The main purpose of thermal insulation is to preserve the internal environment of the building and prevent the overlapping of heat to maintain the coolness inside the building when the outside temperature is high and vice versa when the outside temperature is low, so it maintains the internal temperature of the building and thermal insulation reduces electricity consumption as it reduces periods Operating air conditioners and used in many construction applications, as it can be used in thermal insulation of ceilings, walls, structural joints, refrigerators and cold rooms.