b'Acronem Consulting Australia Pty Ltd February 22, 2024 D ELTAP ANELSP TYL TDA TTN : M RJ OHNG UY731 B OUNDARYR OAD ,R ICHLANDS , Q UEENSLAND , 4077 A USTRALIA Thermal Performance of Delta Panels EPS-FR Core (SL grade) Roofing, External Wall & Internal Wall Applications Dear Mr Guy: Further to your request, I can confirm the thermal performance of: -Delta Panels EPS-FR Core (SL grade) insulated core panel, as described in the following test reports by an accredited testing laboratory.-CSIRO Report XC3945/R1(Rev C)Final Issue, Thermal Transmission Properties of 50MM EPS-FR BOARD (SL grade), 11-Dec-2023. -CSIRO Report XC3945/R2(Rev B)Final Issue, Thermal Transmission Properties of 200MM EPS-FR BOARD (SL grade), 11-Dec-2023. The Declared Material R-values of Delta Panels EPS-FR Core (SL grade) insulated core panel have been determined in accordance with AS/NZS 4859.1:2018 as: Table 1: EPS Declared Material R-value Declared Material R-value [(m 2 .K)/W] EPS (SL)Thickness5075100125150175200225 (mm) 0C1.301.852.503.103.704.354.955.60 Mean Temp (C)15C1.201.752.352.953.504.154.705.30 23C1.201.702.302.903.454.054.605.20 Summary tables of calculations of Total R-value of Delta Panels EPS-FR Core (SL grade) insulated core panel for; External Roof; External Wall; and, Internal Wall construction performed in accordance with AS/NZS 4859.1:2018 are provided below. In all cases the construction is assumed to consist of the panel.The contribution of R-value for the external and internal non-reflective air films have been added to the R-value contribution of the panel incorporating the effects of mean temperature for Australian conditions: -Heat flow out (Winter): Indoors 18C, outdoors 12C, mean 15C -Heat flow in (Summer): Indoors 24C, outdoors 36C, mean 30C Page 1 of 12024 Acronem Consulting Australia Pty Ltd. All rights reserved. Web: www.acronem.com.au Phone: 0437 407 176 Email: cameron@acronem.com.au'