The first attachment shows how i normally do it with slope defining lines near the roof drain with the tapered insulation roof element either extended to the main roof or just sketched out that way.
Revit roof slope insulation.
Use shape editing to add internal drains to the roof built using sloped insulation.
Modifying revit roof slopes to change the roof from a gable roof to hip roof go into the sketch options select all boundary lines and turn on the defines slope parameter note as a default your roof will have a slope of 30 degrees on all boundaries and form a hip roof unless you change the slope designation in the sketch mode per.
Technonicol plugin is a revit program add in that contains tools designed to create slopes on a flat roof using tapered insulation sandwich construction leaders as well as catalogs of building systems materials and sketch books of connections.
Whether you want a double gable roof with 6 pyramid shaped dormers or a simple gambrel roof the basics remain the same.
I used 1 8 and 1 4 sloped pieces on a 1 4 sloped roof.
One application for a shape edited slab could be a roof on a large building like this drug store for example.
First select the roof.
The insulation thickness must be at least as thick as the vertical slope else you will receive a warning.
By default the whole roof will be sloped.
8 set variable material for sloped insulation.
Want a sloped structure or a sloped insulation in your flat roof.
Check variable material in the roof structure to create sloped insulation.