EPS 100-036 SUPER THERMAL Roof/Floor Styrofoam boards are used as thermal insulation for roofs and floors. EPS 100-036 SUPER THERMAL Roof/Floor Styrofoam boards are used as thermal insulation for roofs and floors. Thanks to their increased thermal conductivity, they are ideal for thermal insulation of floors with underfloor heating systems, among others. EPS 100-036 SUPER THERMAL Roof/Floor Styrofoam boards are available in dimensions of 500 x 1000mm. Standard thicknesses range from 20 to 300mm in 10mm increments. Larger boards are also available upon request, as well as milled boards from 50mm .