PRANCE metalwork is a leading manufacturer of metal ceiling and facade systems.
What Building Codes Apply to ACM Cladding in High-Rise Structures?
High-rise ACM cladding must comply with multiple codes addressing fire performance, structural load resistance, and installation standards. In the United States, panels require ASTM E84 testing for surface flame spread and smoke development, with Class A ratings mandatory for buildings over 40 feet. The NFPA 285 standard governs combustible assemblies, ensuring that panel cores and joint systems prevent vertical fire spread. Wind-load calculations per ASCE 7 determine panel deflection limits and anchorage design to withstand hurricane or seismic forces. Internationally, EN 13501-1 classifications and BS 8414 tests validate facade fire performance for ACM in Europe and the UK. Installation must follow AAMA 509 for rainscreen attachment or ASTM E330 for curtain wall drive-by testing. Local jurisdictions may impose additional height-based requirements for panel core materials, specifying mineral-filled cores over polyethylene in certain zones. By rigorously adhering to these codes and leveraging tested ACM products, designers ensure that high-rise facades meet life-safety and structural integrity standards worldwide.