On this exacting project, our¬†client requested that the treads on the central staircase be made from single pieces of slab travertine.¬†Half way up the staircase, an 8×8 landing complicated the installation. But, as seen in the photos below, Aspen’s talented craftsmen placed the fragile slabs perfectly, with no breakage, lining up the holes for a glass railing that was installed afterward.