ASTM C223-98(2003)

1.1 This specification covers asbestos-cement siding, including accessories, designed to provide the weather-exposed sidewall surfaces of buildings. Siding in the following forms is covered:

1.1.1 Siding Shingles - Uniform thickness, generally rectangular in shape and having wavy, random, thatched, straight, or irregular butts.

1.1.2 Clapboards - Uniform thickness, generally longer and narrower in shape than siding shingles, and usually with the exposed edge straight.

1.1.3 Sheets - Uniform thickness, rectangular in shape, larger in unit sizes than shingles or clapboards.

Note 1 - For additional information, see Specification C 725 for Semidense Mineral Fiber Siding.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.