508-419-1217 ZX! )TIMCi f$�hEP�>> Nt fbnl. 6CYON D11 SCALES I/ !!_ I d APPROVED BYI DRAWN BY DATE; Moy zD) I I REVISED DRAWING NUMBER 100