Overall, the structure of a metal and/or polyethylene (plastic) high tunnel is approved for certified organic practices. Concrete is allowed by most organic certifiers as well as electricity and other major infrastructure components of the tunnel. However, treated lumber is not allowed to come in contact with the soil according to NOP regulations. Many growers have come up with innovative materials to replace treated lumber for baseboards and endwalls. Below you will find some helpful information related to construction of a high tunnel for certified organic production.
Introduction High tunnels can be constructed from a variety of materials. Research materials thoroughly to make sure that the structure and covering best suit the budget for and purpose of the high tunnel. When possible, use materials with lowest environmental impact. Metal Pipe Metal pipe is the strongest and most durable framing material for rib…
Installation Video from Four Season Tools. Four Season Tools builds year-round organic vegetable farms. We’ve developed and offer efficient systems for small-scale food production. We offer farm consultation, season-extending movable greenhouses, and uniquely designed farm implements to increase you’re the flexibility and economic viability of your farm.
How to build a high tunnel! We put up this hoop house/high tunnel in one day with 5 people, here’s how. Time lapse photography and some fun music show the basics.