GrowSpan Round Premium High Tunnels

Ideal for vegetables, small fruit, cut flowers and more. A GrowSpan Round Premium High Tunnel will enhance your crop yield, quality and profitability up to 50%.

• Frames are manufactured from our USA-made, triple-galvanized structural steel tubing.
• Available with our 6 mil 4 year Clear Greenhouse Film or our 5.2 oz., 12 mil Clear Greenhouse Covering.
• Our Sun Master® 6 mil 4 year Clear Greenhouse Film is made from strong copolymer resin, with tri-layer construction and UV additives. This film offers 92% light transmission and comes with a 4 year warranty.
• Our PolyMax® 5.2 oz., 12 mil Clear Woven Greenhouse Covering, with added UV inhibitors, is superior to all greenhouse fabrics, offers 85% light transmission and comes with a 4 year warranty.
• Structures 20'W or wider can be designed with Zippered or Roll-Up Doors. Both options are manufactured from 10 oz., 22 mil premium rip-stop translucent fabric.
• Roll-Up Doors feature our Hand Crank Assembly System for easy roll up.
• Triple-zippered end panels feature our heavy-duty, industrial-strength #15 Zippers and come complete with fabric clips for attaching.
• Four-sided ventilation is easy. Roll-Up Sides feature our exclusive "Twist-of-the-Wrist" Roll-Up Assembly.
• Rafter spacing: 4'.
• Heavy-duty ground posts are included.
• We recommend using a baseboard. Our Recycled Plastic Lumber, sold separately, comes with a 50 year warranty and is ideal.

