ASTM C1766/C1766M is the ASTM standard for factory-laminated gypsum panel products, providing a technical basis for describing and evaluating these manufactured panels. It helps define a consistent framework for product expectations, supporting clearer communication between producers, specifiers, buyers, and quality teams. As a specification, it is especially useful when comparing products, checking conformance, or documenting procurement requirements for laminated gypsum panel materials used in building applications.

Purpose of ASTM C1766/C1766M

The purpose of this standard is to establish requirements for factory-laminated gypsum panel products in a way that supports consistent manufacture and evaluation. ASTM C1766/C1766M is commonly used as a reference point for product definition, quality control, and compliance review. By setting a clear specification framework, it helps reduce ambiguity around what the panel product is intended to be and how it should be identified, supplied, and assessed in practice.

Common use cases of ASTM C1766/C1766M

This standard is commonly used when selecting, specifying, or purchasing factory-laminated gypsum panel products for interior building work. It may also support submittals, product comparison, and acceptance checks during construction or manufacturing workflows. ASTM C1766/C1766M is relevant anywhere laminated gypsum panels need a documented specification basis for consistency in supply, installation planning, or technical review.

Why ASTM C1766/C1766M matters

ASTM C1766/C1766M matters because it gives stakeholders a shared technical reference for an otherwise specific manufactured panel product. That helps improve procurement clarity, reduce product substitution risk, and support quality control during evaluation and delivery. For standards-based projects, using the correct ASTM standard can also simplify compliance documentation and make it easier to compare products on a like-for-like basis.

• Factory-laminated gypsum panel products
• Product specification and identification
• Quality control and compliance review
• Procurement and submittal support
• Consistent product evaluation