These test methods cover sampling and testing of non-asbestos fiber-cement flat sheets, roofing shingles, siding shingles, and clapboards. These products may be smooth or surface textured. The following test methods shall be performed: acceptable quality level; flexural strength; density; dimensional measurements; moisture movement; water absorption; moisture content; water tightness; freeze/thaw for cladding products; warm water; heat/rain–wall structures; heat/rain–roof structures; and freeze/thaw–roofing products.

1.1 These test methods cover sampling and testing of fiber-cement flat sheets, roofing shingles, siding shingles, and clapboards. These products may be smooth or surface textured. These test methods are utilized in evaluating products cited in Specifications C1186, C1225, C1288, and C1325.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.