Title: (Optional) Form a corbel and racking.
Course: Masonry I (17008-I) > Section: Performing Residential Masonry

Formation includes courses of brick projected from the face of the wall, according to plans. To form a racking, courses of brick must be recessed from the face of the wall, according to plans.

Process/Skill Questions:

- When corbelling a chimney, what determines the maximum amount of corbel allowable?
- What is a wash cap or wash?

NCCER Masonry Standards

Level One, Module Six (28105-13): Masonry Units and Installation Techniques

This module describes characteristics of block and brick; how to set up, lay out, and bond block and brick; how to cut block and brick; how to lay and tool block and brick; and how to clean block and brick once they have been laid. This module also provides information about masonry reinforcements and accessories that masons use on the job to lay block and brick professionally and safely.