Quarrix Rigid Roll® and Rigid Section ridge vent is the most durable and versatile attic ventilation product on the market. Made of crush-resistant HDPE for unbeatable durability and works with a wide variety of roofing materials. It can be installed on the hip and ridge to provide a clean and beautiful roof appearance. Weather is no-challenge for Quarrix ridge vents. The Rigid Roll and Rigid Section include the patented StormStop® Membrane that allows air to flow while preventing all forms of weather from entering the attic space. Quarrix Rigid Roll is available in a 20-foot roll and Quarrix Rigid Section is available in 4-foot sections (special order only). Various widths are also available.