Roof Rafter Spacing 2x6

Dead load weight of structure and fixed loads 15 lbs ft 2.

Roof rafter spacing 2x6.

Rafters must be strong enough to hold the roof sheathing and the shingles. Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no. For more information see our disclosures here. 1 psf lb f ft 2 47 88 n m 2.

If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center. Spacing in exterior exposure. 2 are indicated below. Live load psf dead load psf span calculator for wood joists and rafters available for the iphone.

This post may contain affiliate links. An essential part of planning a patio roof or gazebo project is determining the number size and spacing of rafters beams and posts according to the loads they will carry. 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. Live load is weight of furniture wind snow and more.

An syp 2 6 rafter at 24 o c. Span calculator for wood joists and rafters also available for the. If your local building authority has a rafter spacing code you may not space rafters wider than required by code. Builders aren t bound by standard rafter spacing measurements.

1 ft 0 3048 m. Can span up to 13 4. That means it can span a total length of over 26 for a gable roof. Typical rafter spacing codes will specify a minimum spacing of 16 inches 19 2 inches or 24 inches.

Rise and run means that a 6 12 pitch roof has 6 of rise vertical for each foot of run horizontal. Patio roof maximum beam rafter spans. 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. Our roof rafter calculator tools are handy for calculating the number of rafters needed rafter length calculator lineal feet of rafter board feed in ridge and sub facia and the total board feet in the roof.

These numbers are for roofs supporting light loads of 20 pounds for square foot. But they do tend to space rafters in one of several industry standard increments typically. Structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes.