17th May 2022 What were the CSIRO Fire Rating Results for Intrim Shadowline Skirting? When tested the specimen achieved an integrity performance of 85 minutes and insulation performance of 65 minutes. Intrim Shadowline MDF FR meets fire resistant AS1530.4-2014 standards it will achieve a FRL: -/60/60 Revision B from the CSIRO Short Form Assessment Report FCO-3351, dated 28 July 2021)