After placing a wall you can override its initial top and base constraints by attaching its top or base to another element in the same vertical plane.
Revit trim wall to the slope of a roof.
The other element can be a floor a roof a ceiling a reference plane or another wall that is directly above or below.
Sketch slope arrows as shown.
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.
On the properties palette select new sketch from the filter list.
Click to select the roof.
Attach walls to the roof.
Press ctrl and click to select each interior wall that displays in the underlay of the entry level.
Activate slope to create sloped roof this is part of the revit pure basics package.
Then copy and paste the embed code into your own web page.
Click modify create roof footprint tabdraw panel slope arrow.
Under dimensions for slope enter 9 or the metric equivalent.
In the drawing area angle icons identify which lines of the sketch define slope.
When editing the roof sketch select the edge or edges you would like to slope and select defines slope on the options bar.
Position the cursor over an exterior wall press tab and click to select the chain of walls selects all of the exterior walls.
Check out the full thing.
How to make a wall end in an angle shape.
Under constraints for specify select slope.
Click modify walls tab modify wall panel attach top base.