Draw your roof boundary.
Revit roof layers.
On the properties palette click edit type.
You should be left with a lean to roof with just a single fall similar to the following.
There are two types of information in a wall in revit.
Then you tag the individual layers of the wall and not the wall itself.
The variable thickness parameter column will contain empty check boxes next to layers where variable thickness can be enabled.
The best way to model a lean to roof in revit is to use the roof by footprint tool.
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.
Select all but one boundary and turn off defines slope parameter.
Data about the wall itself and data about the.
Select roof by footprint for the architectural tab.
In the edit assembly dialog specify the material for layers and the thickness of those layers.
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.
Materials widths and material layers with widths can be written into multiline type parameters of all six layered categories ceilings floors site pads roofs structural foundations and walls.
In the value box of the structure property click edit.
Roof construction in revit.
The add in analyzes all layered structures in an autodesk revit project looking for material names and layer widths thicknesses.