If the door is 7 tall frame the opening 7 1 5.
													
																	Frame out garage door. 
									
	
		
	
																	They are also rot resistant which means it will take decades to breakdown. 
																	Frame the rough opening to 3 inches wider than the garage door size you have selected. 
																	Woodworkers prefer it because they are lightweight effortless to cut stain and hit a nail into. 
																	Pine is an excellent choice for a garage door frame. 
															
													
									
	
		
	
																	The pale yellowish look of pine also gives it an extra edge and something to consider. 
																	If you are installing a 9 wide door the opening will be 9 3 wide.