30′ Wide Semi-Gable Valley Series Greenhouse

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For complete price quotes please fill out the form in the description or call us at 1-888-725-4769.



Our Fullbloom Semi-Gable Greenhouse packages make growing hassle free and affordable by using best in class galvanized steel framing, anti-drip and light diffusing poly, and only the best ventilation and automation equipment. Our framing is manufactured in Oregon and designed to be as simple as possible to install, eliminating thousands in potential labor costs. We use the toughest and thickest steel frames in the industry so your greenhouses last longer and are more resilient in tough weather than our competitors’ frames. All of our offered accessories, like our exhaust fans, are US made and UL listed for easy permitting. Last but not least, we provide the lowest cost possible by limiting unnecessary features and streamlining our designs, passing the savings and simplicity on to the customer.

Making the switch from outdoor (or indoor) growing to greenhouses makes more sense than any other growing style. By limiting exposure to rain, snow, humidity, pests, excessive heat and cold, the quality of the flowers produced are often comparable to any indoor garden. Outdoor growers can maximize their yields by harvesting three times within the natural growing season. Indoor growers save tens of thousands on building and energy costs by harnessing the sun and lower equipment costs. Use the automated controller and thermometer to control your internal temperature and ventilation systems automatically, making the entire process easier than ever.

Note: Not all items included in photos come standard. Contact your sales rep for details on package contents.

Semi-Gable Style:

The semi-gable greenhouse is only available in sizes 30 feet wide and 30-145 feet long. It has a center height of 15 feet. The peaked roof remains the best design to prevent snow buildup and improve wind resistance while providing the largest growing area for your plants. Our sidewalls are straight, rather than competitors’ hoop houses, which allow you to maximize the amount of plants in your grow space without sacrificing plant height. One wall contains the custom, pre-welded double doors (4’ x 8’ each) and the uses our tough endwall frame. The permanence of the endwalls makes it easy to mount fans and other equipment.


Anti-drip Poly:

Anti-drip poly is now the standard option on our greenhouses, rather than relying on inferior options. Our poly’s anti-drip technology reduces harmful condensation all year round, protecting your plants from excess surface moisture. This poly assists with humidity, reducing any operational costs associated with dehumidifying your grow. The light diffusing qualities of the anti-drip poly have also resulted in an astounding 30% increase in plant yield. We are happy to offer this to you in order to further increase your growth and eliminate some potential problems.

  • Each package includes:
  • Pre-cut, pre-drilled galvanized steel framing.
  • Premium anti-drip poly used standard.
  • Manual side roll-up setup for maximum airflow.
  • High sidewalls (5ft poly height) with 8ft high ceiling height for big plants.

Optional equipment includes exhaust fans, HAF (horizontal airflow) fans and intake louvers for internal air circulation. For those growers interested in fully automation, inquire about the ventilation controller, which works with all your air circulation equipment to simplify your grow operation.


Manual Roll-up Sides:

Open your greenhouse to the summer breeze on a clear day. Easily reach the exact plant you want to treat. With the included manual roll-up cranks simply adjust both sides of the greenhouse’s clear plastic to generate greater ventilation.

  • Easy-to-use windup mechanism.
  • Smoothly roll plastic up to desired height.
  • Clear plastic is secured to the galvanized steel roller bar, eliminating flyaway edges.
  • Includes 2 steel roller bars, 2 winding mechanisms and mounting bolts.