ASTM C1715/C1715M is the ASTM standard for evaluating the water leakage performance of masonry wall drainage systems. It provides a technical basis for assessing how well a drainage system in a masonry wall resists water intrusion under test conditions. This matters for designers, manufacturers, and specifiers who need a consistent way to compare performance, support product selection, and reduce uncertainty when moisture management is a critical part of wall design.

ASTM C1715/C1715M standard overview

The ASTM C1715/C1715M standard focuses on a test method for water leakage performance in masonry wall drainage systems. Its purpose is to help determine how the system responds when exposed to water, using a controlled evaluation approach that supports repeatable results. As an ASTM standard, it is intended to provide a common technical reference for product assessment, quality control, and compliance-related review. The designation includes both inch-pound and SI units, making it useful across projects that specify either measurement system.

Where is ASTM C1715/C1715M used?

This standard is commonly used in masonry wall applications where drainage performance and water management are important design considerations. It may be referenced by manufacturers developing drainage components, laboratories performing performance tests, and specifiers reviewing masonry wall system documentation. ASTM C1715/C1715M is also relevant in product qualification workflows for wall assemblies that rely on drainage paths to help manage water leakage risk. It supports a structured approach to evaluating performance before materials are selected for a project.

Practical importance of ASTM C1715/C1715M

ASTM C1715/C1715M helps bring consistency to water leakage evaluation, which is valuable when comparing products or verifying that a masonry wall drainage system performs as intended. For procurement and technical review, it provides a clear testing reference that can support informed decisions and reduce ambiguity. In practice, this can improve quality control, strengthen documentation, and help identify systems that better address moisture-related concerns. Using ASTM C1715/C1715M can also support more reliable communication between suppliers, test labs, and project teams.

• Water leakage performance testing
• Masonry wall drainage systems
• Controlled product evaluation
• Quality control reference
• Inch-pound and SI units