For a standard size stone (stone blocks from the Giza quarries) a stonemason needed about 4 to 5 hours with good tools. For a casing stone (from the Tura quarries) about 8-10 hours, for a corner stone probably more like 10-12 hours. To process the 500 stones daily about 300 stonemasons were needed and as much helpers.
It's possible to build a sliding barn door for the cost of the lumber, but there's still the expense of buying the track system ($100-$2,000, depending on weight capacity, materials, size and style). DoItYourself.com provides instructions for building a sliding barn door .
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.