1.1 This specification covers non-asbestos, fiber-cement shingles, shakes, and slates (roofing products) of nominally uniform thickness (non-tapered) and texture, including accessories designed to provide the weather-exposed surfaces on roofs of buildings.

1.2 This specification is not applicable to asbestos-cement roofing shingles (Specification C 222), non-asbestos fiber-cement roofing shakes, shingles, and slates with designed varying profiles and thicknesses (Specification C 1530), particle board (Terminology D 1554), or cement-bonded particleboards (Specification BS 5669: Part 4) and (ISO 8335).

1.3 This specification does not include details of product installation or installed system performance. Refer to the manufacturer's installation literature for proper installation instructions, to Specification C 1459 for roofing systems performance, and to Test Methods E 108 for levels of fire resistance.

1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses (SI units) are provided for information only.