Delta Panels Pty Ltd DeltaCool, DeltaSecrectFix, DeltaTrim at 100 mm and 75 mm Fire Performance Fire Engineering Assessment Project Number: 25367 Issue: 01 Date: 25 November 2025 Spectra Fire Engineers PO Box 351, Tugun QLD 4224 +61 406 948 019 dw@spectrafire.com.au spectrafire.com.au