Classification Information
Ceramic roofing tiles; Glass roofing tiles; Non-metal roof coverings; Non-metal roofing; Non-metal roofing hips; Non-metal roofing panels; Non-metal roofing tiles; Roofing slates; Stone roofing tiles; Tiles of ceramic for wall, floor or ceiling; Tiles of clay, glass, gypsum, ceramic or earthenware
Nonmetallic Building Materials