The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material.
How to tie a roof into a brick wall.
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.
After that to make it flush with the roof of the existing house cut the two outer rafters.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
You have to do it thoroughly so that the rafters sit flush on it.
Most simply use a nominal 6 piece of lumber.
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.
Attach the horizontal beam by using a nail gun.
Good luck with properly anchoring into that wall there is no ties in that wall and it looks like the brick are solid no holes for mortar to lock into that wall needs to be rebuilt it s in bad shape and it needs tuckpointing as well.
The exterior wall covering material is then kept off the surface of the roof.
The other method is to use stainless steel screw in ties.
It also eliminates the problem of achieving adequate mortar bond at the toothed connection.