Roof Framing Steps

A lean to roof just means it s attached to an existing structure.

Roof framing steps.

And the line length measurement from the roof peak to the building wall is the hypotenuse. Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs. Input the pitch of the roof that you calculated above we ll use 7 12 for reference throughout on the framing square. This is the layer of material that goes on top of the frame and provides the surface of the roof.

Notch a birdsmouth where it sits on the low wall and extend it past the wall for the eaves. Install collar ties purlin and bracing as needed for the rafters and ridge to prevent sagging. The high end of the rafter sits on or attaches to a ledger plate attached to the existing wall. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.

The rafters are usually positioned directly above the wall studs. Lean to shed roof framing. The process can be broken down into four main steps and they are. Wondering how to build the structure of your roof.

Most roofs utilize 16 inch spacings for strength and rigidity. Stick framing combines roof rafters with ceiling joists. Install any secondary members gable ends hips valleys and jack rafters. Nail 2 boards onto your walls as top plates.

Like wall studs and floor joists rafters and trusses are spaced every 16 or 24 inches from center to center. This video covers one of the most exciting parts of roof framing installing rafters. This is the construction and installation of the roof frame which can be done with premade trusses. So if the pitch of your roof is 7 12 place one stair gauge on the vertical part of the framing square the tongue at the 7 inches 18 cm mark and place one stair gauge on the horizontal part of the framing square the body at the 12 inches 30 cm mark.

The lower end is done the same way a skillion or shed roof is. We will go over raft. Nail the first boards on top of your wall where you plan to build your roof. On the body of the square the longer side input the 12 and input the 7 on the tongue the shorter side of the square by lining up the stair gauges at the corresponding point on the square.

The run or half the building span is the base of the triangle.