If you re running straight down from the gutter measure from the bottom of the gutter.
													
																	How to add a downspout to a gutter. 
									
	
		
	
																	Step 2 drill four holes. 
																	If you have an elbow measure and add an inch and a half to allow for insertion of the elbow into the downspout. 
																	Adding gutters and downspouts to your home is a great way to increase the livability and add to the value of your home. 
																	Place a step ladder under the area you are installing the downspout. 
															
													
									
	
		
	
																	Step 3 file the edges and apply sealant. 
																	How to cut a downspout into a gutter. 
																	In either case set an elbow on the ground propped up where the downspout will end and measure to the top of it. 
																	Drill a hole in the bottom of the gutter at the 4 inch mark with a 1 inch hole saw attachment to the drill. 
															
													
									
	
		
	
																	Follow some simple steps to complete this improvement. 
																	Step 1 find the right location. 
																	Its easy less than 30 minutes and under 30 00 in parts. 
																	Watch and learn how and stop. 
															
													
									
	
		
	
																	How to add a downspout in an existing gutter step 1. 
																	Gutters over flows add downspout to bring water down from roof faster. 
																	Step 4 secure the sleeve to the gutter.