If you read the newspaper or watch the regular news, chances are you've heard active some of the dangers of asbestos. What is often ignored in these messages, however, is that asbestos also has a number of useful properties. If used responsibly and maintained in good condition, asbestos can be advantageous without causing harm. What is asbestos? The term refers to microscopic, naturally occurring fibrous silicate minerals. These minerals have been old for years by the construction industry. The three most common types of asbestos are chrysotile, amosite, and crocidolite. Asbestos is commonly used in insulation, fireproofing, roofing, flooring, and other building materials. The strength of the fibers and asbestos's resistance to heat make these materials precise useful.