The insulation in the attic was exposed because of leaking during the winter rains. The date of construction was about 1970 and the brand of the insulation is PREMIUM BRAND High Density BUILDING INSULATION. It is in large batts (cut to 3 or 4 feet in length and 3" thick) with an Indian Head Symbol on them. The actual material inside is dark grey or black in color and looks like cotton in consistency and texture. Do you or anyone reading this article know if this insulation is dangerous in anyway as it has been exposed by the rains.