The Bolt-A-Blok System

Bolt-A-Blok is a mortarless concrete block wall system that streamlines construction.

Stronger Structures

Simpler System

Bolt-A-Blok’s patented mortarless technology uses blocks, bars, and bolts to make stronger structures possible — and simpler. The system saves time, reduces construction costs, and eliminates weather-related delays.

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Blocks

Patented concrete blocks meet stringent testing standards. Six different block types are available for footers, walls, and corners.

Footer Block

The unit has three hollow cores and three recesses to embed footer bars.

Line Block

The unit has three hollow cores, a half core on each end, and a bar groove at the top of the block.

Corner Block

The unit has three hollow cores, one flush end, one half core end, and a bar groove at the top.

Pilaster Block

The unit has three hollow cores, two flush ends, and a bar groove at the top.

Bars

A588 weathering steel bars connect blocks together. Bars are pre-drilled and come in various lengths.

Triple Bar 45"

Most efficient bar, spanning 3 blocks.

Double Bar 29"

Used near doors, corners, and openings, and to ensure correct vertical placement of bar gaps.

Single Bar 13"

Used near doors, corners, and openings.

Half Bar 5"

Used near doors, corners, and openings.

Footer Bar

Placed in the bottom of the footer bar to allow for attachment of the footer block to the line blocks.

Link Bar

Used to span cut blocks and to link two parallel walls together.

Triple Anchor Bar 45"

Used to fasten line blocks to concrete when not using a footer block. A hole placed in the center for mounting the first course of Bolt-A-Blok blocks.

Double Anchor Bar 29"

Used to fasten line blocks to concrete when not using a footer block. A hole placed in the center for mounting the first course of Bolt-A-Blok blocks.

Single Anchor Bar 13"

Used to fasten line blocks to concrete when not using a footer block. A hole placed in the center for mounting the first course of Bolt-A-Blok blocks.