Framin Roof Layout

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

Framin roof layout.

Refer to the figure as you study the terms discussed in the next paragraphs. Meeting current irc roof framing requirements means builders are really constructing very simple triangles using the rafters and ceiling joists because triangles are known to be the most stable shape. This will the first point of the rafter measurement line. This pushes the studs over just enough so the next piece of plywood sheetrock etc.

Features associated with basic roof framing terms are shown in figure 2 2. Partially these will depend on the style of roof you ve selected but you ll also have some wiggle room depending on the design elements of the house. Framing gone wrong top and bottom plates. Span is the horizontal distance between the outside top plates or the base of two abutting right triangles.

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. Breaks perfectly on a stud. Position the square with both the 8 inch on the outside edge of the tongue and the 12 inch on the blade on the upper edge of the board. Rafter layout with a framing square this example is for a roof with an 8 12 pitch position the square at the end of the rafter board with the tongue on your left and facing away from you.

Unit of run is a fixed unit of measure always 12 inches for the common rafter. This mistake happens quite often when you ve got multiple walls to frame up.