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Concrete fencing — boards and posts

How to calculate board modules, posts, layer height, weight and installation access without replacing design work.

Check installation access

Use the calculator as a preliminary take-off, then confirm dimensions, system rules, ground conditions and local requirements before ordering.

How to use this page

  1. Record lengths and openings as separate runs.
  2. Enter the actual system module and prices instead of trusting a preset.
  3. Compare the result with the manufacturer manual and the site survey.

Control example

For a 20 m run with a 4 m opening, the net fence length is 16 m. With a 2.5 m module, seven bays are needed, but the final bay has a different width; redistribute the modules or plan a cut.

What the result does not cover

The calculator does not confirm boundaries, ground bearing capacity, wind loads, buried services, gate foundations or product-specific requirements. The result is a preliminary take-off.

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