If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center.
Roof rafter spacing 2x6.
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.
Builders aren t bound by standard rafter spacing measurements.
2 are indicated below.
Could go 16 or 24 oc.
Will i be able to span a concrete slab of 11 6.
Span calculator for wood joists and rafters also available for the.
For heavy loads 2x4s can span up to 5.
Can i use a 2x6 for the rafters.
Rafters must be strong enough to hold the roof sheathing and the shingles.
1 ft 0 3048 m.
Live load psf dead load psf span calculator for wood joists and rafters available for the iphone.
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.
For light load roofs 24 o c.
Structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes.
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.
Don t have goats yet.
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.
If your local building authority has a rafter spacing code you may not space rafters wider than required by code.
2 4 rafters can span up to 7.
Roof is 1 8 pitch 8 off the ground near houston snow load is not a factor.
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.
The tin roof lean to will run the 16 length.
I m building a goat shed total size is 16 x 24.
Spacing your 2 4 shed rafters at 24 on center limits the width of your roof.
Typical rafter spacing codes will specify a minimum spacing of 16 inches 19 2 inches or 24 inches.