Insulating material is a substance used to reduce the transfer of heat, sound, or electricity. Common examples include fiberglass, foam, and mineral wool. These materials are essential in building construction, helping to maintain comfortable indoor temperatures and improve energy efficiency. In addition to thermal insulation, some materials also provide soundproofing and electrical insulation. For instance, rubber and plastic are often used to insulate electrical wires, preventing accidental shocks. Proper use of insulating materials can lead to significant energy savings and enhanced safety in various applications.