14ft Wide Polytunnels

The 14ft polytunnel is the largest domestic polytunnel system provided by First Tunnels and is ideal for large gardens and allotments. The guides below will walk you through each step of constructing your 14ft polytunnel, whether you choose a Base Rail or Trenching solution. Download the easy-to-follow PDFs below and feel free to contact our helpful construction team with any queries about your project here.


In order to view and print a PDF document, you will need to download the free PDF viewer from the Adobe website. Most computers come with the free Adobe Reader ® software as standard.

They're called QR codes, and we're using them to give you easy access to our construction videos...

Using the latest QR code* technology we have updated all our construction guides to give you instant access to all our construction videos.


No typing, no searching for the right video, just a simple scan (1) of the code with your smart phone and you’ll be instantly connected to that construction video (2). Perfect for when you’re outdoors and could do with the reassurance of seeing what you’ve got to do next.