Knox - Single Full Arch | Customize Air Windows | Customize The jamb also has pre-drilled

The jamb also has pre-drilled holes and tabs to make installation easier

Our product has multiple energy-saving features

According to Healthline

We have also added Polyurethane dual foam weather stripping inside the frame of each design to minimize the transfer of hot and cold weather

As for hinges

Knox - Single Full Arch | Customize Air Windows | Customize The jamb also has pre-drilledLooking for a contemporary design with just the right amount of spunk? Look no further than our Knox single entry iron door. With 3 horizontal bars running throughout the design, this iron door screams modern industrial. With a full 5 8" tempered dual pane glass operable panel that allows a breeze to come in if desired, the glass is easy to clean and adds a sense of security to your home. The Knox is fabricated with industry above standard 12