Pine is an excellent choice for a garage door frame.
													
																	Garage door frame out. 
									
	
		
	
																	Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected. 
																	Measure the distance from the bottom plate of the wall to a point that is 1 1 2 inches higher that the garage door height. 
																	If you are installing a 9 wide door the opening will be 9 3 wide. 
																	By william machin a garage door jamb runs from the floor to the underside of the header at each side of the opening. 
															
													
									
	
		
	
																	If the door is 7 tall frame the opening 7 1 5. 
																	They are also rot resistant which means it will take decades to breakdown. 
																	Woodworkers prefer it because they are lightweight effortless to cut stain and hit a nail into. 
																	Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening. 
															
													
									
	
		
	
																	How to frame a garage doors opening in this case 9ft wide by 8ft tall. 
																	How to frame a garage door 1. 
																	Frame the rough opening to a height that is 1 5 taller than the door that you have selected. 
																	Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening. 
															
													
									
	
		
	
																	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. 
																	How to measure the finished width and height use of 2x4s for the sides and header.