If necessary use a sliding bevel to determine angles needed where the rafters will meet the ledger board.
													
																	Attach an awning ledger board to a house. 
									
	
		
	
																	Attaching a deck ledger securely is only half the work of installing a ledger. 
																	Locating and mounting the ledger is normally a fairly easy process. 
																	A ledger relies on the fasteners and strength of the wood ledger board and rim board of the house to carry the deck live and dead loads. 
																	Because a ledger board is very heavy and hard to work with you need to drive framing nails 16 penny or screws every two feet to temporarily attach the ledger. 
															
													
									
	
		
	
																	Attaching a patio roof to an existing house is not a doddle but it does not mean that you cannot do it. 
																	You just need some assistances of experts if you are not really good at carpentry. 
																	A common element in adding porch roofs is fastening one end to the house either to a wall or to a roof. 
																	In our example one of the ledger boards extends past the house. 
															
													
									
	
		
	
																	A house attached patio roof takes advantage of the house s structure by supporting one end of the roof on a ledger mounted horizontally to the house. 
																	Rafters are placed on 24 centers and attached to the beams and settle joists are attached as needed image 1. 
																	Before attaching a patio roof to your home you need to prepare some materials such as. 
																	The ledger should be attached. 
															
													
									
	
		
	
																	Some steps on how to attach a patio roof to an existing house. 
																	The complexity of the job will vary with the size of roof from a simple entryway covering to one over a large screened in area. 
																	That usually is done with a header or ledger board secured to the house.