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 .
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.our 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.