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.
Expect to spend an average of $500 to install a standard six-foot wide, two-panel sliding glass door or patio door. However, industry estimates for this installation range from $350 to more than $1,200. You'll also need add the cost of the door itself to the installation price.ocation. Your specific geographic area will also impact the installation costs and the amount of carpentry work required. For example, the cost of purchasing and installing vinyl sliding doors in the Pacific Northwest is estimated to be $1,570, while the same project can be done in New England for about $1,650.