Two people working in a high tunnel.

Greenhouse and Tunnel Supplies

43 Products
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Build your own durable, professional-grade high tunnel.
Provides additional greenhouse ventilation in hot conditions.
Provides additional greenhouse ventilation in hot conditions.
Quickly adjust tunnel sidewalls and hold them at desired height.
Build your own durable, professional-grade high tunnel.
Provides additional greenhouse ventilation in hot conditions.
Keep your cold frame plants in their "comfort zone."
Prevents ground posts from deforming. Fits into 1 5/8" ground post.
Provides additional greenhouse ventilation in hot conditions.
Convenient system for securing high tunnel coverings.
Bend gothic arch-shaped bows to shed snow more efficiently.
Universal, for greenhouse and cold frame applications.
Convenient system for securing high tunnel coverings.
Permanent solution for end walls — no need to replace wood!
A very versatile piece of greenhouse hardware.
For securing the ends of collar ties and angle braces to bows.
Sale
Create heavy-duty low tunnels that will last for years.
Sale
Bends 13-14' wide hoops that compress into ground posts for high tunnel.
Sale
Create heavy-duty low tunnels that will last for years.