Greenhouses & High Tunnels - High Tunnels - GrowSpan Round Premium High Tunnels
Item # Description Price  
PB01660R4C GrowSpan Round Premium High Tunnel 14'W x 10'6"H x 24'L - Film w/Zippered Doors $1,895.00 /EA More Info
PB01662R4C GrowSpan Round Premium High Tunnel 14'W x 10'6"H x 36'L - Film w/Zippered Doors $2,699.00 /EA More Info
PB01664R4C GrowSpan Round Premium High Tunnel 14'W x 10'6"H x 48'L - Film w/Zippered Doors $3,425.00 /EA More Info
PB01670R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 24'L - Fabric w/Roll-Up Doors $2,745.00 /EA More Info
PB01670R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 24'L - Fabric w/Zippered Doors $2,745.00 /EA More Info
PB01670R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 24'L - Film w/Roll-Up Doors $2,485.00 /EA More Info
PB01670R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 24'L - Film w/Zippered Doors $2,485.00 /EA More Info
PB01675R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 36'L - Fabric w/Roll-Up Doors $3,739.00 /EA More Info
PB01675R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 36'L - Fabric w/Zippered Doors $3,739.00 /EA More Info
PB01675R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 36'L - Film w/Roll-Up Doors $3,429.00 /EA More Info
PB01675R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 36'L - Film w/Zippered Doors $3,429.00 /EA More Info
PB01680R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 48'L - Fabric w/Roll-Up Doors $4,459.00 /EA More Info
PB01680R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 48'L - Fabric w/Zippered Doors $4,459.00 /EA More Info
PB01680R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 48'L - Film w/Roll-Up Doors $4,055.00 /EA More Info
PB01680R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 48'L - Film w/Zippered Doors $4,055.00 /EA More Info
PB01681R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 60'L - Film w/Zippered Doors $4,795.00 /EA More Info
PB01685R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 72'L - Fabric w/Roll-Up Doors $5,605.00 /EA More Info
PB01685R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 72'L - Fabric w/Zippered Doors $5,605.00 /EA More Info
PB01685R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 72'L - Film w/Roll-Up Doors $5,095.00 /EA More Info
PB01685R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 72'L - Film w/Zippered Doors $5,095.00 /EA More Info
PB01686R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 84'L - Film w/Zippered Doors $5,695.00 /EA More Info
PB01690R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 96'L - Fabric w/Roll-Up Doors $6,729.00 /EA More Info
PB01690R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 96'L - Fabric w/Zippered Doors $6,729.00 /EA More Info
PB01690R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 96'L - Film w/Roll-Up Doors $6,115.00 /EA More Info
PB01690R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 96'L - Film w/Zippered Doors $6,115.00 /EA More Info
PB01695R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 24'L - Fabric w/Roll-Up Doors $2,939.00 /EA More Info
PB01695R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 24'L - Fabric w/Zippered Doors $2,939.00 /EA More Info
PB01695R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 24'L - Film w/Roll-Up Doors $2,675.00 /EA More Info
PB01695R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 24'L - Film w/Zippered Doors $2,675.00 /EA More Info
PB01697R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 36'L - Fabric w/Roll-Up Doors $3,999.00 /EA More Info
PB01697R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 36'L - Fabric w/Zippered Doors $3,999.00 /EA More Info
PB01697R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 36'L - Film w/Roll-Up Doors $3,639.00 /EA More Info
PB01697R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 36'L - Film w/Zippered Doors $3,639.00 /EA More Info
PB01700R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 48'L - Fabric w/Roll-Up Doors $4,919.00 /EA More Info
PB01700R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 48'L - Fabric w/Zippered Doors $4,919.00 /EA More Info
PB01700R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 48'L - Film w/Roll-Up Doors $4,469.00 /EA More Info
PB01700R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 48'L - Film w/Zippered Doors $4,469.00 /EA More Info
PB01701R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 60'L - Film w/Zippered Doors $5,495.00 /EA More Info
PB01705R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 72'L - Fabric w/Roll-Up Doors $6,395.00 /EA More Info
PB01705R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 72'L - Fabric w/Zippered Doors $6,395.00 /EA More Info
PB01705R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 72'L - Film w/Roll-Up Doors $5,825.00 /EA More Info
PB01705R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 72'L - Film w/Zippered Doors $5,825.00 /EA More Info
PB01706R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 84'L - Film w/Zippered Doors $6,195.00 /EA More Info
PB01710R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 96'L - Fabric w/Roll-Up Doors $7,149.00 /EA More Info
PB01710R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 96'L - Fabric w/Zippered Doors $7,149.00 /EA More Info
PB01710R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 96'L - Film w/Roll-Up Doors $6,499.00 /EA More Info
PB01710R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 96'L - Film w/Zippered Doors $6,499.00 /EA More Info
PB01720R4FR GrowSpan Round Premium High Tunnel 30'W x 12'H x 36'L - Fabric w/Roll-Up Doors $4,445.00 /EA More Info
PB01720R4F GrowSpan Round Premium High Tunnel 30'W x 12'H x 36'L - Fabric w/Zippered Doors $4,445.00 /EA More Info
PB01720R4CR GrowSpan Round Premium High Tunnel 30'W x 12'H x 36'L - Film w/Roll-Up Doors $3,845.00 /EA More Info
PB01720R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 36'L - Film w/Zippered Doors $3,845.00 /EA More Info
PB01725R4FR GrowSpan Round Premium High Tunnel 30'W x 12'H x 48'L - Fabric w/Roll-Up Doors $5,115.00 /EA More Info
PB01725R4F GrowSpan Round Premium High Tunnel 30'W x 12'H x 48'L - Fabric w/Zippered Doors $5,115.00 /EA More Info
PB01725R4CR GrowSpan Round Premium High Tunnel 30'W x 12'H x 48'L - Film w/Roll-Up Doors $4,679.00 /EA More Info
PB01725R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 48'L - Film w/Zippered Doors $4,679.00 /EA More Info
PB01726R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 60'L - Film w/Zippered Doors $5,849.00 /EA More Info
PB01730R4FR GrowSpan Round Premium High Tunnel 30'W x 12'H x 72'L - Fabric w/Roll-Up Doors $6,729.00 /EA More Info
PB01730R4F GrowSpan Round Premium High Tunnel 30'W x 12'H x 72'L - Fabric w/Zippered Doors $6,625.00 /EA More Info
PB01730R4CR GrowSpan Round Premium High Tunnel 30'W x 12'H x 72'L - Film w/Roll-Up Doors $6,239.00 /EA More Info
PB01730R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 72'L - Film w/Zippered Doors $6,239.00 /EA More Info
PB01731R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 84'L - Film w/Zippered Doors $6,695.00 /EA More Info
PB01735R4FR GrowSpan Round Premium High Tunnel 30'W x 12'H x 96'L - Fabric w/Roll-Up Doors $7,579.00 /EA More Info
PB01735R4F GrowSpan Round Premium High Tunnel 30'W x 12'H x 96'L - Fabric w/Zippered Doors $7,579.00 /EA More Info
PB01735R4CR GrowSpan Round Premium High Tunnel 30'W x 12'H x 96'L - Film w/Roll-Up Doors $7,039.00 /EA More Info
PB01735R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 96'L - Film w/Zippered Doors $7,039.00 /EA More Info