DARA DOORS offers  the best thermal break aluminum for ultra-large bifold patio doors. Thermal break aluminum is a material that applies a polyamide bar  between the interior and exterior aluminum to stop heat transmission, also known as thermally broken aluminum.  Our thermal break aluminum products have a range of U-factors (heat loss rate) from 0.2 to 0.26 

Our bifold doors are a great solution for ultra-large openings, we can make it up to 16 door panels with a total of 46ft long and 10ft high. Our bifold doors can give you the best panoramic view and effortless entrance whether commercial or residential need.

we provide fully tempered double-pane glass as our standard option. With US standards and specifications, our energy-efficient integrated glazing units (IGU) feature double panes glasses, warm-edge spacers, argon gas fill, Low-E coatings, and fully tempered glass, greatly improving the energy efficiency with a 0.2 U-factor. They can not only create a comfortable and natural indoor environment but also save electricity bills and heating bills .

The new Aluminum sliding Door design breaks the traditional sliding Door design.  The new design is simple and elegant. it advantages of not occupying indoor space . 

When the “Horizontal Slider”  opens, the Door  can move in either direction. .

Horizontal sliding Doors are an excellent option for rooms with access to terraces, porches, or sidewalks since they can slide open without sticking out. Modern architecture favors smooth operation.