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 .
Residential Sliding Barn Door Hardware. Manufactured in Ohio using heavy duty forged steel hangers with brass bushings, our barn door hardware is made to last a lifetime. Available in powder coated Black and Nickel, the hardware kit is available in four different styles; Wagon Wheel, horseshoe, pulley and strap trolley.