Title: Install roof underlayment.
Course: Carpentry II (17003-II) > Section: Installing Roofing

Installation should include

- identifying types of underlayment
- keeping the underlayment taut, with two-inch horizontal overlaps
- fastening according to local building code.

Process/Skill Questions:

- What is the function of roof underlayment (i.e., roof felt)?
- What are problems associated with improperly installed roof felt?

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.