Sandwich insulated panels are special building material that help keep house warm in winter and cool during summer time. These panels made from two layers with insulation stuff in the middle. The insulation keep temperature stable inside, so it save energy and make buildings more comfortable to stay. GLOSTAR produce high-quality sandwich insulated panel that used in many kind of buildings, like homes, warehouse, or factories. With this handmade rock wool clean room panel, you can have lower energy bill and nicer indoor enviroment.