Standard UPVC sliding door for the patio can be upto 8-9 feet tall depend on the system used. The width usually varies depending on the patio door configuration. Some doors come with two panel configurations, while some come with three panel configurations. While selecting sliding UPVC doors for your patio, you should consider the wall area size and the quantity of natural light that you wish to allow in. This can help in determining the best size for the sliding glass door. If you look at the standard size of patio doors, they are 7-8 feet. Their width varies based on the configuration of the patio door (i.e. whether it is a 2- or 3-panel configuration). The size of patio doors has to be carefully chosen because it can help in enhancing the aesthetics of your patio and also allow natural light while easily accessing the porch. To explore and buy one, you can find out UPVC sliding doors prices India by searching it online.