2x6 Roof Rafter Span Chart

Building pergola with two rows of 3 posts.

2x6 roof rafter span chart.

Span calculator for wood joists and rafters also available for the android os. An syp 2 6 rafter at 24 o c. Another option are 2 x 8 rafters spaced 24 inches o c. 2 6 shed roof rafters are enough for nearly any type of shed a homeowner wants to build.

Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall. Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run. Roof rafter 2x ridge beam 2 16d toenail face nail 2 planks 16d at each plank 2x6 2x8 2x10 2x12 rafter size spacing allowable span allowable spans for df 2 floor joists df larch table 2308. Also available for the android os.

In making your choice consider how you will insulate your insulate your roof. While a 2 6 might be nearly double the cost of a 2 4 you can likely space the 2x6s further apart negating the added expense of increasing your lumber width. The table states that 2 x 6 rafters spaced 16 inches on center o c can span a maximum distance of 13 feet 5 inches. Can span up to 13 4.

Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size.