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noncombustible |
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noncombustible 1. In building construction a material of which no part will ignite and burn when subjected to fire. 2. A building material having a structural base of noncombustible material, as defined above, with surfacing not over ? in. (0.32 cm) which has a flame-spread rating not higher than 50. 3. A material, other than those falling into the above two categories, which has a flame-spread rating not higher than 25 and which shows no evidence of continued progressive combustion. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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