Roof Rafter Spacing 2x6

Span calculator for wood joists and rafters also available for the.

Roof rafter spacing 2x6.

Structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes. 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. Can i use a 2x6 for the rafters. Roof is 1 8 pitch 8 off the ground near houston snow load is not a factor.

Don t have goats yet. Spacing in exterior exposure. Typical rafter spacing codes will specify a minimum spacing of 16 inches 19 2 inches or 24 inches. Live load is weight of furniture wind snow and more.

For light load roofs 24 o c. 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. 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 your local building authority has a rafter spacing code you may not space rafters wider than required by code.

Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no. Rafters must be strong enough to hold the roof sheathing and the shingles. It is always better to have a large rafter rather than be concerned with a sagging roof. Builders aren t bound by standard rafter spacing measurements.

Will i be able to span a concrete slab of 11 6. If i tie into a 6 12 pitch roof with 2x6 s. Rafter span tables use these tables to determine lengths sizes and spacing of rafters based on a variety of factors such as species load grade spacing and pitch. 2 4 rafters can span up to 7.

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. Live load psf dead load psf span calculator for wood joists and rafters available for the iphone. The tin roof lean to will run the 16 length. 1 psf lb f ft 2 47 88 n m 2.

For heavy loads 2x4s can span up to 5. Dead load weight of structure and fixed loads 15 lbs ft 2. 2 are indicated below. 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.