Title: Install valley flashing.
Course: Carpentry III (17003-III) > Section: Installing Roofing

Installation should include

- following blueprints
- keeping installation flush to the surface
- avoiding nail holes and ensuring the surface is smooth.

Process/Skill Questions:

- What problem(s) can nail holes in flashing cause?

NCCER Carpentry Standards

Level Two, Module Five (27202-13): Roofing Applications

Module Five (27202-13) describes how to properly prepare the roof deck and install roofing for residential and commercial buildings.