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These SP2B, SP2D and SP2E sandwich panels consist of polyisocyanurate foam (PIR) insulating core bonded between two colour-coated steel sheets. The sandwich panels are used for structural purposes for external walls, internal walls and ceilings. SP2B, SP2D and SP2E sandwich panels with PIR core are available in thicknesses ranging from 40 to 200 mm. This EPD applies to SP2B, SP2D and SP2E panels with 140 mm thick PIR insulation 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.