Roof Rafter Spacing 2x6

Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no.

Roof rafter spacing 2x6.

If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center. For light load roofs 24 o c. Live load is weight of furniture wind snow and more. Typical rafter spacing codes will specify a minimum spacing of 16 inches 19 2 inches or 24 inches.

Rafters must be strong enough to hold the roof sheathing and the shingles. 1 ft 0 3048 m. Roof is 1 8 pitch 8 off the ground near houston snow load is not a factor. For heavy loads 2x4s can span up to 5.

Spacing your 2 4 shed rafters at 24 on center limits the width of your roof. If your local building authority has a rafter spacing code you may not space rafters wider than required by code. I m building a goat shed total size is 16 x 24. Builders aren t bound by standard rafter spacing measurements.

2 4 rafters can span up to 7. 2 are indicated below. Span calculator for wood joists and rafters also available for the. 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. Don t have goats yet. If i tie into a 6 12 pitch roof with 2x6 s. It is always better to have a large rafter rather than be concerned with a sagging roof.

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 in exterior exposure. 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. 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.

Dead load weight of structure and fixed loads 15 lbs ft 2. The tin roof lean to will run the 16 length. Live load psf dead load psf span calculator for wood joists and rafters available for the iphone. Could go 16 or 24 oc.

Will i be able to span a concrete slab of 11 6.