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Last Updated: Nov 12, 2019
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ASTM C725-90(2014)
Standard Specification for Semidense Mineral Fiber Siding (Withdrawn 2019)
Standard Specification for Semidense Mineral Fiber Siding (Withdrawn 2019)
C0725-90R14
ASTM|C0725-90R14|en-US
Standard Specification for Semidense Mineral Fiber Siding (Withdrawn 2019)
Standard
C725 Standard Specification for Semidense Mineral Fiber Siding (Withdrawn 2019)>
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BOS Vol. 04.05 Committee C17
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Abstract
This specification covers semidense mineral fiber siding designed to provide protection for the weather-exposed sidewall surfaces of buildings. These sidings are nailable with or without prepunched holes. Fiber sidings shall be available in one of the following types: Type I (shingles); Type II (clapboards); and Type III (sheets). Products shall be sampled, tested, and conform accordingly to the following physical properties: flexural strength, deflection, water-absorption swelling, durability, density, color and finish, and nominal dimensions (width, length, and thickness).
Scope
1.1 This specification covers semidense mineral fiber siding (shingles, clapboards, and sheets) designed to provide protection for the weather-exposed sidewall surfaces of buildings. These sidings are nailable with or without prepunched holes.
1.2 The values stated in SI units are to be regarded as the standard. The values stated in parentheses are provided for information only.
1.3 Warning—Breathing of asbestos dust is hazardous. Asbestos and asbestos products present demonstrated health risks for users and for those with whom they come into contact. In addition to other precautions, when working with asbestos-cement products, minimize the dust that results. For information on the safe use of chrysoltile asbestos, refer to “Safe Use of Chrysotile Asbestos: A Manual on Preventive and Control Measures.”2
1.4 The following precautionary caveat pertains only to the test method portion, Section 9, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For a specific hazard warning, see .