Base Rails are used in conjunction with anchor or base plates and are run around the entire Polytunnel framework. The polythene is then attached to the base rails and the height of the rail is adjusted to achieve a skin tight cover and a much easier option than re-trenching each time you replace a cover. If you would like to discover more about base rails or Polytunnels then why not contact us at www.FirstTunnels.co.uk or join our Facebook group at www.facebook.com/polytunnels
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