Auditorium three-element magnetic marker-chalk boards

Three-element board is three single-element boards fastened together by metal hinges, two on each side. The central board is made with the possibility of fixing it to the wall, the other two are located on the left and right and have the possibility of opening and closing. The central board is a galvanised sheet up to 0.35mm thick with a green or white polymer coating glued on a 6mm MDF base. The reverse side of the board is protected with 40 mcr technical foil. The side flaps are a sheet with the same characteristics glued on a 7 mm thick corrugated cardboard base on both sides. The edges of the boards are framed with a 2 mm thick anodised aluminium profile. The corners are fastened with a polypropylene plug. The set includes a tray for chalk and markers made of anodised aluminium, the ends of the tray are protected by polypropylene stoppers.