Translation of "geotextiles" into Portuguese

The lagoons will have an average depth of 3 m and will be sealed with 1,2-mm-thick synthetic sheeting and protected inside with geotextile felt.

A profundidade média será de 3 m. As bacias serão impermeabilizadas com uma camada sintética de 1,2 mm e protegidas no interior com geotêxtil;