Building a straight lead should include
- laying brick on a stretcher bond
- forming a plumb jamb on one end
- racking back a half brick on the opposite end
- maintaining uniform joint width.
IRC: Chapters 4 and 7 cover coursing of brick and block along with head- and bed-joint-required sizing.
Process/Skill Questions:
- What is meant by checking the range?
- Where is the tail located on the lead?