first class(noun) the highest rank in a classification. first class, 1st class, first-class mail, 1st-class mail(noun) mail that includes letters and postcards and packages sealed against inspection. first class(adj) the most expensive accommodations on a ship or train or plane.
A very basic sliding glass door, without professional installation, can cost $300 to $500, and this is the type of door most people think of when they hear the term sliding glass door â a six-foot pair of plain glass panels inside a simple frame. An eight-foot door can run $800 to $1,200 without professional installation.
Sliding glass door prices. You may purchase a sliding glass door for $400 to $700. This will buy you the standard 5 foot to 6 foot sliding glass door. It will be made of an aluminum frame and glass windows.An 8 foot door of similar construction will cost $950 to $1,200.A nine foot door will cost $1,000 to $1,200.liding glass door prices. You may purchase a sliding glass door for $400 to $700. This will buy you the standard 5 foot to 6 foot sliding glass door. It will be made of an aluminum frame and glass windows.