COMPARE · SIDE BY SIDE
Tunnel vs multi-span film
Two film houses, two different businesses.
| Poly tunnel | Multi-span film | |
|---|---|---|
| Capital per m² | Lowest | Higher, but still below glass |
| Working height | Low, limits tall crops and machinery | 3–5 m gutters, machinery and tall crops fit |
| Ventilation | Side curtains only | Roof vents plus side vents |
| Extension | Add bays in a row | Add bays and equipment under one gutter |
| Typical use | Season extension, field production, nursery | Year-round vegetables, herbs, flowers |
A tunnel is a season tool. A multi-span house is a production facility. Buying tunnels and then bolting on climate equipment is the expensive way to reach the second.
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