Your now have a flat roof.
Revit make a flat roof.
You need to make sure you are in a floor plan view in order to use the roof by footprint tool.
To create a sloped roof in revit modify the footprint sketch of the roof by selecting and specifying the slope defining edges of the roof.
You can also use toggle slope defining on only a few of the lines to create different roof profiles such as a gable.
Go to the new level for the roof under floor plans on the project browser.
Select toggle slope defining for each line of the roof outline.
In the drawing area angle icons identify which lines of the sketch define slope.
Make sure you have selected roof by footprint from the drop down tools.
Create a sloped roof in revit step 1 draw your roof step 2 define the slope.
Add roof lines with a slope and an overhang defined.
This option turns off the roof slope extrusion for the line.
Let s start off with a flat roof first.
Get this revit file here.
When editing the roof sketch select the edge or edges you would like to slope and select defines slope on the options bar.
Select finish roof on the create roof footprint ribbon.
Select the architecture menu and then roof.
Attach interior walls to the roof.