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.
How to attach shed roof to walls.
Toenail a truss into the top of the wall plate by nailing through the sides of the bottom chord at a 30 degree angle.
The ledger board in this case is essentially.
They will be fastened to the floor and they will be attached to each other.
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.
Frame a wide doorway by bracing the shed roof temporarily and cutting studs with a reciprocal saw.
Build a real addition by removing the siding from the shed and building new walls.
If you re building your own roof trusses the handiest place to assemble them is right on the shed floor.
Seal the top with clear caulk.
When securing your walls to the floor you will nail or screw through the bottom plate of your wall and directly into the floor joists.
But you have to do it before you build the walls.
Cover the walls with board and batten 4 by 8 foot sheets of plywood nailed vertically to the sheathing strips with the seams covered by 1 by 4 inch batten boards.
Fit rafter board into the u shaped hangers and nail it in place.
Add decking atop the roof and nail on metal flashing where the shed roof joins the existing roof.
Then use the chalk lines as a guide for cutting the truss patterns and assembling the trusses.
Your shed walls are going to attach in two main ways.
Install shed rafters from the ledger board to the outer wall using metal rafter hangers which attach to the ledger board with screws or nails.
Nail a 2 by 6 inch header board between studs over that doorway and secure it with studs from the header to the floor.
As with rafter style roofs toenailing is one of the most common ways of attaching a truss style roof to a wall plate.
Attach roofing to the garage wall with bent metal flashing that goes up the wall and over the roof.
When a shed roof intersects a wall a ledger board attached to the wall serves as a nailing surface for the ends of the rafters at their upper ends.