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 1955.00000 /EA More Info
PB01662R4C GrowSpan Round Premium High Tunnel 14'W x 10'6"H x 36'L - Film w/Zippered Doors 2779.00000 /EA More Info
PB01664R4C GrowSpan Round Premium High Tunnel 14'W x 10'6"H x 48'L - Film w/Zippered Doors 3529.00000 /EA More Info
PB01670R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 24'L - Fabric w/Roll-Up Doors 2829.00000 /EA More Info
PB01670R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 24'L - Fabric w/Zippered Doors 2829.00000 /EA More Info
PB01670R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 24'L - Film w/Roll-Up Doors 2559.00000 /EA More Info
PB01670R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 24'L - Film w/Zippered Doors 2559.00000 /EA More Info
PB01675R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 36'L - Fabric w/Roll-Up Doors 3855.00000 /EA More Info
PB01675R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 36'L - Fabric w/Zippered Doors 3855.00000 /EA More Info
PB01675R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 36'L - Film w/Roll-Up Doors 3535.00000 /EA More Info
PB01675R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 36'L - Film w/Zippered Doors 3535.00000 /EA More Info
PB01680R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 48'L - Fabric w/Roll-Up Doors 4595.00000 /EA More Info
PB01680R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 48'L - Fabric w/Zippered Doors 4595.00000 /EA More Info
PB01680R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 48'L - Film w/Roll-Up Doors 4179.00000 /EA More Info
PB01680R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 48'L - Film w/Zippered Doors 4179.00000 /EA More Info
PB01681R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 60'L - Film w/Zippered Doors 4939.00000 /EA More Info
PB01685R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 72'L - Fabric w/Roll-Up Doors 5775.00000 /EA More Info
PB01685R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 72'L - Fabric w/Zippered Doors 5775.00000 /EA More Info
PB01685R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 72'L - Film w/Roll-Up Doors 5249.00000 /EA More Info
PB01685R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 72'L - Film w/Zippered Doors 5249.00000 /EA More Info
PB01686R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 84'L - Film w/Zippered Doors 5865.00000 /EA More Info
PB01690R4FR GrowSpan Round Premium High Tunnel 20'W x 12'H x 96'L - Fabric w/Roll-Up Doors 6935.00000 /EA More Info
PB01690R4F GrowSpan Round Premium High Tunnel 20'W x 12'H x 96'L - Fabric w/Zippered Doors 6935.00000 /EA More Info
PB01690R4CR GrowSpan Round Premium High Tunnel 20'W x 12'H x 96'L - Film w/Roll-Up Doors 6299.00000 /EA More Info
PB01690R4C GrowSpan Round Premium High Tunnel 20'W x 12'H x 96'L - Film w/Zippered Doors 6299.00000 /EA More Info
PB01695R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 24'L - Fabric w/Roll-Up Doors 3029.00000 /EA More Info
PB01695R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 24'L - Fabric w/Zippered Doors 3029.00000 /EA More Info
PB01695R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 24'L - Film w/Roll-Up Doors 2755.00000 /EA More Info
PB01695R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 24'L - Film w/Zippered Doors 2755.00000 /EA More Info
PB01697R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 36'L - Fabric w/Roll-Up Doors 4119.00000 /EA More Info
PB01697R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 36'L - Fabric w/Zippered Doors 4119.00000 /EA More Info
PB01697R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 36'L - Film w/Roll-Up Doors 3749.00000 /EA More Info
PB01697R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 36'L - Film w/Zippered Doors 3749.00000 /EA More Info
