ASTM C990/C990M is the ASTM standard specification for joints for concrete pipe, manholes, and precast box sections using preformed flexible joint sealants. It provides a technical basis for evaluating joint materials and their intended use in concrete utility structures where reliable sealing matters. For buyers, specifiers, and quality teams, this standard helps align product selection with defined requirements for joint applications, supporting consistency and reducing uncertainty in procurement and project compliance.

What is ASTM C990/C990M?

ASTM C990/C990M is a product-focused specification centered on preformed flexible joint sealants used in joints for concrete pipe, manholes, and precast box sections. The standard gives a common reference for materials intended to help seal these joints in concrete infrastructure assemblies. In practice, it is used to compare products against a recognized ASTM document and to support specification language, submittals, and quality control expectations tied to joint sealing applications.

Where is ASTM C990/C990M used?

This standard is commonly used in the context of concrete pipe systems, manhole assemblies, and precast box sections where joint sealing is part of the installation or fabrication process. It is relevant to manufacturers, distributors, engineers, and contractors working with preformed flexible sealants for concrete utility components. ASTM C990/C990M is especially useful when projects need a clear reference for selecting and documenting joint sealant products for these precast concrete applications.

Why is ASTM C990/C990M important?

ASTM C990/C990M matters because it supports consistent product evaluation and specification of joint sealants used in concrete pipe, manholes, and precast box sections. Using a recognized ASTM standard can improve procurement clarity, help with compliance documentation, and reduce the risk of mismatched materials in the field. For engineering and quality control teams, it provides a dependable benchmark when reviewing products intended for flexible joint sealing applications.

• Preformed flexible joint sealants
• Concrete pipe and manhole joints
• Precast box section applications
• Specification and submittal reference
• Quality control and product evaluation