Use this 3-part specification to specify cast stone units that resemble natural stone but are fabricated off site of concrete materials, then installed on site in a manner similar to natural limestone. Typical products include columns, sills, keystones, and corner and opening trim.
This section also includes flashings, weeps, mortar dropping control, and other accessories required for installation.
For assistance in selecting and detailing cast stone refer to the CastStone Institute’s Technical Resources at (link).
Definition of Cast Stone
Defined as “a refined architectural concrete building unit manufactured to simulate natural cut stone, used in unit masonry applications as per ASTM C1364.” It’s a masonry product, used as an architectural feature, trim, ornament or facing for buildings or other structures.
Manufactured from white and/or grey cements, manufactured or natural sands, carefully selected crushed stone or well-graded natural gravels and mineral coloring pigments. To achieve the desired color and appearance while maintaining durable physical properties which exceed most natural cut building stones.
Excellent replacement for natural cut limestone, brownstone, sandstone, bluestone, granite, slate, keystone, travertine, and other natural building stones.