For example a slope of 6 12 means for every 12 inches of horizontal distance the slope of the roof will rise 6 inches vertically.
Scissor truss fraimed adjoining gable roof images.
Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs.
Pitch slope the pitch or slope is the incline of the roof expressed as a fraction describing the rise over the run.
A stick framed house used 20 643 board feet of lumber while a component framed house including roof trusses used only 15 052 board feet of lumber.
Click and drag to draw a roof truss perpendicular to the ridge line of the roof and ceiling planes.
While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses.
The rise will be the elevation change over the 12 inches.
To create scissor trusses with both the ceiling and roof planes in place you can now create roof trusses.
A flat bottom chord gable end frame used with adjacent trusses that have sloped bottom chords see figure b3 42b creates a hinge in the wall gable interface that is below the bottom chord plane diaphragm.
That is 25 less lumber which means more money in your pocket as the builder and more money in the pocket of the homeowner.
Scissor trusses flat bottomed gable ends 10 14 2019 page 50 of the bcsi b3 states the following.
See more ideas about scissor truss roof trusses design.
Click on the truss to select it and move it so that the exterior edge of the truss is aligned with the exterior edge of the framing layer.