The 28' Pro Series is our widest, most heavy-duty greenhouse and high tunnel kit — built for serious growers, commercial market gardeners, and NRCS grant applicants who need a structure that performs season after season. With 14-gauge steel hoops and 5 purlins running the full length, this wide-span series delivers superior strength and generous growing space across all three available styles.
KIT INCLUDES:
- All 1-3/8" diameter 14-gauge galvanized steel tubing (hoops/bows)
- 4' hoop spacing with 14 ft center peak
- Ground stakes — 1-3/8" 14-gauge galvanized steel
- 5 steel purlins — 1-3/8" 16-gauge steel
- Stretch the full length of the greenhouse
- Offer connection points for all hoops
- Clear, 6-mil, 4-year UV-resistant poly film
- Covers top and both ends (single layer — Fully Braced and NRCS)
- Hardware for all attachments
NRCS style also includes:
- 5:1 Gear ratio roll-up side walls
- Wiggle wire and channel for base and end walls
- Engineered to meet USDA NRCS EQIP high tunnel specifications
Four Season style also includes:
- Second layer of 6-mil 4-year greenhouse film on top
- Small inflator fan to separate layers for insulating air pocket
- Wiggle wire and channel for base and end walls
What's not included:
- 2x4s for perimeter base and end walls
- Doors
- Ground cover
- Irrigation lines
Extended legs are included in all kits, allowing ceiling height to be raised approximately 1 ft.
End walls are left open for your customization. Drive-through doors, windows, or solid — kits can be adapted to fit your specific needs.
28' Pro Series Greenhouse Kit
Please check your kit upon arrival for all parts. We will send replacement/missing parts at no additional charge up to 2 months from kit pick up. After the two months following pick up, buyer is responsible to pay for any additional parts and shipping.
We offer a fourteen day money back refund upon return of a greenhouse kit in original, unopened condition. Because we custom build each kit as it is ordered, once an order is placed, the process begins immediately (parts are ordered and labor begins etc. for your kit). Due to this, all cancellations are subject to a 20% materials fee.Buyer pays return shipping.
Shipping Information:
We offer FREE terminal to terminal shipping (*Continental US only). We use freight terminals in order to ship to the terminal nearest you for pickup at no additional cost to you. Your greenhouse will arrive on an 8 ft long x 4 ft wide x 3 ft tall pallet (larger buildings will have two pallets). The terminal will load the pallet onto your trailer for you. The steel is bundled so that it may be hand-unloaded upon reaching your final destination.
You can find your nearest fright location by contacting us at 417-350-8979.
Buyer must pick up kit or make arrangements with the terminal within 1 day of being contacted from the terminal with notification that kit is ready. Not picking up kit within this time frame may result in late fees, storage fees, or ultimately return of kit to Greenhousekits1 at buyers’ expense. In this scenario, buyer will also be responsible for 20% re-stock fee and any damage occurred during travel back to Greenhousekits1.
Additional accessories will ship direct to your property (no need to pick up).
Shipping to property with a lift gate is also an option for an additional fee as long a semi truck can either drive through or turn around. Contact us at 417-350-8979 to get a quote.
