Start points and endpoints can be added anywhere on the face of.
Slice roof revit.
Watch the status bar to be sure that you are highlighting the main roof.
Hope this is of assistance.
Select a vertex edge face or point anywhere on the structural floor to start the split line.
You can use the add split line tool to add linear edges and to split the existing face of a roof or structural floor into smaller sub regions.
Highlight the main roof on the building model and click to select it.
Whether you want a double gable roof with 6 pyramid shaped dormers or a simple gambrel roof the basics remain the same.
You can cut openings in the faces of these elements or you can select the entire element to make a vertical cut.
Create a void extrusion and make to required cut in the new construction phase apply the cut and done.
Click modify tab geometry panel cut drop down cut geometry.
Create a sloped roof in revit step 1 draw your roof step 2 define the slope.
See hd version of video tutorial here.
Click modify floors tabshape editing paneladd split line.
Determine the length of the void ideally in 3d view at wireframe mode extend this in order to intersect the roof surface that will be cut use the cut geometry command and select first the roof than the void.
Open the revit family with unattached voids and click create tab properties panel family category and parameters.
Load the family into the project and place it.
Click by face or vertical.
After that you can click finish to execute the cut.
Select the floor to modify.
Place the cursor in the drawing area.
Revit roof slope can seem complicated at first glance but by learning a few critical features you can create any roof shape you desire.
If anyone is still looking for a solution you can make a roof cut into an existing roof using component model in place.
Use one of the opening tools to cut a vertical or perpendicular opening in a roof floor or ceiling for example to accommodate a chimney.
The pick roof wall edges tool is active so that you can pick the boundaries that compose the dormer opening.
