1 Higher end doors that are taller than 12 feet can cost upwards of $3,000. 2  To have a contractor install the sliding door, the installation prices alone can cost anywhere from $500 to $1,500. Another factor that is needed to be considered for the price of the item is the quality of the door as well as the thickness of the glass. 2  Sliding doors consist of several parts that need to be installed in the house. 3  On average, plan on spending anywhere from $500 to as much as $3,000 for the door itself.
provision. An article, clause, or stipulation in an agreement, contract, deed, instrument, or statute that explains a specific condition, effect, implication, qualification, or requirement. See also proviso.
One of the most frequently found clauses in U.S. commercial agreements is an anti-assignment provision that prevents either or both of the parties from assigning the agreement to a third party prior to receiving the consent of the non-assigning party.