3259: Structural Clay Products, Not Elsewhere Classified

Establishments primarily engaged in manufacturing clay sewer pipe and structural clay products, not elsewhere classified.

• Adobe brick
• Architectural terra cotta
• Blocks, segment: clay
• Chimney pipe and tops, clay
• Conduit, vitrified clay
• Coping, wall: clay
• Drain tile, clay
• Liner brick and plates, for lining sewers, tanks, etc.: vitrified clay
• Lining, stove and flue: clay
• Roofing tile, clay
• Sewer pipe and fittings, clay
• Thimbles, chimney: clay
• Tile, filter underdrain: clay
• Tile, sewer: clay