Orbis metal legetårn – tårn 4

Bearing posts have a diameter of 12 cm and are made of glue-laminated, round, wood, fixed 10 cm above the ground level with metal anchors. Antislip platforms. Roofs, security elements and panels are made of HDPE (high durable polyethylene) boards with pattern cuttings. Sliding surface is made of acid-proof, stainless steel sheet. Ropes made of polypropylene with a steel core, thickness 16-18 mm, vandalism and UV resistant. All fittings and connectors are weather and UV resistant. Wood elements are oiled or covered with a colour glaze. Steel elements are protected against corrosion by zinc primer and powder paint coating.