Oldcastle 30168621 Concrete Block 4x8x16 Gray

Product Description

The OLDCASTLE 30168621 is a standard gray concrete block measuring 4 inches x 8 inches x 16 inches, designed for use in masonry construction and hardscape applications. Concrete masonry units of this type are installed by masonry contractors, landscapers, and experienced tradespeople for structural and decorative purposes. The block is sold as an individual unit with a minimum package quantity of 120 units per order. Its uniform dimensions make it straightforward to lay in consistent courses, and the gray finish blends with standard mortar and complementary masonry materials.

This concrete block is suited for a range of residential and commercial applications including patios, walkways, garden pathways, retaining walls, and landscape edging. Its modular 4 x 8 x 16 inch format is compatible with standard masonry layouts and typical CMU construction practices. The consistent sizing allows contractors and installers to plan courses efficiently with minimal cutting or adjustment in most applications.

Key Features

• Standard CMU dimensions: 4 inches x 8 inches x 16 inches for easy course planning
• Gray finish suitable for exposed hardscape and landscape applications
• Low maintenance once installed — no sealing or finishing required under normal use
• Suitable for patios, walkways, garden pathways, and similar flatwork or edging applications
• Sold by the unit; package quantity of 120 units per pallet

Compatibility

Designed as a standard CMU-format masonry block compatible with conventional mortar-set and dry-stack construction methods used in residential and commercial hardscape and landscape projects.

Installation Notes

Installation is typically performed by licensed masonry contractors or experienced landscapers. Before beginning, establish a level base of compacted gravel or sand appropriate to the application. Follow local building codes and manufacturer guidelines for mortar mix ratios and joint thickness when setting in a mortar application. For dry-stack applications, ensure adequate base compaction and verify local code requirements for wall height limits without mortar.

Technical Specifications

• Dimensions: 4 inches x 8 inches x 16 inches
• Color: Gray
• Weight: 3950 pounds (per pallet of 120 units)
• Package Quantity: 120 units per package
• Unit of Measure: EA

Standard Information

• Brand: OLDCASTLE
• Manufacturer Part Number: 30168621