How To Do Roof Framing Plan

Figure 2 2 roof framing terms.

How to do roof framing plan. Position the square at the end of the rafter board with the tongue on your left and facing away from you. 1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. If you want to frame a roof you ve got two important choices to make in terms of design. The framing style of the roof refers to the actual components of each.

Designing the roof 1. This will the first point of the rafter measurement line. Make triangular gusset plates using plywood to attach the 4 pieces to form the truss. Each of these utilizes a fundamentally different approach to building the roof frame.

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. The point at which all the rafters are attached to. Add the length of the overhang beyond this mark and. Measure down y height from the long point of the rafter cut and make a mark.

Figure 20 5 for complicated roofs a roof framing plan may be drawn to show the size and location of every structural member. The calculations required for roof. Roof framing plan the two types of roof framing. If you take a quick look at the various houses in your neighborhood you ll.

Choose the design of the roofing trusses. Transfers the load of the roof through the raftersto walls below. If the unit of rise in inches is 3 then the cut is the unit of rise and the unit of run 12 inches or 3 12. Line length is the hyptenuse of the triangle whose.

By bringing the rafters closer together at 19 3 16 increments you increase the strength of the roof enough to prevent snow from crashing through your roof just like that insurance commercial guy mayhem. Line of existing residence sld. Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. While this isn t exactly framing related it s still worth mentioning.

Choose a style of roof. Parts of a roof a ridge board is a horizontal member of the roof frame. A 2 4 or 2 6 or heavier ceiling joist connects the bottom of the truss where it sits on the top plate. The dimension of the ceiling joist depends on the span and what you plan to store in the attic.

Choosing the right frame for your roof. 01 2 3 4 5 67 8910 11 12 0 1 2 3 4 5 4 12 pitch.