GGreen
Cover Guide

Tunnel systems

High Tunnel Plastic Guide

Choose high tunnel plastic with crop season, roll-up sides, wind exposure, film properties, fastening and planned replacement in view.

Reviewed July 2026Decision guide

High Tunnel Plastic Guide illustrated technical reference

Choose by condition, not a product label

Use this table to identify the decision that comes first. It is a selection framework, not a substitute for the product manual, supplier quotation, structural assessment or local requirements.

Project conditionStarting pointVerify before ordering
Season extension tunnelFilm aligned to crop calendarConfirm ventilation workflow and endwall details.
Exposed high tunnelSecure cover and edge systemReview wind exposure and frame guidance.
Summer productionFilm plus shade or ventilation planDo not solve heat with one material choice alone.

What to verify before purchase or installation

Decision boundary

Material names and headline specifications do not establish a complete greenhouse outcome. Verify product-specific limits with the current manufacturer documentation and confirm structural or permitting requirements locally.

Common questions

What plastic is used for a high tunnel?

High tunnels commonly use greenhouse film specified for the structure and season. Verify roll width, UV treatment, fastening compatibility and the supplier's installation guidance.

How do you secure high tunnel plastic?

Use a fastening system compatible with the frame and cover. Secure edges, manage tension and remove abrasion points before the installation.