Double Hung Windows
The Okna and Starmark Double Hungs window represents the next generation of classic-style, widely popular in homes across America. Energy-efficient features help keep you comfortable year-round while saving utility costs.
Rugged Construction delivers long-term performance and security. Our Limited Lifetime Warranty* guaranties it. Enjoy easy operation and virtually maintenance-free performance. Strength, durability and revolutionary thermal performance, integrated into a classic architectural mainstay – what a smart investment in both the value and comfort of your home.
Deluxe heavy-duty low profile cam locks provide added security against intruders. Sash is glazed from the interior and cannot be removed from outside the home. Extruded screen frames with locks can be put in either an up or down position.