Building Shed Roof Rafters

At the top where the rafters meet they are either angled to meet at a point or attached to a horizontal ridge beam.

Building shed roof rafters.

Rafter is the beam supporting the building. The ridge end of the rafter and often the eve end will need to be cut to the angle of the roof slope. This is similar to the gable shed because the trusses will be in two different cuts because of the two different angles. Mark and cut the first rafter ends the first step in building the roof rafters is to cut one rafter board to length with the ends angled properly and then to mark and cut the birds mouth and seat on the rafter.

The roof rafters provide integral structural support to the roof. If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center. To build a shed roof you ll need rafter boards plywood gusset plates plywood sheathing felt roofing paper and shingles. Finally there is a barn type or gambrel shed roof.

Code to add this calci to your website. A ridge beam runs the length of the shed roof connecting every pair of rafters. How to build a shed roof step by step. Each beam is notched at the bottom called a birdsmouth so that it rests flat on top of each wall.

Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter. Building installing roof rafters. Find its length with our online rafter length calculator. As a general rule roofs that have a high human occupancy rate should be framed with rafters every 16 structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes.

The gable shed has a roof like a house so the roof trusses will have a peak in the middle. Make a birdsmouth notch at the end of each rafter to help it fit into place. 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.