Roof-ridge-vent-images, a bridge design inspired by the sketches of leonardo da vinci. thanks to the geometry of the individual pieces the bridge holds together without any glue, nails or screws.. Download roof vents stock photos. affordable and search from millions of royalty free images, photos and vectors., designed with external baffles which maximize airflow across the underside of roof sheathing, the certainteed® ridge vent works year-round to efficiently and effectively ventilate an attic space.. A ridge vent is humidity and heat transfer unit found in many homes and industrial storage units, especially in hot and humid climates. these vents are used to help circulate the air by releasing the internal air pressure with a constant flow of fresh air from the outside.