UltraBatt is a residential and light commercial insulation batt. It is engineered to provide thermal comfort, fire protection and sound control all in one product. In exterior walls, it conserves energy with an R-15 in 2x4 construction and R-23 in 2x6 walls. The product is made with 70 percent pre-consumer recycled content and is fire resistant to temperatures over 2,000 degrees Fahrenheit. Sound control is very desirable in interior walls, floors, ceilings and multi-family construction. The dense insulation is an exceptional sound insulation providing an STC rating of 30 in 2x4 wall assemblies, with a single layer of gypsum board on both sides.