Since 1953, the Stanek name has been associated with quality as well as Patio Enclosure Brand since 1966. We have always been on the cutting edge. Our line of beautiful Stanek Vinyl Windows offers outstanding strenght and unbeatable insulation, backed by certified performance. Our windows and patio doors are engineered to outperform the elements, and the competition. All welded construction and full-protruded fiberrmax reinforcement. We offer advanced thermal protection that increases energy efficiency and lowers energy bills. All Stanek Products carry certification labels from three of the most respected organizations in the contry. The National Fenestration Rating Council (NFRC), Energy Star and NAMI and to reinforce our commitment to quality, we independently certify and test our Windows and Patio Doors. We have full size Patio Enclosure Sunroom models in our West Allis Showroom & Education Location. Come visit us!