The Duo-Fast® Cordless Roofing Nailer is a self-contained, fully portable nailer that uses liquid hydrocarbon fuel to power a unique linear drive internal combustion motor.

In order for you to fully understand the information contained in this manual, you need a basic understanding of the Cordless Roofing Nailer. The Cordless Roofing Nailer is made up of three major areas: handle, magazine and motor.