Plumb Cut Roof

Back in the 70 s when i first entered the prefabricated metal connector plated wood truss industry i was a sawyer.

Plumb cut roof. Print full scale rafter plumb cut templates and birdsmouth templates. How to plumb cut rafter tails. Determine a thickness for the ridge and use the drop down to select it. 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.

The results are automatically fired as soon as any of the values are entered or altered. This is a mitered plumb cut 4 in 12 on this roof if you re working with finished trim. At this point you ve cut 1 roof rafter. When framing a gable or hip roof the final step is cutting the rafter tails for fascia board.

Select a roof pitch. After creating a roof change the style of the eaves by specifying the rafter cut. Some architectural designs call for plumb or vertical cuts as opposed. The traditional method has been rise inches 12 run inches.

In the drawing area select the roof. If it rises onlyread more. For two cut plumb and two cut square specify a value for fascia depth between zero and the thickness of the roof. All roof rafters should be identical so follow the same steps to measure the plumb cut tail cut and birdsmouth cut.

On the properties palette for rafter cut select plumb cut two cut plumb or two cut square. 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. Tail cut which may be cut plumb or square depending on how the eaves are detailed. Roof angle overhang level rafter depth rafter thick birds mouth plumb birds mouth seat.

Roof pitch is measured in a rise to run ratio with the vertical rise always shown first. Select straight clear stock for the barge rafters and start with a board that s a little longer than you need. Square cut or plumb cut. Sawyers are the folks who operate the component saws which precision hopefully cut all of the components prior to assembly.

The top cut face of a rafter that is designed to butt vertically against a ridgeboard. Make the bottom plumb cut on the ground. Locate these rafter terms in the illustration below. Birdsmouth which consists of two cuts a horizontal seat cut and a vertical shoulder cut.

Plumb cut typically called the ridge cut at the top end of the rafter. Wall thick wall height allow for ridge thickness when determining rafter run to outer wall.