The revit interface is a bit unclear about constructing a flat roof, but no roof is truly flat, and creating a flat roof in revit allows the designer to annotate the roof without having to deal with the issues associated with the modeled hips and valleys of a low-slope roof.. Shed roof revit. shed roof revit,description on how to create a custom roof in revit. revit tutorials roofs,see hd version of tutorial tutorial here swatchvlocwuye01da part 1 in this revit tutorial we will take a look at the roof by footprint.. Raising the roof�creating roofs in revit