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 A larger door that measures eight feet or higher can cost $1,000 to $2,000. 2  Higher end doors that are taller than 12 feet can cost upwards of $3,000. 3  To have a contractor install the sliding door, the installation prices alone can cost anywhere from $500 to $1,500. You will be able to select the type of door frame as well as the type of glass that will be used for the door. 2  The price of the sliding glass doors sold for the bathroom usually ranges anywhere from $500 to $1,200.