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The GrowSpan Gothic Premium High Tunnel Greenhouse System provides an advanced, controlled environment for improved crop growth, quality, and yield. Constructed with 14-gauge, triple-galvanized USA-made structural steel, this high tunnel greenhouse is both durable and highly functional. Its 6-foot sidewalls offer ample space for a wide range of crops, while the customizable ventilation options and premium light-transmitting covers create the ideal growing conditions. Choose between the PolyMax® 5.2 oz., 12-mil woven covering or the Sun Master® 6-mil clear film, both of which include UV inhibitors for enhanced durability. Designed for strength and easy installation, this high tunnel greenhouse is suited for various climates and applications.
| Category | Specification |
|---|---|
| Width Options | 20', 26', 30' |
| Height | 14' (20'W & 26'W); 12' or 14' (30'W) |
| Length Options | 24', 36', 48', 60', 72', 96', 120' |
| Frame Material | 14-gauge, triple-galvanized structural steel |
| Pipe Size | 1.66" OD (20'W & 26'W), 1.90" OD (30'W) |
| Cover Material | PolyMax 5.2 oz. fabric or Sun Master 6 mil film |
| Light Transmission | 85% (PolyMax®), 92% (Sun Master®) |
| Ventilation | Roll-Up or Drop-Down Sides |
| Door Sizes | 20'W: 16'W x 10'H; 26'W & 30'W: 20'W x 10'H |
| Rafter Spacing | 4' |
| Ground Posts | Heavy-duty, included |
| Warranty | 4 years on PolyMax & Sun Master covers |
| Additional Options | Support Kits, Rafter Kits, Flush Door Mounting Kit |
Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
US$40
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