Specifications include, but are not limited to:ROOF DECKING & SHEATHING: A) If new decking or sheathing needs to be installed after tear-off. Decking material will be saw cut and installed with 1/8 of an inch spacing on all edges and be supported by a minimum of three rafters. No edges shall overlap each other and will be fastened flush with 8d nails. Fastener maximum spacing will be 3/8” at the ends, 6” at the support edges and 12” in the intermediate. Gable ends wall framing shall be spaced 6” on center in the intermediate. A minimum of 7/16" CDX plywood/OSB over frame will be nailed using properly sized decking nails or. Seams of each course will be staggered and not on the same rafter as the course before or the following course for all rafters with spacing greater than 16” O.C.. H clips shall be required except for decking applied over lath. If bracing is required of the roof structure to ensure its stability, install sufficient bracing to repair and prevent future sagging and to maintain as true and level of a plane as possible. All bracing will be done to impose all roof loads down to a load bearing member or wall only. If specified on the Work Write-Up, select deck boards will be used to replace missing or rotted decking. Deck boards will match nominal thickness of existing. Housing Inspector will specify quantity of board feet to be replaced.
