3-24. Marking the Courses. The remaining bricks in the wall should be laid so that the top of the
brick in the course is no more than 1/4 inch above the window frame (Figure 3-29). To do this, use a
pencil to mark the top of each course on the window frame itself. If the mark for the top of the last
course does not come to the proper level, change the joint thickness you plan to use until it does.
Figure 3-29. Bricks laid to the top of the frame
3-25. Finishing the Wall. Lay the upper courses of the corner leads according to the height of the
courses for the window. After laying the leads, install the string line so that it stretches across the
window opening (Part F, page 3-17). You can now lay the bricks in the rest of the wall.
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