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  • Writer's pictureKevin Maxwell

Commercial Building Exteriors: Split-face Block Concrete.


Commercial-Building-Exteriors-Split-face-Block-Concrete

Concrete stonework blocks with an architectural or harsh rock surface are called split-face blocks. The face of these blocks has an uneven, rough structure as if the surface area of the block had been hand-chiseled away. Actually, the block is commonly developed using a slurry of loosened accumulation that is poured into a block form that provides it with a hand-hewn appearance.


Split-face blocks are preferred because their setup uses the exact same principle as basic cinderblocks, yet their outside surface is extra cosmetically pleasing since it appears like natural stone. These pre-formed blocks permit a structure to be erected rapidly, and also they're typically one of the most cost-effective choices since the structure additionally works as the finished exterior.


Defects in Split-Face Blocks

Concrete block and stonework block wall surfaces have been a criterion in the construction of buildings for centuries. A stonework block wall has a treated, smooth surface. Generally, the coating is weather-tight. Although concrete blocks have some porosity and can soak up moisture, the smooth surface offers resilience. These walls are also quickly covered for included protection.


A split-face block, on the other hand, is extremely uneven and not smooth. Therefore, the surface is far more permeable than a stonework block having a treated, smooth finish. In addition, throughout construction, most split-face blocks are not properly described with flashings and drain planes. The outcome can result in dampness or water invasion, ultimately causing mold and mildew growth or endangering wooden structural elements.


Maintenance and Failing

Generally, stonework needs maintenance. However, split-face blocks need more maintenance than standard stonework because of their unfinished texture. Both main procedures for stopping dampness issues consist of using a sealant and remediating any flashing problems.



The Author Kevin Maxwell is the owner and operator of Maxwell Home Inspection Services, LLC. Kevin Maxwell is a certified Home Inspector in Albany, NY, who has performed over 6000 Inspections.


Phone: 1-800-598-4754

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