Most simply use a nominal 6 piece of lumber.
How to tie a roof into a brick wall.
You have to do it thoroughly so that the rafters sit flush on it.
The other method is to use stainless steel screw in ties.
A structural engineer would need to sign off on that considering you want to tie a roof into that.
Where the brick is a veneer over a conventionally framed wall the best option is to remove a portion of the veneer so that you are able to tie the roof framing directly to the wall s interior.
You have to ensure that the system is bolted to the wall in a plumb upright position to ensure any brickwork is also straight and level.
It also eliminates the problem of achieving adequate mortar bond at the toothed connection.
The wall starter is simply bolted to the existing wall and wall ties are slotted into the rack every time it is required to tie into the new wall.
After that to make it flush with the roof of the existing house cut the two outer rafters.
The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
The wall starter connector is simply bolted to the existing wall and wall ties are then slotted into the rack at distances where it is required to tie into the new wall.