Important people and events often are captured in photos that are preserved long after the people themselves are gone, allowing later generations to experience history. Photography is a well-established medium for preserving family and cultural histories as well.
A sliding glass door. A sliding glass door or patio door, is a type of sliding door in architecture and construction, is a large glass window opening in a structure that provide door access from a room to the outdoors, fresh air, and copious natural light. A sliding glass door is usually considered a single unit consisting of two panel sections, one being fixed and one a being mobile to slide open. Another design, a wall sized glass pocket door has one or more panels movable and sliding into wall pockets, completely disappearing for a 'wide open' indoor-outdoor room experience.
1 They are made from panes of glass with an aluminum, wood or vinyl frame. 2  A sliding glass door costs around $500 to $2,000. 3  Exterior French doors, similar to sliding glass doors in construction but designed to swing out. 4  Sold in pairs, they begin at around $1,000 and can cost up to $3,500 for high end French doors. A basic knob and lock set costs $50 to $100; designer exterior door hardware costs more. 2  Exterior door installation is a manageable DIY project. 3  However, an exterior door install for solid-wood doors, sliding glass doors or French doors can be quite complicated.