Soprema Xpress Board Sheet
A mineral wool fibre insulation panel made from basalt rock onto which a polyester reinforced SBS modified bitumen membrane is factory applied. The top surface of the membrane is either sanded or covered with a thermofusible plastic film. Xpress board is available in various thicknesses They can be mechanically fastened or bonded with hot bitumen.
Xpress Board allows you to realize 5 applications with a single product. Thermal and Vapour Barrier. Insulation and base sheet. Insulation overlay board and base sheet. Upstand board and base sheet flashing (mechanically fastened only). Recovery board and base sheet.