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CDCASA 20x10x10 FT Greenhouse for Outdoors, Easy Assembly Large Thicker Aluminum Heavy Duty Polycarbonate Greenhouses Kit w/4 Vent Window, Swing Door, Walk-in Green House for Sunroom Patio,Backyard

  • Based on 51 reviews
Condition: New
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Availability: 16 left in stock
Fulfilled by LINKINTEREST

Arrives Jul 2 – Jul 5
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Item Shape: 20x10x10 FT - Black & Clear - Upgraded


Features

  • Durable Panels: These 4mm twin-wall polycarbonate panels are nearly unbreakable. They allow 70% light transmission for optimal plant growth while blocking over 99.9% of harmful UV rays. Perfectly sized for your backyard, terrace, or garden, this greenhouse is great for casual gardeners and flower enthusiasts, providing ample space for plant preparation and growth.
  • Sturdy Frame: Our greenhouse kit boasts a robust rust-resistant aluminum frame designed to withstand various weather conditions. 2 skilled enthusiasts can assemble this greenhouse kit within just 4-6 hours. Introducing patented technology, Easy assembly, saving you 50% of your time. Gone are the days of tedious setups. With a simple push and locking screw, our Quick Connect ensures a reliable, secure, and swift link-up. It can also support snow loads of up to 20PSF.
  • Thoughtful Design: This greenhouse with modular design can be put together directly. There are rain gutters on both sides to effectively drain rain and snow. Swing door provide easy access and snap-on door handles keep the doors closed tight. Window vents have 5 adjustable angles, providing your plants with a continuous supply of fresh air.
  • Exceptional Stability: For extra stability, you can bury the base feet in soil or concrete, or use our matching screws to secure the base to the board. Both of our ways of securing the base enhance resistance to snow and wind. 10x20 FT: the overall dimensions are 247.1"L x 123"W x 119.4"H.
  • CDCASA Help: Your greenhouse includes comprehensive instructions, and there's also a video guide available. With assistance during key moments, two skilled DIY enthusiasts can assemble this greenhouse within just 4-6 hours. Please be aware that our products will be shipped in five separate packages.

Color: Black & Clear


Brand: CDCASA


Product Dimensions: 247.1"L x 123"W x 119.4"H


Door Style: Swing Door, Swing Door


Cover Material: Polycarbonate (PC)


Frame Material: Aluminum


Closure Type: Manual


Nominal Wall Thickness: 4 millimeters


Number of Doors: 2


Number Of Vents: 4


Manufacturer: CDCASA


Product Dimensions: 247.1 x 123 x 119.4 inches


Country of Origin: China


Item model number: Y8L046-1020-BK-LL-RE888


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jul 2 – Jul 5

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Worth it
Item Shape: 8x6x6 FT - Black & Clear - Upgr...
I got this on a sale and wish now I’d bought a bigger one! I’m very happy. I got the 6x8 and have set it up on two 4x4-post layers which I staked with rebar. This makes it just a little taller . I’m 5’7” and this made a huge difference for me. I would say it’s a bit short and the door is narrow, but it’s a greenhouse. Not an ADA compliant house. A lot of the connections are tension-controlled. So how much you tighten things will change the sturdiness. Bring a lot of patience. It took me a few days to put this together with a few hours a day. There are a lot of smart elements to this design when considering it was made for assembly from two boxes. The roof latch isn’t great, and the vent can get moved around by wind. I might put a stop screw in to hold it. Some of the lateral bars are just held in by being sandwiched between polycarbonate panels. So I’m considering some earthquake strapping for bonus rigidity, installed with self-tapping metal screws. I think this will help when we get some snow this year. As for holding up: endured some Oregon rainstorms, some 20mph winds, and has kept my plants above freezing. But I do have three heat lamps in there. Waiting on my coup heater panel. It’s 36 outside right now and the inside with the three lamps is about 44. Great? No. But it keeps the frost away. I have limes and camomile, mint and strawberries that I otherwise wouldn’t. And my orchids are growing like crazy (I keep them closer to the lamps.) The poly is pretty thin, about 1/4 inch. I was hoping for a bit thicker stuff. But there’s space to double panels in the framing, so I might do that with what’s at the hardware store. I got all the parts plus some extra nuts and bolts. The metal frame is good quality though the connectors take some finagling to get right and figure out where to put the screws. Sometimes I had to take it apart, reassess, and try again. The instructions don’t always tell you which way to install certain bolts (sometimes it doesn’t matter). My only real complaint is that the bar over the door is a 1/4 inch short. That could just be because of the way it went together here. But I couldn’t get the door shut initially. I had to push up on the header bar to get the door closed. Now I just don’t open the door all the way. But I want to slip in and out and keep the heat in anyway, so I’m not upset. It’s a quirk. We all have them. For the price I paid, I would say this was worth it. ... show more
Reviewed in the United States on November 8, 2024 by Amy Amy

