Designed to seamlessly blend into nearly any space, the Series of TP135-35 High Track Thermally Broken Slding door, which offer modern details that allow for more light and glass. Each of our product families is tested for air, water, and structural performance and certified by the NFRC (National Fenestration Rating Council) This sliding door is suitable for a wide range of commercial, industrial and residential applications such as large feature doors or large factory doors. The track is supplied in a clear (natural) anodized finish, making it suitable for interior or exterior use.