GrowSpan Straight Sided Cold Frames provide a comfortable growing environment.
• Encourages better air circulation, with less humidity and more stable air temperature.
• Constructed from 14 gauge USA-made, triple-galvanized structural steel tubing.
• 20'W models have a 4'6" sidewall height and a 9'6" height at peak.
• 28'W models have a 4' sidewall height and an 11' height at peak.
• Ground posts and purlins included.
• Hoop buildings can be covered with greenhouse film, shade cloth, lightweight PolyMax® fabric, all sold separately. 20'W requires 32'W film. 28'W requires 42'W film.
• Top and bottom baseboards are recommended. Our recycled plastic lumber, is ideal.