This Product Is No Longer Carried by Solarroyal WindeeVent Product Information The WindeeVent is a revolutionary, passive garage ventilation system built to last utilizing the highest quality aluminum and an adjustable hand crank louver control. The WindeeVent opens and closes to allow constant airflow into the garage, keeping the garage and adjacent walls cool. WindeeVents are sold in pairs and include: Crank handles adjustable louvered vents Paintable aluminum powder-coated

All major brands of shingles, laminates and roofing materials require proper ventilation!     Warranties are like playing 'Roulette', it all depends on what kind of roofing material, model, brand, warranties offered, who installed it, was the installers certified at the time, is the installer still certified, is the installer still in business, how it was installed and when it was installed BUT its a fact that most roofing brands rarely calculate