ASTM C652 is the ASTM standard that addresses hollow brick made from clay or shale, providing a technical basis for describing and evaluating these masonry units. It matters because it helps clarify expected characteristics for product selection, procurement, and quality control in masonry applications. By defining a recognized specification for hollow masonry units made from clay or shale, ASTM C652 supports more consistent communication between manufacturers, specifiers, and purchasers.

What is ASTM C652?

ASTM C652, titled Standard Specification for Hollow Brick (Hollow Masonry Units Made From Clay or Shale), is a product specification for hollow masonry units produced from clay or shale. Its purpose is to give a common technical reference for how these units are identified and evaluated in practice. As an ASTM standard, it is typically used when comparing products, setting purchase requirements, or checking conformance to specified properties and quality expectations for hollow brick.

Where is ASTM C652 used?

This standard is commonly used in masonry product selection, specification writing, and manufacturing quality control for hollow brick made from clay or shale. It is relevant wherever these units are ordered, tested, or reviewed for compliance in building projects. ASTM C652 may also be used by suppliers, architects, engineers, and construction teams to align expectations before installation, helping ensure that the chosen masonry units match the intended project requirements.

Why is ASTM C652 important?

ASTM C652 is important because it helps create a clear, shared basis for product compliance and comparison. In procurement and review processes, a recognized specification reduces ambiguity and supports more consistent quality control. It can also help lower risk by making it easier to confirm that hollow brick products made from clay or shale meet the expected technical requirements. For buyers and specifiers, ASTM C652 supports more reliable evaluation and documentation.

• Hollow brick specification
• Clay or shale masonry units
• Product evaluation and compliance
• Quality control and procurement
• Technical reference for masonry materials