How To Frame Gable Roofs 2

Laying Out The Ceiling Joists

Mark the position of the second rafter centre at 400 mm (16 inches) o.c.as shown on figure 33. Measure back one-half of the rafter thickness, which is 19 mm (3/4 inches), and mark it with a line and an X. This will be the location of the first ceiling joist.

Figure 33   Ceiling Joist Layout

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1.Framing Gable Roofs: Roof Framing Is Based On The Pythagorean Theorem.
2.Framing Gable Roofs: Layout The Ceiling Joists.
3.Framing Gable Roofs: Cut The Ceiling Joist To The Slope Of The Rafter.
4.Framing Gable Roofs: Gable Roof Components.
5.Framing Gable Roofs: Calculate The Length Of A Common Rafter.
6.Framing Gable Roofs: Mark Plumb Lines For Ridge, Birdsmouth And Overhang.
7.Framing Gable Roofs: Adjust The Rafter To The Size Of The Ridge Board.
8.Framing Gable Roofs: Layout & Cut The Rafter Birdsmouth.
9.Framing Gable Roofs: Calculate Length Of The Rafter Overhang & Cut Excess.
10.Framing Gable Roofs: Layout The Collar Ties.
11.Framing Gable Roofs: Calculate The Gable End Stud Lengths & Adjustments.
12.Framing Gable Roofs: Calculate Gable End Stud Length By Ratio & Proportion.

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Written and maintained by
Ronald Hunter

All images and text are copyright Ronald Hunter 2005 to 2011