§ 150.199 MAXIMUM ALLOWABLE SPAN FOR HEADERS SUPPORTING WOOD FRAME WALLS.

Allowable Span of Headers in Feet for Bearing Walls
Size of Steel Header	Size of Wood Header	No Story Above	One Story Above	Two Stories Above	Allowable Span of Headers in Garages or in Walls Not Supporting Floors or Floor
2-1/2 x 2-1/2 x 1/4	2–2 in. x 4 in.	4 ft.			6 ft.
3-1/2 x 3-1/2 x l/4	2–2 in. x 6 in.	4 ft. to 6 ft.	4 ft.		6 ft. to 8 ft.
6 x 1-7/8 JR	2–2 in. x 8 in.	6 ft. to 8 ft.	4 ft. to 6 ft.		8 ft. to 10 ft.
4 x 2-5/8	2–2 in. x 10 in.	8 ft. to 10 ft.	6 ft. to 8 ft.	4 ft. to 6 ft.	10 ft. to 12 ft.
7 x 2-1/8 JR	2–2 in. x 12 in.	10 ft. to 12 ft.	8 ft. to 10 ft.	6 ft. to 8 ft.	12 ft. to 14 ft.
	2–2 in. x 14 in.	12 ft. to 14 ft.	10 ft. to 12 ft.	8 ft. to 10 ft.	14 ft. to 16 ft.
Note:   Garage headers carrying roof or ceiling loads may be of 2, 2-inch by 14-inch with a flitch plate of steel or plywood, bolted between the 2-inch by 14-inch, if specified by the architect

 

(Prior Code, § 9-123) (Ord. 94-11B, passed 4-21-1994)