Rockwool Safe’n’Sound insulation for wood studs and joists. It is a stone wool insulation product for use in interior wall partitions of residential wood and steel stud construction where superior fire resistance and acoustical performance are required. This non-combustible, lightweight product has excellent acoustical dampening properties and is dimensionally stable which makes it ideal for friction fit into walls, ceiling, and floor applications. The product is chemically inert; therefore it will not promote corrosion. Enjoy peace and quiet and peace of mind with Rockwool Safe’n’Sound. Rockwool delivers the sound absorption you want and the fire resistance you need, so you can sleep well, knowing that your house is safe and peaceful. Key properties: Easily cut, excellent sound absorbency, fire resistant due to its high melting temperature (approximately 1177 C (degrees Celsius)/2150 F (degrees Fahrenheit), does not rot or promote fungi or mildew growth, low moisture absorption, chemically inert, non-corrosive, water and moisture resistant, CFC (chlorofluorocarbon) and HCFC (hydrochlorofluorocarbon) free. Product and process made from natural and recycled materials. Rockwool can contribute to earning LEED (Leadership in Energy and Environmental Design) points.