Concrete Casita by Ravel Architecture board-formed concrete exterior and steel roof

A Concrete Casita in Austin Does Double Duty as Guesthouse and Gear Storage

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The clients were keen on energy efficiency. "We had actually helped them set up solar for their main house, and with the Casita, we also went above-and-beyond by creating a thermal break in the concrete," Finnell says. The slider is from Western Windows, and the other windows were custom-built with double-paned glass and steel frames for further temperature regulation.