Walk-in caterpillar tunnels made from galvanized steel tubing, quick to put up, easy to move, and configured to your farm. Choose the peaked Gothic or the lighter, portable Round, Choose the peaked Gothic or the Round, then pick your spacing and end walls.
Both share a steel ridge purlin, cross connectors, and ground posts. The difference is the hoop: a peaked profile, or a round profile that's lighter and easier to move.
A peaked roof profile, A peaked roof profile, designed for harsh weather. The gothic shape sheds snow effectively.
A rounded quonset profile, lighter than the Gothic, quick to put up, and built to be relocated to next season's beds.
Every frame ships kitted: cut, drilled, and ready to build.
Drive 3′ or 4′ ground posts on your bow spacing: 4′ or 5′ on center.
Slip Gothic or Round hoops over the posts and tie them with the ridge purlin and cross connectors.
Add roll-up sides, wind ropes, or the options your plan calls for. We'll help you spec it.
Pull the poly covering, lock the end bows with wirelock, and finish with steel or wooden end walls.
Both configure from the same option set. Everything below configures on the product page. These are the starting points.
| Specification | Gothic | Round |
|---|---|---|
| Roof profile | Peaked (gothic) | Round (quonset) |
| Width | 16.5′ | 16.5′ |
| Hoop | Galvanized steel | Galvanized steel |
| Ridge purlin | Steel purlin, cross connectors | Steel purlin, cross connectors |
| Bow spacing | 4′ or 5′ on center | 4′ or 5′ on center |
| Ground posts | 3′ or 4′ | 3′ or 4′ |
Many growers fund season-extension structures through USDA-NRCS cost-share under Conservation Practice Standard 325. CPS 325 is written around fixed, anchored high tunnel structures, so a caterpillar tunnel may not qualify. Check with your local NRCS office. If NRCS funding is the goal, our high tunnel line is the more direct path.
Pick Gothic or Round, set your length, spacing, and options, and get an estimate.
(860) 341-8707 · info@ctgreenhouse.com
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