Types of Courses
Stretcher course: This is a course made up of a row of stretchers. This is the simplest arrangement of masonry units.
Header course: This is a course made up of a row of headers.
Bond course: This is a course of headers that bond the facing masonry to the backing masonry.
String course (Belt course or Band course): A horizontal row of masonry, narrower than the other courses, that extends across the façade of a structure or wraps around decorative elements like columns.
Sill course: Stone masonry courses at the windowsill, projected out from the wall.
Split course: Units are cut down so they are smaller than their normal thickness.
Springing course: Stone masonry on which the first stones of an arch rest.
Starting course: The first course of a unit, usually referring to shingles.
Case course: Units form the foundation or footing course. It is the lowest course in a masonry wall used for multiple functions, mostly structural.
Barge course: Units form the coping of a wall by bricks set on edge