How to build a garage door frame step 1.
													
																	How to frame in a garage door. 
									
	
		
	
																	Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected. 
																	The finished opening needs to be the same size as the. 
																	If you are installing a 9. 
																	Doubled 2 4 s at minimum should be at each edge of the garage door to allow for the mounting of the tracks and jamb brackets. 
															
													
									
	
		
	
																	Frame the rough opening to a height that is 1 5 taller than the door that you have selected. 
																	Cut the header from 2 x 12 lumber and to a. 
																	Back framing the garage door first the inside vertical jambs are lined with wood to mount the track to. 
																	Measure the rough. 
															
													
									
	
		
	
																	For a seven foot tall garage door the jamb. 
																	For standard hardware this is usually around 18 inches above the header. 
																	Make the rough opening 3 wider than the garage door also make the rough opening 1 5 taller than the garage door leave a headroom of 14 or 12 minimum install the header jambs and center pad of the frame using a 2 x 6 lumber for the header jambs and center pad leave at least 5 of space on. 
																	Measure the distance from the bottom plate of the wall to a point that is 1 1 2 inches higher that the garage door. 
															
													
									
	
		
	
																	Determine the size of the garage door to be installed. 
																	Header requirement 2 at minimum the header should be 12 wide with doubled 2 4 at opening and ceiling running the width of the door with a 2 4 in the center of the opening for the center bracket to attach to. 
																	To finish the opening. 
																	This is usually done by fastening two 2 6 s to the back of the frame from the floor to as high as the hardware will go to. 
															
													
									
	
		
	
																	Headers should be a minimum of 12 wide. 
																	Frame the rough opening to 3 inches wider than the garage door size you have selected. 
																	Let s get started with your framing 1.