In sketch mode select a roof boundary line that defines slope indicated by.
													
																	Revit skillion roof. 
									
	
		
	
																	Skillion lean to roof profile diagram quest. 
																	To specify roof pitch select a slope defining boundary line click the numeric slope definition. 
																	But probably applies to all previous versions too. 
																	In this revit tutorial we will take a look at the roof by footprint tool and use it to create a butterfly type roof in revit. 
															
													
									
	
		
	
																	Select and re calculate to display. 
																	Select output fraction precision decimal inch or metric mm. 
																	By applying the defines slope property to lines of a roof boundary you can create different roof types including flat roofs gable roofs and hip roofs. 
																	For example a skillion roof with a 45 degree edge. 
															
													
									
	
		
	
																	It requires that we adjust the slope factor to get the shape that we. 
																	Use model in place with a sweep and use pick 3d edges. 
																	On the properties palette select or clear defines roof slope. 
																	Revit roof slope can seem complicated at first glance but by learning a few critical features you can create any roof shape you desire.