The ledger is needed to properly attach the perpendicular roof trusses to the top of the structure.
How to attach roof rafters to walls.
Walls that are constructed of concrete block that need to be covered with a roof will require the use of a ledger.
Lean to rafters then connect to a ledger board against a wall of another shed or house.
Attaching rafters beams when building a patio roof it can be tricky to build the post and beam structures that support the rafters.
A ledger board is a horizontal member that supports the ends of joists or rafters where they meet a vertical surface.
A ledger is a horizontal board that is attached to the top of the the wall.
Use screws to secure the rafter to the sill plate.
While they function similarly they have unique differences that affect how they attach to the supporting walls.
It is drilled at an angle on different ends of the rafter which prevents the nails from loosening from the roof s.
Different methods to attach rafters to the top plate 1.
Roof trusses are prefabricated wooden roof members that combine the rafter and ceiling joists of conventional framing into one structural piece.
Rafters are beams that run from the peak of the roof to the top plate of the supporting walls.
Both trusses and rafters can be used to create the roof of a building.
Position the rafters on top of the sill plate.
In a sloped roof common rafters run from the peak of the roof down to the top of the exterior walls of the building.
A classic choice for securing your rafters is toenailing involves connecting the rafter to the top plate using nails driven into the beam and the wall cap.
Joist hangers can help you mount each rafter to the house.
Let s begin by comparing these two different roof styles.
The porch roof may match the pitch of your home or have a more shallow roof pitch.
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.
Although a roof truss may be heavier and more difficult to maneuver onto the top of the building than conventional framing lumber once there it can easily be slid into position and secured.
You can use common rafters on any shed roof but they make the most sense when constructing a gable roof or lean to type shed roof where they can sit on or attach to top plates of a wall.