Founded in 1939, York Building Products is one of the nation’s largest producers of concrete masonry units; manufacturing standard gray block, colored architectural block and brick in a variety of textures and sizes, sound control units, lintels, cleanroom units and insulated units. York also manufactures structural retaining walls, residential land¬scape walls and colored mortars. With seven plants in Pennsylvania and Maryland, York distributes their products throughout the eastern USA.

• See also:
• Masterformat 2004
• 04 00 00 - MASONRY
• 04 22 00 - Concrete Unit Masonry
• 04 22 23 - Architectural Concrete Unit Masonry
• 04 28 00 - Concrete Form Masonry Units
• 33 46 00 - Subdrainage