Roof Rafter Spacing 2x6

2 4 rafters can span up to 7.

Roof rafter spacing 2x6.

Rafters must be strong enough to hold the roof sheathing and the shingles. 2 are indicated below. If your local building authority has a rafter spacing code you may not space rafters wider than required by code. It is always better to have a large rafter rather than be concerned with a sagging roof.

The tin roof lean to will run the 16 length. Span calculator for wood joists and rafters also available for the. Can i use a 2x6 for the rafters. I m building a goat shed total size is 16 x 24.

Rafter and roof joist spacing is only one part of a complex roof design that works together to form a structure that meets building codes and can hold up the weight of the roof and roof load. Will i be able to span a concrete slab of 11 6. Builders aren t bound by standard rafter spacing measurements. For light load roofs 24 o c.

Live load is weight of furniture wind snow and more. Live load psf dead load psf span calculator for wood joists and rafters available for the iphone. My plan is to add 2x6 supports on to the top plates of the existing house wall where the 2x6 s intersect with the walls. Spacing your 2 4 shed rafters at 24 on center limits the width of your roof.

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. I will be setting 4x4 post every 6 with 2 2x6 s with 1 2 osb sandwiched between them as the form to set on top of post. Spacing in exterior exposure. 1 ft 0 3048 m.

Structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes. Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no. 1 psf lb f ft 2 47 88 n m 2. For heavy loads 2x4s can span up to 5.

Could go 16 or 24 oc. If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center. If i tie into a 6 12 pitch roof with 2x6 s. Dead load weight of structure and fixed loads 15 lbs ft 2.

Roof is 1 8 pitch 8 off the ground near houston snow load is not a factor.