Shed Roof Rafter Design

A gable roof for a shed can be built with rafters with a 1 6 ridge board or using trusses.

Shed roof rafter design.

See rafter run to outer wall calculator below. Measure your rafter boards for your preferred roof style and pitch. So use your speed square and measure your angle. A rafter or speed square will have marks for both of these angles.

Allow for ridge thickness when determining rafter run to outer wall. A simple gable shed roof is often built using 2 4 or 2 6 lumber for the rafters and 2 4 for the collar ties. The exact length and angle of your rafters will depend on the overall size of your shed as well as the style and slope you ve chosen. For an 8 10 shed one sheet of plywood should be fine.

The rafters on a steeply sloped roof for instance will be much longer and have more end cuts than those on a flat roof. A shed roof slopes in one direction only. Let s consider a basic gable wood roof framing design. So roughly 7 8 long for a 2 4.

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. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial. Print full scale rafter cut templates and birdsmouth templates fold template over rafter to mark or cut through. So much so that it is my very favorite style shed for a garden shed.

Here we have a wood framed gable roof. 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. The rule of thumb is that the gusset should be twice the width of the wood you use for your rafters. Floor beam span tables of residential structural design we will now look at roof rafter and beam design.

You are going to cut out triangles that will cover the apex of each set of rafters. Easy rafters is designed to calculate shed roofs that are framed to a ledger board nailed against a vertical wall not freestanding shed roofs supported by walls at both ends. Now you have extra 2 4 hanging over the bottom chord. The saltbox roof design offer lots of character and charm to the backyard.

Half building width minus 1 2 ridge thickness. How to frame a gambrel shed roof. Much depends on the structure size and the desired attic loft or headroom. This will allow them to join and form the peak of the roof and let the other end fit nicely at the 60 degree angle of the bottom chord.

Do you want to build a shed that makes a perfect garden shed. The roof on this shed is a 4 in 12 slope which makes it a 18 and one half degree angle on the board ends. Continuing on from part 3.