The seller discloses: If the port is to be used mainly as an entrance to a sales area (e.g. for a warehouse or farm) and not for high safety or heavy industry purposes, these specifications are generally sufficient. Specifications: * Width: 13 m * Height: 2,45 m * Weight: approx. 950 kg * Steel quality: Q235 * Outer frame: 80 × 80 × 3,0 mm * Surface treatment: heat delayed with a zinc coating of 275 g/m2 * Powder coating: 60-80 μm For a commercial entry into which customers and delivery cars enter and exit: * Q235 steel is suitable. * A zinc coating of 275 g/m2 combined with powder coating provides good corrosion protection. * An outer frame of 80 × 80 × 3,0 mm is normally sufficient if the port is properly designed and well supported. * A port weight of around 950 kg is reasonable for a 13 metre wide sliding port. The most important thing is that: * The gate has powerful wheels and a solid rail. * The poles and foundation are dimensioned to carry the port's weight. * The gate has enough braiding to prevent sailing and deformation over time.