  • I recommend it. Takes time to assemble.
Item Shape: 8x6x6 FT - Black & Clear - Upgr...
I’m pleased with the greenhouse for the price point. Assembly takes a good 15 hours. The directions lack some helpful clarification. I mounted it on a foundation of three 2x6 vertical sandwiched between a 2x6 buried in the ground with the top extra decking I had, above ground level. It’s one month and a half dozen high winds later and all is good. I recommend it. Best of luck to you all. ... show more
Reviewed in the United States on March 21, 2025 by George Bockius George Bockius

  • Would be 5 stars if the manufacturer would fix 3 things
Item Shape: 20x10x10 FT - Black & Clear - U...
This product could be a 5 star product if they addressed three issues. The first has been mentioned by several other reviewers. The instructions aren’t very clear and it takes a bit of studying to understand how it’s meant to be assembled. The second issue is that the structure isn’t very stable in high winds (30-40 mph or more). I had 3-4 inches of sway and the center ridge angle bracket buckled during one particular gusty day. I remedied this instability by adding internal guy wires across the length and width walls to both square the structure and add substantial rigidity. This was done by using 1/8” stainless steel cable and turnbuckles attached to the structure as an “x”. Now under 60+ mph winds it barely moves. I feel this should be part of the design especially since most people installing these greenhouses probably live in areas where there’s substantial wind during seasonal weather changes. The third issue is that the side wall panels and roof panels are too short. The sidewall panels appear to be 1/4-1/2” too short. The roof panels are 1/8-3/8” too short. When the side panels are fully seated in the groove in the base, the top of the panel is short of the top groove by about 1/8”. The result is that the panel flexes at the top due to a lack of support by the groove and if you push hard enough, it bows enough for the sides of the panel to slip out of their grooves. The first windy day blew several of the panels out of the walls. I attempted to put a shim in the bottom groove so that the panel would “sit high” in the groove so the panel would engage in the top groove, but it only ends up with about 1/16” of engagement in the top and bottom grooves, which is not enough to prevent the contraction during low temperatures from causing the panel to pop out of the top groove during windy conditions. The roof panels also move and flex with the wind causing them to also pop out of their grooves although they seem to be less problematic than the side panels. I’m making some additional modifications to keep the panels restrained but all of this extra work could have been avoided by providing slightly longer panels. If the manufacturer would remedy these issues, this would be a 5 star product. It’s visually appealing and the overall quality seems to be good. I had all of the parts and no other real fitment issues. Once I’ve secured the side and roof panels from popping out of the grooves, I think this product will last quite awhile. ... show more
Reviewed in the United States on February 19, 2025 by Ethan

  • Nice but assembly difficult to say the least.
Item Shape: 20x10x10 FT - Black & Clear - U...
Nice when completed but putting it together is another matter. The instructions are VERY misleading and not at all helpful. Love the finished product but unless you want to spend DAYS putting it together, would not buy it.
Reviewed in the United States on June 17, 2025 by nancy crow

  • Frustrating
Item Shape: 8x6x6 FT - Black & Clear - Upgr...
I have put together many things with bad instructions, but none compare to how ridiculous these instructions are. The pictures are not helpful and often did not look like the parts that were called for. I finally got it put together the day before yesterday, however, I cannot get the vent to stay attached. Yesterday was windy and rainy and the vent blew off. If I can't get it easily attached again without taking anything apart, or I'm unable to get it to stay attached, I'm taking the rest of it down and sending it back. I also had to go to the hardware store to pick up more nuts for the bolts because not enough were provided. ... show more
Reviewed in the United States on October 31, 2024 by Amazon Customer

  • Cool greenhouse!!
Fun to build, but not for the beginner. Mom loves it. No squirrels eating her bulbs!
Reviewed in the United States on April 24, 2025 by Steve W

  • a LOT of parts but well organized packaging.
Item Shape: 8x6x6 FT - Black & Clear - Upgr...
This is an ERECTOR set assembly. Directions are not great. Multiple "take aparts" to get it correct. Really do need to have a mechanical aptitude to get this assembled. Once together, it is very nice and works as advertised; especially for the price point.
Reviewed in the United States on June 3, 2025 by Amazon Customer

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