The phrase "sculptural material" refers to any substance or material that can be used by an artist to create a sculpture or three-dimensional artwork. It can include materials like clay, stone, metal, wood, or even recycled objects. Full definition
LED lights, laser levels, light boxes and neon tubes serve as sculptural material for some artists, others record or recreate the light conditions of a particular place or moment. (elmhurstartmuseum.org)
This was reflected in his use of a wide range of sculptural materials such as bronze, stone, wood and cement. (visual-arts-cork.com)
His work is characterized by an immense formal repertoire, which since the 1980s has included transformations of everyday materials alongside traditional sculptural materials such as wood and brass. (artbook.com)