ASTM D8463/D8463M
Standard Specification for High Solids Content, Cold Liquid-Applied Elastomeric, Silyl-Terminated Polymer Based Waterproofing Membrane for Use with Separate Wearing Course
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About This Item
ASTM D8463/D8463M is the ASTM standard specification for a high solids content, cold liquid-applied elastomeric, silyl-terminated polymer based waterproofing membrane for use with a separate wearing course. It is intended to help define the material requirements and performance expectations for this type of membrane system, supporting more consistent product selection and specification. For owners, designers, and suppliers, this standard matters because it provides a technical reference for evaluating products intended for waterproofing applications where a wearing course is applied separately.
Overview of ASTM D8463/D8463M
This specification addresses a particular class of waterproofing membrane that is applied as a cold liquid and cures into an elastomeric layer based on silyl-terminated polymer chemistry. As an ASTM standard, it is used to organize requirements around the membrane itself rather than the finished assembly, with the separate wearing course considered part of the system context. ASTM D8463/D8463M is useful when comparing products, reviewing submittals, and aligning procurement language with a defined technical document.
Common use cases of ASTM D8463/D8463M
ASTM D8463/D8463M is commonly referenced when specifying waterproofing membranes for building or infrastructure assemblies that rely on a separate protective wearing layer. It may be used during product evaluation, submittal review, and quality control for cold-applied liquid membrane materials. The standard is also relevant when manufacturers, specifiers, and testing organizations need a shared basis for describing high solids, elastomeric, silyl-terminated polymer based waterproofing products in a consistent way.
Benefits of using ASTM D8463/D8463M
Using ASTM D8463/D8463M can improve consistency in specification writing and product comparison by giving all parties a common technical reference. It supports procurement decisions, helps reduce ambiguity in material descriptions, and may aid compliance review for projects that require a clearly defined waterproofing membrane specification. For quality control and product evaluation, the standard provides a practical benchmark that can help limit risk when selecting a cold liquid-applied membrane intended for use with a separate wearing course.
- High solids content membrane specification
- Cold liquid-applied elastomeric system
- Silyl-terminated polymer based material
- Separate wearing course application
- Useful for specification, testing, and review
- Publication Date: 2023-11-01
- Publisher: ASTM
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