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GrowSpan Round Cold Frames

GrowSpan cold frames, also known as hoop buildings, are ideal for starting seedlings or transitioning greenhouse plants prior to outdoor planting.

• Easy to assemble; no drilling or welding.
• 4' rafter spacing.
• Heavy gauge USA-made, triple-galvanized structural steel tubing.
• Ground posts and purlins on all models.
• Round style hoop building frame.
• Baseboards are recommended. Our recycled plastic lumber, sold separately, comes with a 50 year warranty and is ideal.
• Greenhouse film is sold separately.