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
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry
Split-Face Concrete Masonry

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.

Common Shapes and Sizes

Items marked with are made-to-order.

Veneer Units

4x8x16 Split-1-side (Solid)
4x8x16 Split-1-side (Solid)★
3x8x16 Split-1-side (Solid)
3x8x16 Split-1-side (Solid)★
4x4x16 Split-1-side (Solid)
4x4x16 Split-1-side (Solid)★

Split-Face 6″ Wide

8″ High

6x8x16 Bond Beam Split-1-sideSplit-2-sides.
6x8x16 Bond Beam Split-1-sideSplit-2-sides. ★
6x8x16 Standard Split-1-sideSplit-2-sides
6x8x16 Standard Split-1-sideSplit-2-sides.★

Split-Face Block 8″ Wide

4″ High

8x4x16 Bond Beam Split-1-side Split-2-sides
8x4x16 Bond Beam Split-1-side Split-2-sides.★
8x4x8 Half Split-1-side Split-2-sides
8x4x8 Half Split-1-side Split-2-sides.★
x4x16 Standard Split-1-side Split-2-sides
x4x16 Standard Split-1-side Split-2-sides.★
8x4x8 Half Split-1-side-1-end
8x4x8 Half Split-1-side-1-end.★
8x4x16 Standard Split-1-side-1-end Split-2-side-1-end
8x4x16 Standard Split-1-side-1-end Split-2-side-1-end.★

8″ High

8x8x16 Double Open-end Bond Beam Split-1-Side
8x8x16 Double Open-end Bond Beam Split-1-Side. ★
8x8x16 Single Open-end Bond Beam Split-1-Side
8x8x16 Single Open-end Bond Beam Split-1-Side
8x8x8 Half Split-1-side
8x8x8 Half Split-1-side
8x8x16 Standard Split-1-side Split-2-side
8x8x16 Standard Split-1-side Split-2-side.★
8x8x16 Open End Split-1-side
8x8x16 Open End Split-1-side
8x8x8 Half Split-1-side-1-end Split-1-side-2-end
8x8x8 Half Split-1-side-1-end Split-1-side-2-end
8x8x16 Standard Split-1-side-1-end Split-2-side-1-end
8x8x16 Standard Split-1-side-1-end Split-2-side-1-end

12 ” High

8x12x16 Bond Beam Split-1-side
8x12x16 Bond Beam Split-1-side. ★
8x12x16 Standard Split-1-side
8x12x16 Standard Split-1-side. ★

Split-Face Block 12″ Wide

8″ High

12x8x16 Bond Beam Split-1-side Split-2-sides
12x8x16 Bond Beam Split-1-side Split-2-sides. ★
12x8x8 Half Split-1-side
12x8x8 Half Split-1-side
12x8x16 Standard Split-1-side Split-2-sides and Split-1-side
12x8x16 Standard Split-1-side Split-2-sides and Split-1-side. ★

Split-Face Block Design Units

8″ High

8x8x16 Fluted Split-1-side-1-end
8x8x16 Fluted Split-1-side-1-end. ★
8x8x16 Fluted Split Split-1-side
8x8x16 Fluted Split Split-1-side. ★
8x8x16 4-Deep Score Split-1-side
8x8x16 4-Deep Score Split-1-side. ★
8x8x16 4-Deep Score Split-1-side-1-end
8x8x16 4-Deep Score Split-1-side-1-end. ★
8x8x16 Half-Score Split-1-side
8x8x16 Half-Score Split-1-side. ★
8x8x16 Half Score S/F 1 side, 1 end
8x8x16 Half Score S/F 1 side, 1 end. ★
8x8x16 8 Rib Split S/F 1 side
8x8x16 8 Rib Split S/F 1 side. ★

Split-Block Block Accessory Units

12x8x16 Split-1-side sill block w/ cores of an 8″ block
12x8x16 Split-1-side sill block w/ cores of an 8″ block. ★
8x3x8 Split Cap Split-top & 1-Edge Split-Top & 2-edges
8x3x8 Split Cap Split-top & 1-Edge Split-Top & 2-edges
16x8x16 ColumnSplit-1-side Split-2-sides
16x8x16 ColumnSplit-1-side Split-2-sides. ★
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Our staff of masonry and landscape experts is standing by to assist you with any questions you may have or provide you with estimate for your next project.

Air Vol Block

(805) 543-1314

1 Suburban Road
San Luis Obispo, CA 93401


Business Hours

M-F 7:00 AM to 5:00 PM
Sat: 9:00 AM to 1:30 PM