Nov 29 2014 expert advice on how to build an outdoor patio roof or gazebo with illustrated step by step instructions and construction diagrams.
Porch roof attaching ledger board to house for roof.
Attach the rafters to the house with joist hangers which supported by ledger boards.
Joist hangers can help you mount each rafter to the house.
Spending time by relaxing on a patio is a great idea.
Attach 2x6 rafters to the house with joist hangers and or supported by the ledger board.
If necessary use a sliding bevel to determine angles needed where the rafters will meet the ledger board.
The opposite side of the porch roof will be supported by a header beam that is installed parallel to the house on top of 6x6 support posts.
If you are tying the roof directly to a house wall you can install a ledger board with flashing and install rafter ties to attach the rafters at the appropriate angles or use engineered trusses.
It does not only protect you from the heat and rain but it also accentuates your house.
If you decide on a shallow pitch porch roof use 2 by 6 foot rafters.
If attaching a patio roof to a ledger beneath the eaves does not allow for enough headroom you can set the new patio roof s rafters on the wall s top plate.
Make sure to check the vertical beam to ensure that the end rafters are placed securely.
The porch roof may match the pitch of your home or have a more shallow roof pitch.
On a two story house you can usually tie the ledger into a band joist also called a rim joist located between the floors as shown below.
Use screws to secure the rafter to the sill plate.
Rafters are placed on 24 centers and attached to the beams and settle joists are attached as needed image 1.
Therefore you need to install a patio roof.
That usually is done with a header or ledger board secured to the house.
Read on to find out how to attach a patio roof to an existing house.
A common element in adding porch roofs is fastening one end to the house either to a wall or to a roof.
Place the rafters on 24 centers attach them to the settle joists and beams toward the center.
Attach the rafters to the ledger boards and settle joists.