We can help talk through your structure design, heights, gradients etc. Each package we sell requires bespoke advice so ensure you ask the experts to get the job done correctly. First time. You may not even need a structure if you have trees in a suitable location. Trees can be strong enough to act as one end of the zip wire line, and undoubtedly will save a fortune in construction materials and labour costs. Call us with the length of your ride, and any difference in land gradient.