How Far Apart Roof Rafters For Shed

I m looking to build a patio roof shed style and need to span 13ft.
How far apart roof rafters for shed. To determine how far apart to set rafters measure the width of the metal panel and then the width of the first hill and valley of the panel. A 9 pieces of 2 4 lumber 145 1 4 long cut at 60º at both ends bottom rafters. Span length for 2 6 rafters. There is no standard spacing it depends on what size of rafters you want to use and the span of your shed.
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. An syp 2 6 rafter at 24 o c. I ve found several span tables online some of them with different maximum distances between the rafters. Wider panels allow for greater spacing between rafters.
A 18 pieces of 2 4 lumber 20 3 4 9 pieces of 2 4 lumber 38 1 2 long intermmediate rafters. 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. Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter. Then use the circular saw to cut a 1 by 3 5 inches 2 5 cm 8 9 cm notch 10 25 inches 26 0 cm from the top of each rafter.
For standard shed roof rafter spacing see rafter span chart. Can span up to 13 4. A 18 pieces of 2 4 lumber 92 long both ends cut at 30º rafters. Each rafter should be 168 inches 430 cm long in order to cover the sloping roof and hang off of the far side.
If you re framing a gable roof on a new house or building a shed or even a doghouse with a gable roof you ll need to cut a number of roof rafters. I ve used this span calculator with the below variables to get a maximum span of 13 10. My application is for a shed roof. The spacing between rafters in a given building is part of the engineering calculations that determine the required structure of the roof.
The roof is going to cover a portion of my deck which i m planning to screen in. I want to use 36 inch centers for the rafters and the span is 16 feet with a 2 12 pitch. A metal roof must also allow for some overlap on each side of the panels which will reduce the effective width of the panel. For instance 2 grade 2x4s at 16 on center will span just over 9.
Is it ok to use 2x8s with 24 oc. I want to use solid timber green fir to get a timber frame look. In order to build a roof for a large shed you needs the following. I m trying to find information on how to size a rafter.
Other relevant factors include the type of wood being used for the rafters the size of the rafters and the load that the rafters need to support.