Every commercial type of JVP 4×4 panel is composed of a galvanised sheet capsule that wraps the panel’s inner core of FSC wood chipboard or gypsum fibreboard fully, through gluing and mechanical attachment. This makes them suitable for indoor use only with no direct continuous exposure to water or constant excessive humidity.
DX51D+Z100 sheet metal that is treated with Sendzimir hot-dip galvanisation is suitable only for indoor use with no direct continuous exposure to water or constant excessive humidity.