b'DeltaDualCore Panel Awning Systems B.6FDS Inputs Key input parameters for FDS modelling are given below in Table 5-2. Table 5-2 FDS key inputs Input ParameterValue Ambient air temperature20 C Radiative heat fraction from fire 30 % Convective heat fraction from fire70 % Mass extinction coefficient8,700m/kg (for flaming woods and plastics) Fuel typePolyurethane GM27Revision 1-1150'