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 Shingles8212;Uniform thickness, generally rectangular in shape and having wavy, random, thatched, straight, or irregular butts.
1.1.2 Clapboards8212;Uniform thickness, generally longer and narrower in shape than siding shingles, and usually with the exposed edge straight.
1.1.3 Sheets8212;Uniform thickness, rectangular in shape, larger in unit sizes than shingles or clapboards.
Note 18212;For additional information, see Specification C 725
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 Warning8212;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 chrysotile asbestos, refer to “Safe Use of Chrysotile: A Manual on Preventive and Control Measures.”
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