C3 - global warming potential0.000198000000 kg CO2 eq.EPD NameStålbjelker C4 - global warming potential0.000051800000 kg CO2 eq.Name of verifier's organisationNorsus AS EPD registration numberNEPD-2969-1660-NO A4 - global warming potential0.019100000000 kg CO2 eq.D - global warming potential-0.092000000000 kg CO2 eq.