Features Dimensions listed in the name of this sliding door are the finished openings, which include the top and bottom track, the door, and proper space between the door and tracks; the actual door panel is 77.5" for 80" tall openings. Heavy-duty hardware, including ball-bearing rollers, ensures smooth quiet operation. The solid construction gives the door a very safe and sturdy feel when opening and closing, in addition to making it pierce and impact-resistant. Door panels are smaller than…