Casa em Cunha / Arquipélago Arquitetos. Photo © Federico Cairoli
Ancestral, but overshadowed by other technologies that have emerged over time, the rammed-earth walls are again gaining prominence in Brazil for being a low-impact, sustainable and economical solution. Known in Portuguese as taipa, it is a rudimentary construction system that compresses the earth into wooden boxes until it reaches an ideal density that allows a resistant and long-lasting structure.