Rain Cover 20' Greenhouse

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Looking for a Rain Cover? We’ve got it covered.

Rain cover greenhouses provide the most essential structure for those growers interested in big yields using very little equipment. These structures are also known as bikini-tops, which offer protection from rain and snow without sacrificing natural ventilation and sunlight. On our rain cover, the clear poly only covers the top of the structure and does not cover the end walls or reach the ground. This style is made for growers with mild weather who want optimal, 360-degree ventilation and easy access to their plants from any angle. The best thing about rain covers is that when you decide your grow is ready to advance to the next level of protection or automation, our sales representatives are ready to help. All our greenhouse kits can be made to work with our existing structures, taking the worry out of your upgrade.

Standard Quonset Style:

The Quonset style greenhouse is only available in sizes 20 feet wide and 20-95 feet long. It has a center height of 12 feet. Competitor’s houses often have hoop walls, reducing the amount of possible plants inside the greenhouse. Our sidewalls are straight, allowing you to maximize the amount of plants in your grow space. The hooped top still prevents the unwanted accumulation of rain and snow without sacrificing plant height.

Anti-drip Poly:

Anti-drip poly is now the standard in all our greenhouse kits. The anti-drip technology reduces condensation at all times, guarding against harmful moisture, mold and mildew. This poly assists with humidity and light diffusion, reducing operational costs and increasing plant yield by up to 30%. We are pleased to offer this to you in order to optimize your plants’ growth and eliminate potential problems.  

Each kit includes:

  • Pre-cut, pre-drilled galvanized steel framing.

  • Premium anti-drip poly.

  • High sidewalls for big plants.

For those interested in fully enclosed greenhouses and automated options, ask our sales representatives. All our rain covers can work with our other greenhouse kits, making upgrading a breeze.

Shipping price is for a single greenhouse with no accessories shipped on the west coast. For other locations and more accurate shipping quotes, please contact your sales representative. 

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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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