How to build your Northern Polytunnel's Trenched-in Allotment Polytunnel

A detailed video showing the step by step guide on how to build one of our Hobby Polytunnels
CEO, Ian Wolfenden shows you how easy it is to build in this detailed video.
This is a trenched-in polytunnel
To buy, visit - northernpolytunnels.co.uk/hob...

[@cyberbid]

What is the measurement from the top rail to the top of the 2.4m upright? Can’t find it anywhere in the instructions.
In the end I dry fitted the timber over the door on a flat surface and I have sorted it, the measurement is around 21cm.

[@pennyarizzio2824]

Where can I buy this door in the United States?