Growers Supply


GrowSpan Round Economy High Tunnels

Extend your growing season with a GrowSpan Round Economy High Tunnel. High Tunnels, also called hoop buildings, are ideal for vegetables, small fruit and cut flowers. Increase yield, enhance quality by 50%!

  • Manufactured from 14 gauge USA-made, triple-galvanized structural steel tubing.
  • 6' rafter spacing.
  • 6 mil 4 year single layer greenhouse film, for cover and ends, comes complete with all hardware necessary for installation.
  • Universal Joint Roll-Up for sides, including all hardware.
  • Heavy-duty ground posts included.
  • Baseboards are recommended, our recycled plastic lumber, sold separately, is ideal.

Dare to Compare: What makes our GrowSpan Round Economy High Tunnels better?

Ours: Heavy-duty, USA-made, triple-galvanized structural steel tubing frame.
Theirs: Lightweight, chain-link fence pipe or the equivalent.

Ours: Heavy-duty ground posts and multiple purlin rows.
Theirs: Only single purlin at ridge.

Ours: 6 mil 4 year greenhouse film with poly latch for film attachment.
Theirs: 1 year greenhouse film. No attachment system.

Ours: Universal Joint Roll-Up for sides, including all necessary hardware.
Theirs: No roll-up sides. Film attached with batten strips.