Growers Supply


GrowSpan Single Bay High Tunnels

GrowSpan Single Bay High Tunnels are available in 24' and 28' widths. Maximize control over temperature, relative humidity, ventilation and your growing space. Endless possibilities!

  • These economically priced high tunnels reap payback with most crops in just 2-3 years.
  • Plant earlier, harvest late into fall or early winter.
  • Frames are manufactured from our 14 gauge USA-made, triple-galvanized structural steel tubing.
  • 24'W high tunnels use 1.66" OD pipe. 28'W high tunnels use 1.90" OD pipe.
  • Our Sun Master® 6 mil 4 year clear greenhouse film covering is made from strong copolymer resin for strength and durability. Anti-dust additives repel dirt and dust and allow for 92% light transmission.
  • Tri-layer film has UV additives and comes with a 4 year warranty.
  • End Panels are manufactured from our 10 oz. 22 mil clear premium rip-stop greenhouse fabric and each comes complete with 20'W x 10'H Roll-Up Door that utilizes our Hand-Crank Assembly.
  • Purchase 4 x 4s locally to strengthen and finish off the ends.
  • Enjoy the advantages of a well-sealed tunnel when needed during the cold months or early production. During the late spring and hot summer months, enjoy the benefits of full ventilation. Unique cross-bracing feature adds extra strength and durability.
  • Rafter spacing: 7'. Sidewall height: 4'.
  • Ridge purlin and heavy-duty ground posts are included.