Spec-Block is available nationally
in a full array of fittings and sizes.

Get predictable quality and consistency for your gray blocl requirements nationwide. Spec-Block is a gray concrete masonry unit available in standard dimensions and a variety of fittings.

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The Concrete Products Group LLC (CPG) consists of regional market leaders in the concrete products industry. The CPG is organized to provide consistent, top-quality products to regional and national customers.


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