There is no one standard size for sliding glass and patio doors. When it comes to standard sizes, sliding glass doors will generally come in panels of two or three, depending on the space you want to cover with the door. A common standard size people will choose is a 2-panel sliding glass door.
Are sliding door rollers universal?
Sliding door rollers naturally wear out over time, causing your sliding door to stick or jump as you slide it open or closed. ... Remember that there is no universal roller to fit all sliding doors. Make sure to bring the old roller with you to your home improvement store to make sure you get the correct replacement part.Jun 6, 2015