ASTM D450/D450M
Standard Specification for Coal-Tar Pitch Used in Roofing, Dampproofing, and Waterproofing
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About This Item
ASTM D450/D450M is the ASTM standard that defines requirements for coal-tar pitch used in roofing, dampproofing, and waterproofing applications. It is relevant for buyers, specifiers, and quality teams that need a clear technical reference for this material in building envelope work. By setting an agreed specification, the standard helps support consistent product evaluation, procurement decisions, and compliance checks for projects where coal-tar pitch is selected for protective construction uses.
ASTM D450/D450M standard overview
ASTM D450/D450M, Standard Specification for Coal-Tar Pitch Used in Roofing, Dampproofing, and Waterproofing, provides the technical basis for identifying and specifying this material in construction-related applications. The standard is typically used to help define acceptable properties and requirements so that coal-tar pitch can be assessed in a consistent way. For organizations working with roofing or moisture-protection materials, it serves as a practical reference for product conformity, specification writing, and quality control.
Where is ASTM D450/D450M used?
This standard is commonly used in projects and supply chains involving coal-tar pitch intended for roofing, dampproofing, and waterproofing. It may be referenced by manufacturers, distributors, inspectors, and contractors when selecting material for protective building assemblies. ASTM D450/D450M is especially useful where a written specification is needed to support material acceptance, submittals, or procurement documents tied to moisture-resistant construction work. It helps keep product selection aligned with the intended application.
Practical importance of ASTM D450/D450M
ASTM D450/D450M matters because it gives a shared specification for a material that can affect durability and moisture protection in building systems. Using the standard can reduce uncertainty during purchasing, testing, and project review by providing a common technical benchmark. It also supports more consistent quality control and product comparison, which is important when evaluating materials for roofing or waterproofing use. For specifiers and reviewers, it offers a clear reference point for compliance decisions.
- Coal-tar pitch specification
- Roofing and damp-proofing use
- Waterproofing material reference
- Quality and compliance support
- Procurement and submittal review
- Publication Date: 2024-07-04
- Publisher: ASTM
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