How To Cut Gable Roof Rafters

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.

How to cut gable roof rafters.

A plumb cut this is an angle to cut that will create a vertically plumb line on the rafter. A birds mouth is a combination of the two cuts made so the roof rafter sits tightly onto the wall plates square edge. This video will show you how to figure length and cut a common rafter for a gable roof using a framing square. You can use common rafters on any shed roof but they make the most sense when constructing a gable roof or lean to type shed roof where they can sit on or attach to top plates of a wall.

The ridge end of the rafter and often the eve end will need to be cut to the angle of the roof slope. Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter. Lean to rafters then connect to a ledger board against a wall of another shed or house. The roof rafters provide integral structural support to the roof.

The drawings and the size of the rafters are generated in real time. The length of rafters length overhang the angle of the saw cut the distance to drinking. How to calculate rafter lengths for gable hip and valley rafters common rafter framing thisiscarpentry how to calculate rafter lengths for gable hip and valley rafters how to cut roof rafters doityourself how to cut a birdsmouth joint fixing rafters and joists wall. A seat cut is a horizontally level cut so the rafter can sit flat onto the wall plate.