Growers Supply

GrowSpan Gothic Premium High Tunnel - 30'W x 12H x 36'L Film Roll-Up Sides

Item Number: 108190H5CRU Availability: Available in 6 days (Manufactured Product)

GrowSpan Gothic Premium High Tunnels, with 4'H sidewalls, sufficiently modify the environment to enhance crop growth, quality and yield. Ideal for a wide variety of crops, these high tunnels offer temperature control and protection from wind, rain, disease and predators. New high tunnels offer more growing space and increased ventilation! 30' wide Gothic Premium High Tunnels can be outfitted with a 5 part rafter kit to comply with NRCS requirements.

  • Frames are constructed with our 14-gauge USA-made, triple-galvanized structural steel tubing. 30'W tunnels use 1.90" OD pipe.
  • Available with either our superior PolyMax® 5.2 oz., 12 mil thick Clear Woven Greenhouse Covering or our Sun Master® 6 mil 4 year Clear Greenhouse Film.
  • Our PolyMax® 5.2 oz.,12 mil Clear Woven Greenhouse Covering comes with a 4 year warranty. With added UV inhibitors, this cover offers 85% light transmission, has excellent cold-crack resistance and will not tear.
  • Our Sun Master® 6 mil 4 year clear film is made from strong copolymer resin with an anti-static additive that repels dust and dirt and keeps the light shining through. This film, with tri-layer construction and UV additives, offers 92% light transmission and comes with a 4 year warranty.
  • Choose Roll-Up or Drop-Down Sides, manufactured from our 5.2 oz. fabric, to control the air entering the high tunnel and provide four-sided ventilation. Includes our exclusive "Twist-of-the-Wrist" Assembly, complete with all necessary hardware for installation.
  • Optional Ridge Vent Kit, available only on units with 5.2 oz. clear greenhouse cover, allows control over ventilation and temperatures within the high tunnel during the hot summer months.
  • Roll-up doors, which utilize our Hand-Crank Assembly, and end panels are manufactured from 10 oz., 22 mil translucent fabric.
  • 30'W units have 6'W x 6'H zippered doors.
  • Purchase 4 x 4s locally to strengthen and finish off the ends.
  • 4' rafter spacing.
  • For additional strength and durability, particularly in heavy snow areas, add our High Tunnel Rafter Kits or our Support Kits.
  • 4' sidewalls provide additional, valuable growing space.
  • Heavy-duty ground posts are included.
  • Baseboards and ribbon boards are required to attach Roll-Up or Drop-Down Sides. Our Recycled Plastic Lumber, sold separately, comes with a 50 year warranty and is ideal.