2x6 Roof Rafter Span Chart

Building pergola with two rows of 3 posts.

2x6 roof rafter span chart.

In making your choice consider how you will insulate your insulate your roof. 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. Span length for 2 6 rafters.

An syp 2 6 rafter at 24 o c. Can span up to 13 4. Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall. 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.

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. 4 for panel maximum span shall be 24 5 24 o. 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. Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size.

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