ASTM D449/D449M
Standard Specification for Asphalt Used in Dampproofing and Waterproofing
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About This Item
ASTM D449/D449M is the ASTM standard focused on asphalt used in dampproofing and waterproofing. It provides a technical basis for identifying and evaluating this material for building protection applications where moisture resistance is important. For buyers, specifiers, and quality teams, the standard helps support more consistent product selection and procurement. ASTM D449/D449M is especially relevant when asphalt materials must align with a recognized specification rather than general product descriptions.
Purpose of ASTM D449/D449M
The purpose of ASTM D449/D449M is to define requirements for asphalt intended for dampproofing and waterproofing use. As an ASTM standard, it gives a common technical reference for the material’s expected characteristics and helps reduce ambiguity in purchasing and specification. The official standard title points to a focused application area, so the document is mainly useful when asphalt is being selected for moisture-control systems in construction. It supports clearer communication between suppliers, engineers, and inspectors.
Common use cases of ASTM D449/D449M
This standard is commonly used when asphalt materials are being specified for dampproofing or waterproofing applications in building construction. It may be referenced during product evaluation, submittal review, and material procurement to help confirm that the asphalt product matches the intended use. ASTM D449/D449M is also useful in quality control workflows where a recognized specification is needed to compare products consistently. Its practical role is to support material selection for moisture-protection assemblies.
Why ASTM D449/D449M matters
ASTM D449/D449M matters because it helps bring consistency to the selection and review of asphalt used for dampproofing and waterproofing. In practice, that can support better compliance with project specifications, more reliable purchasing decisions, and clearer testing or inspection expectations. When a material is tied to a recognized ASTM standard, it is easier to compare offerings from different suppliers and reduce risk in technical approval processes. That makes the standard useful for both specification and verification work.
- Asphalt specification for moisture-control applications
- Dampproofing and waterproofing material reference
- Useful for procurement and submittal review
- Supports consistency in quality control
- Helps align products with ASTM requirements
- Publication Date: 2021-01-06
- Publisher: ASTM
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