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How to cut roof rafters youtube.
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The rafter square makes it easier to cut the correct angles for anyone looking to make custom roof trusses.
When you cut the rafters you ll need to make 3 separate cuts.
This video will show you how to figure length and cut a common rafter for a gable roof using a framing square.
Rafter layout to lay out a rafter you need to know the roof slope and calculate the rafter run.
Roof slope is the incline of the roof expressed as a ratio of the number of inches of rise vertical travel for every foot of run horizontal travel.
In our example we have a 7 12 roof 7 inches of rise for every foot of run.
The roof rafters provide integral structural support to the roof.
The secret to making a good rafter is cutting the proper angle.