Rammed earth is almost as ancient as architecture itself. This construction technique compresses locally available natural raw materials like dirt, clay, chalk, lime, and gravel between flat panels called formwork to produce hard-packed bricks that stand the test of time. Many rammed earth structures still standing today, including the Great Wall of China and the Alhambra in Spain, were built over 1,000 years ago.
The local materials and formwork used give each rammed earth project its own unique look, and the result is just as attractive as it is low-cost and sustainable. The thick walls keep indoor spaces comfortable, even in the hottest, driest climates, and no finishing is needed inside or out.

The practice of building with rammed earth may have fallen out of favor in past decades, but a recent resurgence gives us new examples of what this material can really do. In Accra, Ghana, architecture firm Tzou Lubroth has created a stunning modern rammed earth residence and studio for an artist, incorporating natural ventilation, gallery spaces, a swimming pool, outdoor areas, and views of the sea. The rammed earth construction lends layered pastel red, pink and beige tones to the two-story live/work complex, making it look like just as much of a work of art as the client’s own creations. Louvered wooden shades complement the natural materials and let in plenty of fresh air. Arched doorways and clumps of desert plants root it in the visuals of its location, while a dram...