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6x8x16 Gray Concrete Block

Orco Block

$ 1.79

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Item Number: 6816grhwor

General

A. Load bearing smooth face (light, medium, normal) weight concrete masonry units shall comply with ASTM C-90-96, UBC-21-4 (Type I or Type II). Provide required shapes such as corner, end units, radius bases, bond beams, lintels, etc. Provide units open one or both ends, as required. Maximum linear shrinkage shall be .065% from standard oven dry condition. Concrete masonry units shall have a minimum net compressive strength of 1900 psi.