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nSPB and SPB sandwich panels with WEE core consist of mineral wool insulating core bonded between two colour-coated steel sheets. These sandwich panels are used for structural purposes for external or internal walls. Sandwich panels with this core type are available in thicknesses ranging from 150 to 230 mm. This EPD applies to a nSPB or SPB panel with 170 mm thick WEE mineral wool core. Our selection of sandwich panels also includes Energy panels with extremely low air leakage rates. The term Energy refers to airtight energy efficient panel structures that is guaranteed by joint tightness and special tolerances in production. We also offer Patina sandwich panels that have an external facing made of natural and untreated Cor-Ten® steel.