Title: Demonstrate the procedures for installing base, sill, and lintel flashing in a commercial setting.
Course: Masonry III (17008-III) > Section: Constructing Commercial Masonry

Demonstration should include forming end dams above openings and corners and creating laps between sections.

Process/Skill Questions:

- What is the purpose of flashing?
- How can water be diverted from the flashing to the exterior of the wall?
- What is the purpose of installing mortar-collection systems?

NCCER Masonry Standards

Level Two, Module Four (28204-14): Masonry Openings and Metal Work

Module 28204-14 provides instruction on the methods and materials used to install masonry openings and to tie wythes together and to structural elements.