Title: Install base, sill, and lintel flashing in a residential setting.
Course: Masonry III (17008-III) > Section: Performing Residential Masonry

Installation of flashing must be above grade level, at sills, and across openings to allow moisture to escape the cavity. Water must drain to the surface of the wall, either by way of weeps or wicking.

Process/Skill Questions:

- What is flashing?
- What locations require flashing?
- Why is flashing necessary?

NCCER Masonry Standards

Level Two, Module Two (28202-14): Residential Masonry

This module describes the construction techniques for residential and small structure foundations, steps, patios, decks, chimneys, and fireplaces and work activities that the mason must perform, as well as those tasks that tie into the masonry work.