Concrete masonry unit molded from cast concrete for load-bearing and partition work. Units of this size are laid in running bond with mortar joints to build up walls, backup wythes and foundation stems, with the finished wall thickness set by the block's width.

Concrete block is dimensionally stable, noncombustible and resistant to insects and rot, which is why it is used for below-grade stem walls, fire separations and interior partitions in commercial and residential construction. Cores can be filled with grout and reinforcing steel where a stiffer, heavier wall is needed, or left open to reduce weight.

The gray face takes parging, stucco, direct-applied thin masonry veneer or furring and drywall, so the same unit serves as both structure and substrate.

Key Features

• Cast concrete masonry unit with a uniform gray finish
• Molded to consistent dimensions so units coursed with standard mortar joints line up predictably
• Noncombustible and not subject to rot, warping or insect damage
• Cores allow grout and vertical reinforcing where specified by the wall design
• Accepts parge coat, stucco, veneer adhesive or mechanically fastened furring
• Can be cut and scored with a masonry blade to fit openings and closures
• Sold as individual units for ordering to the coursing count of the job

Applications

• Interior partition and demising walls
• Foundation stem walls and below-grade backup
• Masonry backup wythe behind brick or stone veneer
• Elevator shafts, stairwells and fire separations
• Retaining and garden walls
• Chimney and mechanical chase enclosures
• Filling and patching existing masonry openings

Product Details

• Type: Concrete masonry unit (block)
• Material: Concrete
• Nominal Size: 4 in. x 8 in. x 18 in.
• Unit Weight: 29.25 lb
• Color: Natural gray
• Sold By: Each

Specifications

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