... PVDF color lasts 15 years 4.SGS,CE, ISO9 one-side no broken fireproof panel/aluminum siding Detailed Product Description 1 ... ) Well weather-resistance, high rigidity, easy for maintenance, only neutral cleanser and water needed for its self-clean performance ... coated aluminum alloy panel as the cover plate, produced with advanced technology, has excellent fire resistence, reaching GB8624 grade ...