Static Vents Static vents (roof louvers, wall louvers and wind turbines) are inexpensive and popular with professional roofing contractors. From metal to plastic Air Vent makes a variety of roof louvers ranging from round, square and slant-back designs Air Vent rectangular louvers add a decorative touch while providing exhaust ventilation. Air Vent's wind turbines are available in both internally and externally braced styles Expertly designed low-profile vent can be used for either exhaust or intake RELATED DOCUMENTS pdf RVG55 Roof Louver Datasheet pdf Square Plastic Roof Louvers RVP61 pdf Static Roof Vents Installation Instructions pdf Static Roof Vents Brochure