Up until the late 1970s, asbestos was added to various types of flooring materials and tiles during the manufacturing process to increase the strength and durability of the products. In fact, the Minnesota Department of Health warns that flooring, including sheet vinyl, vinyl or asphalt floor tiles and any associated paper-like backing, mastic, adhesive or glue, may contain asbestos. , , , , Virtually every school, building and home constructed decades ago when asbestos was commonly used will...