Roof Framing Layout

Measure down y height from the long point of the rafter cut and make a mark.

Roof framing layout. Draw a line down the edge of the tongue as shown in illustration b of the roof layout. The framing style of the roof refers to the actual components of each. The structure of the roof roof structure and roofing the roof structure is also called roof frame work and typically consists of wood. Marking the birdsmouth and the ridge board setback.

Designing the roof 1. A distinction is made between single shell and double shell roofs. Choose a style of roof. Measure up a distance equal to 25 of the width of the rafter as shown in illustration c and put a mark.

Add the length of the overhang beyond this mark and. If you want to frame a roof you ve got two important choices to make in terms of design. Choose the design of the roofing trusses. 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. Flip the square over and place the tongue along the line made in illustration b. The roof frame work mainly consists of purlins inferior purlin central purlin and ridge purlin ridge collar rafter and roofing battens. Position the square at the end of the rafter board with the tongue on your left and facing away from you.