77938587
Feb 18, 2010
Feb 14, 2012
Manufactured, rotary kiln expanded lightweight aggregate products composed of ceramic made from clay, namely, aggregates for structural concrete, aggregates for concrete masonry and other concrete products, aggregates for asphalt paving and asphalt surface treatments, aggregates for geotechnical fill, aggregates for horticulture and soil amendments, aggregates for green roof soil blends, and aggregates for use in the manufacture of construction materials and building products
Nonmetallic Building Materials