The ledger typically a 2 by 6 is usually designed to hold one end of the patio roof rafters.
How to make a patio roof.
Patio cover plans building.
Put a cement footing at each corner of the intended patio roof space and attach anchors to each footing.
Blow out the dust fill the hole with epoxy and insert the rod to the required depth.
Let the epoxy set leaving it overnight will assure that it is rock solid and then add the anchor bolt anchor washer and nut and tighten.
Then there are wooden beams that are evenly spaced over the frame to create the roof.
Using corrugated metal also allows me to reduce the degree of slope or roof pitch needed to a mere 10 percent or a 1 to 10 pitch.
Rafters are placed on 24 centers and attached to the beams and settle joists are attached as needed image 1.
A louvered patio roof is similar to a pergola.
Measure the area where you want to install the patio roof cover.
When you are building a patio cover off of an existing roof or wall you must take all of your measurements from the point at which the patio roof will attach to the existing structure not the outside of the slab.
Both have posts or columns that support a frame.
It is almost similar to the first method but to make the patio roof a little bit higher you will need to remove the house gutter and place the back channel a bit higher.
If necessary use a sliding bevel to determine angles needed where the rafters will meet the ledger board.
Then draw a chalk line along the outlined area for placement guidelines.
Make the patio roof a little bit higher.
Louvered patio roof ideas.
Check local building code to see if you can attach a patio roof directly to your deck.
Building on an existing deck.
This meant the patio cover could start at the edge of the house s roof at a height of eight feet and slope down to seven feet leaving a clearance of more than six and a half feet between the lowest part of the frame s headers and the ground at its outer edge.
Pergola s are thicker mounted on the shorter width and do not move.
The existing slab can vary considerably throwing off crucial measurements.
The difference comes in with the type and installation of the beams.
One side of the patio roof line will match the angles of the house while the other side of the roof line is straight.
Locating and mounting the ledger is normally a fairly easy process.
Attach the rafters attach 2x6 rafters to the house with joist hangers and or supported by the ledger board.
The ledger should be attached before the foundation is built for a deck patio roof posts and other structure.