PB01700R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 48'L - Fabric w/Roll-Up Doors 5065.00000 /EA More Info
PB01700R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 48'L - Fabric w/Zippered Doors 5065.00000 /EA More Info
PB01700R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 48'L - Film w/Roll-Up Doors 4605.00000 /EA More Info
PB01700R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 48'L - Film w/Zippered Doors 4605.00000 /EA More Info
PB01701R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 60'L - Film w/Zippered Doors 5659.00000 /EA More Info
PB01705R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 72'L - Fabric w/Roll-Up Doors 6589.00000 /EA More Info
PB01705R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 72'L - Fabric w/Zippered Doors 6589.00000 /EA More Info
PB01705R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 72'L - Film w/Roll-Up Doors 5999.00000 /EA More Info
PB01705R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 72'L - Film w/Zippered Doors 5999.00000 /EA More Info
PB01706R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 84'L - Film w/Zippered Doors 6385.00000 /EA More Info
PB01710R4FR GrowSpan Round Premium High Tunnel 26'W x 12'H x 96'L - Fabric w/Roll-Up Doors 7365.00000 /EA More Info
PB01710R4F GrowSpan Round Premium High Tunnel 26'W x 12'H x 96'L - Fabric w/Zippered Doors 7365.00000 /EA More Info
PB01710R4CR GrowSpan Round Premium High Tunnel 26'W x 12'H x 96'L - Film w/Roll-Up Doors 6695.00000 /EA More Info
PB01710R4C GrowSpan Round Premium High Tunnel 26'W x 12'H x 96'L - Film w/Zippered Doors 6695.00000 /EA More Info
PB01720R4FR GrowSpan Round Premium High Tunnel 30'W x 12'H x 36'L - Fabric w/Roll-Up Doors 4579.00000 /EA More Info
PB01720R4F GrowSpan Round Premium High Tunnel 30'W x 12'H x 36'L - Fabric w/Zippered Doors 4579.00000 /EA More Info
PB01720R4CR GrowSpan Round Premium High Tunnel 30'W x 12'H x 36'L - Film w/Roll-Up Doors 3965.00000 /EA More Info
PB01720R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 36'L - Film w/Zippered Doors 3965.00000 /EA More Info
PB01725R4FR GrowSpan Round Premium High Tunnel 30'W x 12'H x 48'L - Fabric w/Roll-Up Doors 5269.00000 /EA More Info
PB01725R4F GrowSpan Round Premium High Tunnel 30'W x 12'H x 48'L - Fabric w/Zippered Doors 5269.00000 /EA More Info
PB01725R4CR GrowSpan Round Premium High Tunnel 30'W x 12'H x 48'L - Film w/Roll-Up Doors 4819.00000 /EA More Info
PB01725R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 48'L - Film w/Zippered Doors 4819.00000 /EA More Info
PB01726R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 60'L - Film w/Zippered Doors 6025.00000 /EA More Info
PB01730R4FR GrowSpan Round Premium High Tunnel 30'W x 12'H x 72'L - Fabric w/Roll-Up Doors 6935.00000 /EA More Info
PB01730R4F GrowSpan Round Premium High Tunnel 30'W x 12'H x 72'L - Fabric w/Zippered Doors 6825.00000 /EA More Info
PB01730R4CR GrowSpan Round Premium High Tunnel 30'W x 12'H x 72'L - Film w/Roll-Up Doors 6429.00000 /EA More Info
PB01730R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 72'L - Film w/Zippered Doors 6429.00000 /EA More Info
PB01731R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 84'L - Film w/Zippered Doors 6895.00000 /EA More Info
PB01735R4FR GrowSpan Round Premium High Tunnel 30'W x 12'H x 96'L - Fabric w/Roll-Up Doors 7809.00000 /EA More Info
PB01735R4F GrowSpan Round Premium High Tunnel 30'W x 12'H x 96'L - Fabric w/Zippered Doors 7809.00000 /EA More Info
PB01735R4CR GrowSpan Round Premium High Tunnel 30'W x 12'H x 96'L - Film w/Roll-Up Doors 7255.00000 /EA More Info
PB01735R4C GrowSpan Round Premium High Tunnel 30'W x 12'H x 96'L - Film w/Zippered Doors 7255.00000 /EA More Info