BS 8414-2:2020,Fire performance of external cladding systems - Part2:Test method for non-loadbearing external cladding systems fixed to, and supported by, a structural steel frame.You can download BS 8414-2:2020 pdf. This part of BS 8414 provides a test method for determining the fire performance characteristics of non-loadbearing external cladding systems when fixed to, and supported by, a structural steel frame and...