👉 Insulating, also known as heat insulation, is a method of increasing the thermal resistance of a material to retain heat. It helps prevent heat loss from a building or structure and allows it to retain warmth in winter and cool down during summer months. In the context of insulation, "insulate" refers to applying a layer of materials or fabric to a surface to reduce its temperature by trapping heat inside. The term "insulating" is often used interchangeably with "heat insulating." Insulation