ASTM C936/C936M-21 PDF Download

The ASTM C936/C936M-21 standard provides guidelines for the production of interlocking concrete pavers used in the construction of paved surfaces. These pavers are made from cementitious materials, aggregates, chemical admixtures, and other constituents. The standard covers various aspects, including physical requirements, sampling and testing procedures, visual inspection, and the rejection of specimens.

The specification emphasizes that the concrete units can be manufactured using lightweight or normal weight aggregates, or a combination of both. It also notes that if specific properties are desired, such as weight classification, higher compressive strength, surface textures, finish, color, or other special features, the purchaser should specify these to ensure the availability of units with those desired features.