The Ontario Building Code | Lintel Spans and Sizes
220.127.116.11. Lintel Spans and Sizes
(1) Spans and sizes of wood lintels shall conform to the spans shown in Tables A-12 to A-16,
(d) where the spans of trusses do not exceed 9.8 m.
(a) solid 64 mm thick members on edge, or
(b) 38 mm thick and 19 mm thick members fastened together with a double row of nails not less than 63 mm long and spaced not more than 450 mm apart.
(3) Lintels referred to in Sentence (2),
(a) shall be not less than 50 mm greater in depth than those shown in Tables A-12 to A-16 for the maximum spans shown, and
(b) shall not exceed 2.24 m in length.
9.23.13. Roof and ceiling Framing