(A) For roof slopes greater than 3 in 12. Length from plate to ridge:
Maximum Span | |
2 x 4 - 16 in. o.c. | 9 ft. - 2 in. |
2 x 6 - 16 in. o.c. | 14 ft. - 3 in. |
2 x 8 - 16 in. o.c. | 19 ft. - 0 in. |
2 x 10 - 16 in. o.c. | 24 ft. - 1 in. |
(B) Ceiling joists shall, wherever possible, serve as ties for the rafters and shall be securely nailed to the rafters.
(1992 Code, § 7-41)