Roof pitch defined and explained.
													
																	Common roof pitch angles used by builders. 
									
	
		
	
																	The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. 
																	Pitch angle incline slope they all can be used to refer to the steepness of a roof. 
																	Historically roof pitch was designated in two other ways. 
																	Or the colon can replace the slash as in 2 12 or 7 12. 
															
													
									
	
		
	
																	Roof pitch is a measurement of a roof s slope expressed as a ratio. 
																	The ridge height is 1 9 to 1 7th the span an angle of 12 5 to 16. 
																	Roof pitch designations are comprised of two numbers indicating a ratio. 
																	Commonly used roof pitches were given names such as greek. 
															
													
									
	
		
	
																	A ratio of the ridge height to the width of the building span and as a ratio of the rafter length to the width of the building.