Chapter 9: how to install ridge vent to your roof. One of the latest trends in residential roofing is ridge vent. Most new houses and renovations get the ridge vent treatment. Why? It provides a more consistent airflow through the attic. It works in conjunction with your eave vents. It’s also lower profile & easier on the eyes. we show you all the tricks of installation in the video. Tools needed: Roofing nailer, large hook blade utility knife.