Polyurethane material is a mixture or the result of isolating rubber and plastic so that a dissolving material is obtained which has the advantages of being very friction resistant, wear resistant, resistant to several mild chemicals, stable in cold and hot temperatures. This polyurethane material is able to withstand heat and cold, so it is suitable to be applied for pipe installations. Polyurethane Boards sold by Harijaya Insulation Surabaya are lightweight like Styrophore, with flawless solid characteristics (denser than Rockwoll). This type of insulation material is widely used in various industrial applications.