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Since 1962

Manufacturers of Quality Masonry Products

Split-Face Concrete Masonry Units


Split-face blocks provide an attractive alternative to standard precision blocks. Their rugged texture reveals the natural aggregates used in their manufacture to create a visually appealing finish for any project. Split-face blocks are made by manufacturing two or more blocks joined together as one large unit. After a curing period, the units are put through a guillotine-like machine that utilizes four blades to split the units apart and expose their interior aggregates. The amount of visible aggregates will vary from block to block and from run to run. As they are mined from the earth, the aggregates used to manufacture these concrete masonry units are subject to natural color variations Because of these facts, it is important to order all split-face masonry units for a project at one time to ensure aggregate color uniformity.

  • Common Shapes and Sizes
  • Split-Face Block Design Units
  • Split-Face Block Accessory Units

Applicable Standards

The concrete masonry units manufactured by Air Vol Block, Inc. comply with the requirements of ASTM C-90 and section 21-4 of the Uniform Building Code. Air Vol Block maintains an inventory of medium weight split-face units. Lightweight and normal weight units are available as special-order items. For more information regarding the ASTM standards pertaining to concrete masonry units, please call our sales office.

Quality Assurance

Air Vol Block has on-site testing facilities in which we can test our products to ensure that they comply with the necessary specifications. Additionally, we participate in a testing program in which an independent laboratory randomly samples and tests our concrete masonry units.

Available Colors

Air Vol Block stocks medium weight split-face units in natural Gray and our stock Nutan color. A wide variety of custom colors may be special-ordered. Architects, please log-in to Architect’s Corner to view a large sampling of colors that can be manufactured. Please contact your Air Vol Block representative for more information regarding pricing of custom colors. The raw materials utilized in the manufacture of concrete masonry units are subject to natural variations in color which affect the color of the finished product. It is important that our customers understand that color can be guaranteed only to a range of color. Even natural Gray units, which are manufactured without pigments, may have noticeable shade variations from run to run.

Available Sizes

Air Vol Block maintains an inventory of 8 x 8 x 16 and 12 x 8 x 16 split-face units. Other sizes can be manufactured on a special-order basis. Note: Most split-face units are manufactured as single open-end units.

Mason Mix Mortar

Mason Mix Mortar

And for consistent quality and color, be sure to specify Mason Mix Mortar.

Common Shapes and Sizes
Veneer Units
4x8x16 Split-1-side (Solid)(Special Order) 3x8x16 Split-1-side (Solid)(Special Order) 4x4x16 Split-1-side (Solid)(Special Order)
Split-Face 6″ Wide
8″ High
6x8x16 Bond Beam Split-1-sideSplit-2-sides avail. by special-order 6x8x16 Standard Split-1-sideSplit-2-sides avail. by special-order
Split-Face Block 8″ Wide
4″ High
8x4x16 Bond Beam Split-1-sideSplit-2-sides (All Special-Order) 8x4x8 Half Split-1-sideSplit-2-sides (All Special-Order) 8x4x16 Standard Split-1-sideSplit-2-sides (All Special-Order)
8x4x8 Half Split-1-side-1-end (Special Order) 8x4x16 Standard Split-1-side-1-endSplit-2-side-1-end (All Special Order)
8″ High
8x8x16 Double Open-end Bond BeamSplit-1-Side (Special-Order) 8x8x16 Single Open-end Bond Beam Split-1-Side 8x8x8 Half Split-1-side 8x8x16 Standard Split-1-sideSplit-2-side (Special-Order)
8x8x16 Open End Split-1-side 8x8x8 Half Split-1-side-1-end Split-1-side-2-end 8x8x16 Standard Split-1-side-1-end Split-2-side-1-end
12 ” High
8x12x16 Bond Beam Split-1-side (Special-Order) 8x12x16 Standard Split-1-side (Special-Order)
Split-Face Block 12″ Wide
8″ High
12x8x16 Bond Beam Split-1-side Split-2-sides available by Special-Order 12x8x8 Half Split-1-side 12x8x16 Standard Split-1-side Split-2-sides and Split-1-side-1-e available as Special-Order
Split-Face Block Design Units
8″ High
8x8x16 Fluted Split-1-side-1-end (Special-Order) 8x8x16 Fluted Split Split-1-side (Special-Order) 8x8x16 4-Deep Score Split-1-side (Special-Order) 8x8x16 4-Deep Score Split-1-side-1-end (Special-Order)
8x8x16 Half-ScoreSplit-1-side (Special-Order) 8x8x16 Half Score S/F 1 side, 1 end (Special-Order) 8x8x16 8 Rib Split S/F 1 side (Special-Order)
Split-Block Block Accessory Units
12x8x16 Split-1-side sill block w/ cores of an 8″ block (Special-Order) 8x3x8 Split Cap Split-top & 1-Edge Split-Top & 2-edges 16x8x16 ColumnSplit-1-side Split-2-sides (Special-Order)
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