Architectural Block Kingston Block and Masonry Supply’s line of high-quality architectural concrete blocks conform to the Specification for Architectural Concrete Masonry Units (Tek Spec #1) published by the New York State Concrete Masonry Association and meet or exceed ASTM C-90 specifications. Products Ground Face Jewel Stone Cémento Brick Sound Cell Split Face Custom Designs Recent Projects Colors Products Select a Product to View ARCHITECTURAL BLOCK ---- Ground Face ---- Jewel Stone ---- Cemento Brick ---- Split Face ---- Sound Cell ---- Custom Block ---- Colors RETAINING WALL SYSTEMS ---- Omega Wall ---- Alpha Wall GREEN PRODUCTS "LEED" ---- Jewel Stone ---- Pozzotive™ CMU Block RECENT PROJECTS