Concrete Siding Material, Outdoor, Grass, Large Pools, Tubs, Shower, Back Yard, Swimming Pools, Tubs, Shower, Concrete Fences, Wall, and Concrete Patio, Porch, Deck Gregory and Caryn Katz are dwarfed beneath the cantilevered concrete overhang, which houses the bedroom on the upper level. The stackable glass doors that run beneath allow the house to open completely to the yard and swimming pool, soften the severity of the concrete, and blur the boundary between indoors and out.  Photo 6 of 11 in 10 Works of Architecture That Reveal the Acrobatic Wonders of Concrete from Katz's Cradle

10 Works of Architecture That Reveal the Acrobatic Wonders of Concrete

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South African architect Gregory Katz  designed his own home out of concrete with a cantilevered upper floor that looms over the deck area below. The holes in the precast-concrete panels were poured as anchor holes so that each piece could be lifted into place and installed with anchors, but left exposed in order to create a subtle pattern on the exterior.