Steni colour facade panel is a fibreglass reinforced polymer composite panel, with a smooth surface of electron beam cured acrylic Steni nature facade panel with crushed stone aggregate surface Steni colour is 100 % weather and water resistant Steni colour is available in 40 standard colours, and in 3 different gloss levels; highgloss, halfmatt and matt Steni colour has 44 standard colours available in 3 different gloss levels: M, HM and HG