Plumb Cut Roof

Tail cut which may be cut plumb or square depending on how the eaves are detailed.

Plumb cut roof.

Back in the 70 s when i first entered the prefabricated metal connector plated wood truss industry i was a sawyer. Select straight clear stock for the barge rafters and start with a board that s a little longer than you need. How to plumb cut rafter tails. For two cut plumb and two cut square specify a value for fascia depth between zero and the thickness of the roof.

Depending on the size of your structure you will need to cut several or many more. Make the bottom plumb cut on the ground. Sawyers are the folks who operate the component saws which precision hopefully cut all of the components prior to assembly. Roof pitch is measured in a rise to run ratio with the vertical rise always shown first.

In the drawing area select the roof. At this point you ve cut 1 roof rafter. The top cut face of a rafter that is designed to butt vertically against a ridgeboard. If it rises onlyread more.

The traditional method has been rise inches 12 run inches. Birdsmouth which consists of two cuts a horizontal seat cut and a vertical shoulder cut. After creating a roof change the style of the eaves by specifying the rafter cut. Plumb cut typically called the ridge cut at the top end of the rafter.

Locate these rafter terms in the illustration below. Print full scale rafter plumb cut templates and birdsmouth templates. Wall thick wall height allow for ridge thickness when determining rafter run to outer wall. This is a mitered plumb cut 4 in 12 on this roof if you re working with finished trim.

So if your roof is a 45 degree angle that is for every 12 along the horizontal run it rises 12 it s a 12 12 pitch. Some architectural designs call for plumb or vertical cuts as opposed. When framing a gable or hip roof the final step is cutting the rafter tails for fascia board. Square cut or plumb cut.

Roof angle overhang level rafter depth rafter thick birds mouth plumb birds mouth seat. The results are automatically fired as soon as any of the values are entered or altered. The length of the rafter is given from the long point of the ridge cut at the top down along the top edge the board to the same plumb cut on the rafter s notch. On the properties palette for rafter cut select plumb cut two cut plumb or two cut square.

Plumb cut definition is a cut in a vertical plane. Select a roof pitch.