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 1895.00000 /EA More Info
PB01662R4C GrowSpan Round Premium High Tunnel 14'W x 10'6"H x 36'L - Film w/Zippered Doors 2699.00000 /EA More Info
PB01664R4C GrowSpan Round Premium High Tunnel 14'W x 10'6"H x 48'L - Film w/Zippered Doors 3425.00000 /EA More Info
PB01670R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 24'L - Fabric w/Roll-Up Doors 2745.00000 /EA More Info
PB01670R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 24'L - Fabric w/Zippered Doors 2745.00000 /EA More Info
PB01670R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 24'L - Film w/Roll-Up Doors 2485.00000 /EA More Info
PB01670R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 24'L - Film w/Zippered Doors 2485.00000 /EA More Info
PB01675R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 36'L - Fabric w/Roll-Up Doors 3739.00000 /EA More Info
PB01675R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 36'L - Fabric w/Zippered Doors 3739.00000 /EA More Info
PB01675R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 36'L - Film w/Roll-Up Doors 3429.00000 /EA More Info
PB01675R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 36'L - Film w/Zippered Doors 3429.00000 /EA More Info
PB01680R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 48'L - Fabric w/Roll-Up Doors 4459.00000 /EA More Info
PB01680R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 48'L - Fabric w/Zippered Doors 4459.00000 /EA More Info
PB01680R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 48'L - Film w/Roll-Up Doors 4055.00000 /EA More Info
PB01680R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 48'L - Film w/Zippered Doors 4055.00000 /EA More Info
PB01681R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 60'L - Film w/Zippered Doors 4795.00000 /EA More Info
PB01685R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 72'L - Fabric w/Roll-Up Doors 5605.00000 /EA More Info
PB01685R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 72'L - Fabric w/Zippered Doors 5605.00000 /EA More Info
PB01685R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 72'L - Film w/Roll-Up Doors 5095.00000 /EA More Info
PB01685R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 72'L - Film w/Zippered Doors 5095.00000 /EA More Info
PB01686R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 84'L - Film w/Zippered Doors 5695.00000 /EA More Info
PB01690R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 96'L - Fabric w/Roll-Up Doors 6729.00000 /EA More Info
PB01690R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 96'L - Fabric w/Zippered Doors 6729.00000 /EA More Info
PB01690R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 96'L - Film w/Roll-Up Doors 6115.00000 /EA More Info
PB01690R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 96'L - Film w/Zippered Doors 6115.00000 /EA More Info
PB01695R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 24'L - Fabric w/Roll-Up Doors 2939.00000 /EA More Info
PB01695R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 24'L - Fabric w/Zippered Doors 2939.00000 /EA More Info
PB01695R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 24'L - Film w/Roll-Up Doors 2675.00000 /EA More Info
PB01695R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 24'L - Film w/Zippered Doors 2675.00000 /EA More Info
PB01697R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 36'L - Fabric w/Roll-Up Doors 3999.00000 /EA More Info
PB01697R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 36'L - Fabric w/Zippered Doors 3999.00000 /EA More Info
PB01697R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 36'L - Film w/Roll-Up Doors 3639.00000 /EA More Info
PB01697R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 36'L - Film w/Zippered Doors 3639.00000 /EA More Info
PB01700R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 48'L - Fabric w/Roll-Up Doors 4919.00000 /EA More Info
PB01700R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 48'L - Fabric w/Zippered Doors 4919.00000 /EA More Info
PB01700R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 48'L - Film w/Roll-Up Doors 4469.00000 /EA More Info
PB01700R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 48'L - Film w/Zippered Doors 4469.00000 /EA More Info
PB01701R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 60'L - Film w/Zippered Doors 5495.00000 /EA More Info
PB01705R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 72'L - Fabric w/Roll-Up Doors 6395.00000 /EA More Info
PB01705R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 72'L - Fabric w/Zippered Doors 6395.00000 /EA More Info
PB01705R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 72'L - Film w/Roll-Up Doors 5825.00000 /EA More Info
PB01705R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 72'L - Film w/Zippered Doors 5825.00000 /EA More Info
PB01706R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 84'L - Film w/Zippered Doors 6195.00000 /EA More Info
PB01710R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 96'L - Fabric w/Roll-Up Doors 7149.00000 /EA More Info
PB01710R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 96'L - Fabric w/Zippered Doors 7149.00000 /EA More Info
PB01710R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 96'L - Film w/Roll-Up Doors 6499.00000 /EA More Info
PB01710R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 96'L - Film w/Zippered Doors 6499.00000 /EA More Info
PB01720R4FR GrowSpan Round Premium High Tunnel 30'W x 12'H x 36'L - Fabric w/Roll-Up Doors 4445.00000 /EA More Info
PB01720R4F GrowSpan Round Premium High Tunnel 30'W x 12'H x 36'L - Fabric w/Zippered Doors 4445.00000 /EA More Info
PB01720R4CR GrowSpan Round Premium High Tunnel 30'W x 12'H x 36'L - Film w/Roll-Up Doors 3845.00000 /EA More Info
PB01720R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 36'L - Film w/Zippered Doors 3845.00000 /EA More Info
PB01725R4FR GrowSpan Round Premium High Tunnel 30'W x 12'H x 48'L - Fabric w/Roll-Up Doors 5115.00000 /EA More Info
PB01725R4F GrowSpan Round Premium High Tunnel 30'W x 12'H x 48'L - Fabric w/Zippered Doors 5115.00000 /EA More Info
PB01725R4CR GrowSpan Round Premium High Tunnel 30'W x 12'H x 48'L - Film w/Roll-Up Doors 4679.00000 /EA More Info
PB01725R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 48'L - Film w/Zippered Doors 4679.00000 /EA More Info
PB01726R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 60'L - Film w/Zippered Doors 5849.00000 /EA More Info
PB01730R4FR GrowSpan Round Premium High Tunnel 30'W x 12'H x 72'L - Fabric w/Roll-Up Doors 6729.00000 /EA More Info
PB01730R4F GrowSpan Round Premium High Tunnel 30'W x 12'H x 72'L - Fabric w/Zippered Doors 6625.00000 /EA More Info
PB01730R4CR GrowSpan Round Premium High Tunnel 30'W x 12'H x 72'L - Film w/Roll-Up Doors 6239.00000 /EA More Info
PB01730R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 72'L - Film w/Zippered Doors 6239.00000 /EA More Info
PB01731R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 84'L - Film w/Zippered Doors 6695.00000 /EA More Info
PB01735R4FR GrowSpan Round Premium High Tunnel 30'W x 12'H x 96'L - Fabric w/Roll-Up Doors 7579.00000 /EA More Info
PB01735R4F GrowSpan Round Premium High Tunnel 30'W x 12'H x 96'L - Fabric w/Zippered Doors 7579.00000 /EA More Info
PB01735R4CR GrowSpan Round Premium High Tunnel 30'W x 12'H x 96'L - Film w/Roll-Up Doors 7039.00000 /EA More Info
PB01735R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 96'L - Film w/Zippered Doors 7039.00000 /EA More Info