ASTM D6222/D6222M
Standard Specification for Atactic Polypropylene (APP) Modified Bituminous Sheet Materials Using Polyester Reinforcements
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About This Item
ASTM D6222/D6222M is the ASTM standard for atactic polypropylene (APP) modified bituminous sheet materials using polyester reinforcements. It provides a technical reference for describing and comparing these sheet products in a consistent way, which helps support purchasing, specification writing, and product evaluation. By focusing on the material type, modifier, and reinforcement, the standard gives users a clearer basis for identifying sheets intended for bituminous roofing and related applications.
ASTM D6222/D6222M standard overview
The ASTM D6222/D6222M standard overview centers on a specification for APP modified bituminous sheet materials reinforced with polyester. As a product standard, it helps define the expected characteristics of these sheets so manufacturers, suppliers, and specifiers can use a common technical language. This is useful when comparing products, checking conformance, or preparing procurement documents. The standard title indicates a focus on material composition and reinforcement type rather than installation methods or full system design.
Where is ASTM D6222/D6222M used?
ASTM D6222/D6222M is commonly used in contexts where APP modified bituminous sheet materials are selected, documented, or verified for use in membrane-style applications. It is relevant to teams involved in roofing material specification, product qualification, quality assurance, and incoming inspection. Because the title identifies polyester reinforcement, the standard is especially useful when a buyer or engineer needs to distinguish among sheet material constructions and ensure the product matches the intended application and performance expectations.
Practical importance of ASTM D6222/D6222M
The practical value of ASTM D6222/D6222M lies in consistency and confidence during specification and procurement. A clear ASTM specification helps reduce ambiguity when comparing APP modified bituminous sheet materials from different sources. It can support quality control, product review, and contract documentation by giving all parties a shared reference point. For organizations working with these sheet materials, using ASTM D6222/D6222M may also help reduce selection errors and improve traceability in technical decisions.
- APP modified bituminous sheet materials
- Polyester reinforcement requirements
- Specification and procurement reference
- Product comparison and quality control
- Publication Date: 2023-02-24
- Publisher: ASTM
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