Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM C79/C79M-04a
• Năm ban hành / Publication date: 2004
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Specification for Gypsum Sheathing Board (Withdrawn 2005)
• Số trang / Page: 3
• Phạm vi áp dụng / Scope of standard: 1.1 This specification covers gypsum sheathing with a water-resistant core, which is designed to be used as a sheathing on buildings.Note 1 - Specification C 1280 contains application procedures for gypsum sheathing board.1.2 The values stated in either inch-pound or SI (metric) units are to be regarded separately as the standard. Within the text, the SI units are shown in brackets. The values stated in each system shall be used independently of the other. Values from the two systems shall not be combined.