b'Fire assessment report R1.0 influence the reaction to fire performance of the specimen. Steel is inherently non-combustible and does not contribute to the fuel load or heat release rate during fire exposure in a negative way. Profile changes are for aesthetic purposes and do not alter the thermal or combustion characteristics of the system. Consequently, regardless of the profile, the steel skin continues to act as a barrier, ensuring that the mineral wool remains shielded and that the overall system exhibits limited contribution to fire growth. Based on the above, the proposed steel skin profiles are positively assessed.6.6Delta Trim-MW It is proposed to assess DeltaTrim panel based on the tested DeltaCool panel. The Delta Trim panel remains identical to tested Delta Trim except for the variation in the steel skin profile. The impact of steel skin profile variation was discussed in section 6.5 and concluded to not impact the reaction to fire performance. Based on the above, the proposed Delta Trim panel is positively assessed.6.7Assessment outcome This assessment demonstrates that the tested specimen with proposed variation is capable of achieving group number classification as listed in Table 7 in accordance with AS 5637.1:2015. Table 7 Assessment outcome Specimen ThicknessProfile Group number SMOGRA RC(in m 2 /s 2 1000) DeltaCool-MW+75 mm+Smooth1< 100 +100 mm+Ribbed +MicroRibbed +5V +Single V Delta Trim-MW100 mmRibbed Notes- +The panels must be fixed as tested in RTF252619 R1.0.+The panels are assessed as group number 1-S in accordance with C/VM2Verification Method: Framework for Fire Safety Design.Page 12 of 21 Copyright 2025 Jensen Hughes, Inc.All Rights Reserved. T1124 PAC'