Building Block

Gray Block

For years, concrete block has been the anchor material chosen by professional contractors and knowledgeable homeowners. Whether for a new stadium or a basement foundation, concrete block is chosen for its strength, economy, and design flexibility.

Chimney Block

Amcon Chimney Blocks are made of special lightweight concrete designed to fit around modular clay chimney flues in high-heat fireplace applications. Available in Square (for 8”x8” flue) and Rectangle (for 8”x12” flue) with or without cutout. UNIT HEIGHT LENGTH WIDTH WEIGHT Square 7.62 in. 16.75 in. 16.75 in. 68 lb. Rectangle 7.62 in. 16.75 in. […]


AmStone Burnished Architectural Series offers a smooth face concrete masonry unit (CMU) by grinding down the surface to expose the natural beautify of the aggregate in the block. Available in structural or veneer options.


The full-face split of AmStone Splitface Architectural Series gives an upscale look to concrete masonry units (CMU) which gives an upscale look to CMUs which enhances the aesthetic appeal of any project without breaking the bank. Available in structural or veneer options.