20' Greenhouse Kits

Upgrade your gardening setup with our 20ft Wide Quonset Style Greenhouse Kits, engineered for strength and durability. Each greenhouse stands 10-10.5ft tall at the peak and is built with 1 5/8" commercial-grade steel for a sturdy structure.
 
What's in the Kit:
3-piece Quonset hoop for a robust frame
(3) Top/side mount purlins for added support
3ft structural ground tubes for stability
Sway bars (2 for up to 10ft long, 4 for longer structures)
All necessary connection hardware, base board hardware, and screws included (you’ll need 2in wood screws to attach the base board with our clamps)
Channel lock and wire for securing the poly to the hoops and base boards
6MIL clear 4-year rated poly top cover with an extra 5ft for easier installation (upgrade to reinforced woven poly available)
 
Options:
Roll-up sides
20ft steel end wall kits with an 8x7ft doorway
Auto shade/blackout kits
Manual blackout kits
Ventilation fans
 
Additional Info:
This is a complete open-ended kit; simply add lumber for the base boards and 2in wood screws from your local hardware store.
 
Customize your greenhouse with optional features and enjoy a more efficient gardening experience.