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.

Cold Frames - GrowSpan Round Cold Frames
Item # Description Price  
103083 GrowSpan Round Cold Frame - 8'W x 8'5"H x 24'L $569.00 /EA More Info
105002 GrowSpan Round Cold Frame - 8'W x 8'5"H x 36'L $829.00 /EA More Info
103084 GrowSpan Round Cold Frame - 8'W x 8'5"H x 48'L $1,075.00 /EA More Info
103087 GrowSpan Round Cold Frame - 10'W x 8'7-1/16"H x 24'L $665.00 /EA More Info
105003 GrowSpan Round Cold Frame - 10'W x 8'7-1/16"H x 36'L $935.00 /EA More Info
103088 GrowSpan Round Cold Frame - 10'W x 8'7-1/16"H x 48'L $1,175.00 /EA More Info
105004 GrowSpan Round Cold Frame - 10'W x 8'7-1/16"H x 60'L $1,475.00 /EA More Info
105005 GrowSpan Round Cold Frame - 10'W x 8'7-1/16"H x 72'L $1,705.00 /EA More Info
103089 GrowSpan Round Cold Frame - 10'W x 8'7-1/16"H x 96'L $2,079.00 /EA More Info
103099 GrowSpan Round Cold Frame - 12'W x 8'7-9/16"H x 24'L $699.00 /EA More Info
105006 GrowSpan Round Cold Frame - 12'W x 8'7-9/16"H x 36'L $1,009.00 /EA More Info
103100 GrowSpan Round Cold Frame - 12'W x 8'7-9/16"H x 48'L $1,345.00 /EA More Info
105007 GrowSpan Round Cold Frame - 12'W x 8'7-9/16"H x 60'L $1,589.00 /EA More Info
105008 GrowSpan Round Cold Frame - 12'W x 8'7-9/16"H x 72'L $1,835.00 /EA More Info
102859 GrowSpan Round Cold Frame - 12'W x 8'7-9/16"H x 96'L $2,179.00 /EA More Info
103101 GrowSpan Round Cold Frame - 14'W x 8'5-7/16'H x 24'L $755.00 /EA More Info
105009 GrowSpan Round Cold Frame - 14'W x 8'5-7/16'H x 36'L $1,065.00 /EA More Info
103102 GrowSpan Round Cold Frame - 14'W x 8'5-7/16'H x 48'L $1,345.00 /EA More Info
105010 GrowSpan Round Cold Frame - 14'W x 8'5-7/16'H x 60'L $1,585.00 /EA More Info
105011 GrowSpan Round Cold Frame - 14'W x 8'5-7/16'H x 72'L $1,975.00 /EA More Info
103086 GrowSpan Round Cold Frame - 14'W x 8'5-7/16'H x 96'L $2,429.00 /EA More Info
103103 GrowSpan Round Cold Frame - 20'W x 10'7-9/16"H x 24'L $1,245.00 /EA More Info
105012 GrowSpan Round Cold Frame - 20'W x 10'7-9/16"H x 36'L $1,765.00 /EA More Info
103104 GrowSpan Round Cold Frame - 20'W x 10'7-9/16"H x 48'L $2,275.00 /EA More Info
105013 GrowSpan Round Cold Frame - 20'W x 10'7-9/16"H x 60'L $2,805.00 /EA More Info
105014 GrowSpan Round Cold Frame - 20'W x 10'7-9/16"H x 72'L $3,069.00 /EA More Info
103105 GrowSpan Round Cold Frame - 20'W x 10'7-9/16"H x 96'L $3,739.00 /EA More Info
103106 GrowSpan Round Cold Frame - 26'W x 13'0.25"H x 24'L $1,369.00 /EA More Info
105015 GrowSpan Round Cold Frame - 26'W x 13'0.25"H x 36'L $2,079.00 /EA More Info
103107 GrowSpan Round Cold Frame - 26'W x 13'0.25"H x 48'L $2,775.00 /EA More Info
105016 GrowSpan Round Cold Frame - 26'W x 13'0.25"H x 60'L $3,459.00 /EA More Info
105017 GrowSpan Round Cold Frame - 26'W x 13'0.25"H x 72'L $3,805.00 /EA More Info
102861 GrowSpan Round Cold Frame - 26'W x 13'0.25"H x 96'L $4,679.00 /EA More Info
103757 GrowSpan Round Cold Frame - 38'W x 15'3-1/4"H x 48'L $4,885.00 /EA More Info
105018 GrowSpan Round Cold Frame - 38'W x 15'3-1/4"H x 60'L $6,095.00 /EA More Info
105019 GrowSpan Round Cold Frame - 38'W x 15'3-1/4"H x 72'L $6,679.00 /EA More Info
103758 GrowSpan Round Cold Frame - 38'W x 15'3-1/4H x 96'L $8,495.00 /EA More Info