Roof construction in revit.
Revit roof layers.
Select roof by footprint for the architectural tab.
On the properties palette click edit type.
In the value box of the structure property click edit.
Select all but one boundary and turn off defines slope parameter.
If its an issue of forcing certain information in to a wall tag because thats how you did it previously youre going to struggle getting revit to do what you want.
There are two types of information in a wall in revit.
The add in analyzes all layered structures in an autodesk revit project looking for material names and layer widths thicknesses.
Data about the wall itself and data about the.
Select the floor or roof.
Then you tag the individual layers of the wall and not the wall itself.
Materials widths and material layers with widths are written into multi line type parameters of all six layered categories ceilings floors site pads roofs structural foundations and walls.
You should be left with a lean to roof with just a single fall similar to the following.
Add in analyses all layered structures in revit project looking for material names and layer widths thicknesses.
The best way to model a lean to roof in revit is to use the roof by footprint tool.
In the edit assembly dialog specify the material for layers and the thickness of those layers.
Draw your roof boundary.