How To Cut Roof Rafters For Shed Roof

Cut fascia boards to finish the edges of your roof.

How to cut roof rafters for shed roof.

The ridge cut also called the plumb cut at the top of the rafter the birdsmouth cut which itself comprises 2 different cuts where the rafter meets the building s wall and the tail cut at the base of the rafter. In this video you will learn all about common rafters. 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.

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. You are going to cut out triangles that will cover the apex of each set of rafters. Enter or select the lumber sizes for the common rafter ledger board and fascia board. For its manufacturing use bars 50 50 and fix them across rafters.

The rule of thumb is that the gusset should be twice the width of the wood you use for your rafters. How to measure or figure rafter length and mark and cut them accurately. Cut your 2 in 5 1 cm x 4 in 10 cm or 2 in 5 1 cm x 6 in 15 cm to match the length of the shed. On top of these layers stack a lathing.

The next step of how to build a slanted shed roof should be the roof covering on a wooden decking. Once you have the sheathing in place your final task will be to mount fascia boards to cover the exposed ends of your rafters. They can be placed with intervals or completely. For an 8 10 shed one sheet of plywood should be fine.

When you cut the rafters you ll need to make 3 separate cuts. The first thing you need to do is determine your roof slope. What your carpenter would do is go up the narrow leg of the framing square to 4 inches and go out on the fatter leg 12 inches. If you lay a straight edge between these two points on the framing square you ll create the sloped part of the triangle.

The roof rafters provide integral structural support to the roof. Covering a slanted roof. If no ledger board is used enter zero for the ridge thickness or select no ridge purlin from the dropdown list.