The OKNA 5600 Series Patio Door is an ideal solution for adding light to any room while making the most of limited space. Available in Replacement and New Construction applications, the elegant design combines the security of structural integrity and the comfort of energy efficiency. A host of options increase the versatility of this series.

The OKNA 8500 Series sliding door is our high-end product. The 8500 Series combines superb craftsmanship with an old world look and feel. This series offers glass and structural options to blend with any décor while providing the utmost in energy efficiency. With the 8500 Series, OKNA is pleased to provide a breakthrough product to demanding customers. Since all OKNA products are custom-made, you can be sure of a perfect fit every time.