İNTERPLAST – The insulation is made of an elastic material with polyester (POLYESTER) coating. Lavsan protects the insulation from possible damage during installation, makes working with the material easy and enjoyable. On the polyester coating applied marking in 10 cm increments, facilitating the cutting of the material. The heat-reflecting substrate, as a rule, is necessary, since the film emits thermal energy in both directions evenly.