Fluted & Prism CMU

A traditional, retro aesthetic. Available in a multitude of colors with a “natural” finish for maintenance-free applications.

Fluted & Prism CMU

Fluted and Prism CMU’s are available in a multitude of colors and exhibit a “natural” finish. They can be used for maintenance-free interior and/or exterior applications.

Variations of Fluted & Prism CMU

Rounded Fluted Block

Rounded vertical flutes for a softer, classic linear texture.

Prism Block

Angular vertical profiles creating distinctive shadow patterns on the wall surface.

View Color Selection

Shapes & Sizes

Split Face Blocks are available in various shapes and sizes, including half units, half high units, bond beams and lintels (where reinforcing is needed), corners (one face and one end split), and custom shapes upon request.

Nominal Size	Actual Size (WxHxL)	Weight
4x8x16	3⅝×7⅝×15⅝	26 lb
6x8x16	5⅝×7⅝×15⅝	33 lb
8x8x16	7⅝×7⅝×15⅝	38 lb
10x8x16	9⅝×7⅝×15⅝	43 lb
12x8x16	11⅝×7⅝×15⅝	53 lb

Available Options

Insulation Inserts

Hi-R & Hi-R-H insulated units for energy code compliance and thermal performance. All architectural finishes are available with factory-installed Korfil insulation inserts, delivering tested R-Values up to R-18.

Learn about Insulated CMU

CarbonX Low Carbon Option

All architectural finishes are available with CarbonX technology, which lowers embodied carbon by reducing cement content and increasing CO₂ sequestration — by up to 50%, depending on the product.

Learn about CarbonX