ASTM D7492/D7492M
Standard Guide for Use of Drainage System Media with Waterproofing Systems
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- Language: English
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About This Item
ASTM D7492/D7492M is the ASTM standard guide for use of drainage system media with waterproofing systems, helping define how these materials may be selected and applied together in below-grade and protected assembly work. It provides a technical framework for evaluating drainage media as part of a waterproofing design, so projects can better address water management, compatibility, and overall system performance. For specifiers, contractors, and reviewers, the standard supports clearer decision-making and more consistent product use.
Overview of ASTM D7492/D7492M
The purpose of ASTM D7492/D7492M is to guide the use of drainage system media in combination with waterproofing systems, rather than to define a single product type. As a technical document, it is most relevant where drainage layers or media are incorporated to help move water away from waterproofed surfaces. This makes it useful for project teams that need a common reference for material selection, system planning, and coordination between waterproofing and drainage components.
Common use cases of ASTM D7492/D7492M
This standard is commonly used in construction and building-envelope work where waterproofing systems are paired with drainage media to manage moisture behind or around protected assemblies. It may support specification writing, submittal review, and product comparison for drainage layers used with membranes or similar waterproofing components. ASTM D7492/D7492M is also helpful during procurement and installation planning when a project needs a consistent guide for compatible system use.
Benefits of using ASTM D7492/D7492M
Using ASTM D7492/D7492M can improve consistency in how drainage media are evaluated and applied with waterproofing systems. It helps teams align on expectations for product selection, system integration, and quality control, which may reduce installation risk and performance uncertainty. For owners and engineers, the standard can also support more reliable procurement and clearer compliance references when comparing materials or reviewing proposed assemblies.
- Guidance for drainage media and waterproofing integration
- Support for specification and submittal review
- Helpful reference for compatible system selection
- Useful in quality control and product evaluation
- Publication Date: 2024-01-05
- Publisher: ASTM
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