A5 - global warming potential0.017712 kg CO2 eq.EPD NameRoof board made from planed timber of Spruce Name of verifierMartin Erlandsson C4 - global warming potential0.0 kg CO2 eq.C3 - global warming potential0.00783 kg CO2 eq.C1 - global warming potential0.001431 kg CO2 eq.Declared unitm2 EPD registration numberNEPD-3643-2588-EN D - global warming potential-1.1556 kg CO2 eq.A1-A3 - global warming potential0.50706 kg CO2 eq.Name of verifier's organisationIndependent verifier approved by EPD Norway A4 - global warming potential0.03537 kg CO2 eq.Production site(s) nameTunadal