Shed Roof Rafter Spacing

Rise and run means that a 6 12 pitch roof has 6 of rise vertical for each foot of run horizontal.

Shed roof rafter spacing.

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. For instance 2 grade 2x4s at 16 on center will span just over 9. 2 6 shed roof rafters are enough for nearly any type of shed a homeowner wants to build. For more information see our disclosures here.

Patio roof maximum beam rafter spans. For standard shed roof rafter spacing see rafter span chart. There is no standard spacing it depends on what size of rafters you want to use and the span of your shed. This sizing guide for roof rafters will help determine what you need for your small project.

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 spacing is based on the width of the metal roofing panels. Plywood or osb is the most common materials used for the roof sheathing. The pitch of the roof determines the roofing material you can use.

Span length for 2 6 rafters. But they do tend to space rafters in one of several industry standard increments typically. Typical rafter spacing codes will specify a minimum spacing of 16 inches 19 2 inches or 24 inches. If you get premium kiln dried lumber then you could span 10 5 with the same size of lumber and.

A metal roof must also allow for some overlap on each side of the panels which will reduce the effective width of the panel. 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. This post may contain affiliate links. 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.

Builders aren t bound by standard rafter spacing measurements. Can span up to 13 4. There are several variables to consider when determining the proper rafter size. While a 2 6 might be nearly double the cost of a 2 4 you can likely space the 2x6s further apart negating the added expense of increasing your lumber width.

An syp 2 6 rafter at 24 o c. It must meet the local codes for thickness at least 3 8 which is also based on the rafter or truss spacing. If your local building authority has a rafter spacing code you may not space rafters wider than required by code. Wider panels allow for greater spacing between rafters.

Weather you re building a shed roof or adding a dormer to your second story it is important to choose the proper size rafter.