The braces that will hold up the awning are about 4 thick.
Attaching awning to brick veneer.
Instead the osb plywood or framing members should be relied upon to support the weight of the awning.
The roof framing itself in this.
Also when using screws it s imperative that you use countersinks for the screws.
Modular or solid blocks brick and cut stone serve as sturdy support materials for an awning.
Attaching small canopies or awnings to existing brick veneer.
How to frame a roof against a brick wall.
Yes brick walls make a great anchor point for sail shades and awnings but you will want to mount the bracket to the mortar between the bricks.
Milkshakelake structural 16 feb 19 00 24 houseboy a quibble about your quibble if the ladder is leaning on the canopy at 15 degrees from vertical there will be a vertical component of reaction.
The awning will be mounted to a solid brick wall not veneer at the top with a ledger board and below with braces brackets.
Generally they do not require additional support material or for you to seek out a stud for extra support.