The balcony heavy sliding door has many uses, and it is practical advantages as well. For one, it takes advantage of natural light to make rooms appear more open and bright. Second, it saves space as it doesn't sweep out an arc in the way regular doors do. This is particularly useful in small quarters. Three, it enjoys superb insulation standards and can help keep energy costs down through the creation of a steady climate indoors. There are four, its heavy-duty construction guarantees many years of trouble-free service. It will be extremely easy to take care of as well. And five, the sliding door itself gives viewers an unimpeded sight, providing ideal conditions for balconies high up from which they overlook scenic views. This is why most people or businesses will adopt these sliding doors with their lenient prices and real functionality.