Roof Framing Layout

The structure of the roof roof structure and roofing the roof structure is also called roof frame work and typically consists of wood.

Roof framing layout.

Choose the design of the roofing trusses. The roof frame work mainly consists of purlins inferior purlin central purlin and ridge purlin ridge collar rafter and roofing battens. Measure down y height from the long point of the rafter cut and make a mark. Add the length of the overhang beyond this mark and.

Position the square at the end of the rafter board with the tongue on your left and facing away from you. The framing style of the roof refers to the actual components of each. If you want to frame a roof you ve got two important choices to make in terms of design. Designing the roof 1.

Roof framing rafter layout from one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it. A distinction is made between single shell and double shell roofs. Marking the birdsmouth and the ridge board setback. Choose a style of roof.

Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. Understand the different measurements. Measure up a distance equal to 25 of the width of the rafter as shown in illustration c and put a mark. Draw a line down the edge of the tongue as shown in illustration b of the roof layout.