![]() Yep, I agree, check which code your state has adopted and that's what your inspection road map should be. Collar ties shall be a minimum of 1-inch by4-inch (25 mm by102 mm) (nominal), spaced not more than 4 feet (1219 mm) on center. ![]() Where ceiling joists or rafter ties are not provided, the ridge formed by these rafters shall be supported by a wall or girder designed in accordance with accepted engineering practices.Ĭollar ties or ridge straps to resist wind uplift shall be connected in the upper third of the attic space in accordance With Table R602.3 (1). Rafter ties shall be a minimum of 2-inch by 4-inch (51mmby102mm) (nominal), installed in accordance with the connection requirements in Table R802.5.1 (9), or connections of equivalent capacities shall be provided. ![]() Where ceiling joists are not parallel to rafters, rafter ties shall be installed. Where ceiling joists are not connected to the rafters at the Top wall plate, joists connected higher in the attic shall be Installed as rafter ties, or rafter ties shall be installed to provide a continuous tie. Ceiling Joists shall be continuous or securely joined in accordance With Table R802.5.1(9) where they meet over interior partitions and are nailed to adjacent rafters to provide a continuous tie across the building when such joists are parallel to the rafters. R802.3.1 Ceiling joist and rafter connections Ceiling Joists and rafters shall be nailed to each other in accordance With Table R802.5.1(9), and the rafter shall be nailed to the Top wall plate in accordance with Table R602.3(1).
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