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AECOJOY 20' x 12' Gazebo for Patio, Large Wall-Mounted Hard Top Lean-to Gazebo Pergola with Roof 12' x 20' on Clearance, Heavy Duty Patio Awnings for Decks, Backyard

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Availability: In Stock.
Fulfilled by AECOJOY-US

Arrives Monday, Aug 3
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Color: Dark Grey


Size: 12x20


Features

  • 3 parcels containing the gazebo separately, and they may arrive at different times. Please rest assured that any concerns regarding the shipping process will be promptly addressed.
  • Exceptional Load-bearing Capacity: When securely fastened to both the wall and the ground, our gazebo can effortlessly withstand wind speeds of 40-70 mph and snow accumulation of up to 2.4 inches. With an impressive static pressure test rating of 66 lbs/m2, our gazebo is designed to endure heavy snow and challenging weather conditions.
  • Durable Flexible Panels: Unlike delicate hardtop panels, our gazebo features flexible panels that effectively disperse impact and reduce pressure on the roof during severe weather events, such as hailstorms.
  • Installation Guidelines: For optimal stability, we recommend mounting the gazebo against a wall using the provided nails. This pergola is perfect for placement near a pool, hot tub, outdoor dining area, or as an entertainment space.
  • Comprehensive Protection: The awning roof of the pergola covers an area of 240 Sq.Ft., providing protection against harmful UV rays and rainwater.
  • Seamless Service: We offer a 1-year warranty and lifelong, customer-friendly support available 24/7. Our dedicated team is ready to assist you whenever you need help.

Description

AECOJOY dedicated to providing you with top-notch Lean-to gazebos to craft memorable outdoor moments year-round.We provide you with durable, stylish and comfy outdoor furniture that can stand the test of time. From gazebo, you'll find it elevates your exterior living space to the extraordinary. Whether for a family gathering or just a nice sun bath in your back yard, deck or poolside, AECOJOY makes your outdoor leisure time unforgettable. Visit the Store Visit the Store AECOJOY 20 by 12 Gazebo AECOJOY 8 by 8 Gazebo AECOJOY 10 by 8 Gazebo AECOJOY 10 by 10 Gazebo AECOJOY 12 by 10 Gazebo AECOJOY 14 by 10 Gazebo AECOJOY 12 by 12 Gazebo

Brand: AECOJOY


Material: Aluminum, Metal & Sun Panels


Style: Wall-mounted Lean-to Gazebo Pergola 12x20


Product Dimensions: 240"L x 144"W x 96"H


Item Weight: 331 Pounds


Frame Material: Metal


Water Resistance Level: Waterproof


Shape: Rectangular


Ultraviolet Light Protection: UPF 50++


Assembly Required: Yes


Brand Name: AECOJOY


Manufacturer: AECOJOY


Manufacturer Warranty Description: 360-day warranty (including free accessory replacements) from the date of purchase.


Model Number: 12' x 20' Large Gazebo Pergola


Item Type Name: 20' x 12' Gazebo for Patio


Included Components: Wall Mounted Gazebos accessories


Material Type: Aluminum, Metal & Sun Panels


Frame Material: Metal


Style Name: Wall-mounted Lean-to Gazebo Pergola 12x20


Shape: Rectangular


Color: Dark Grey


Water Resistance Level: Waterproof


Ultraviolet Light Protection: UPF 50++


Item Dimensions L x W x H: 240"L x 144"W x 96"H


Item Weight: 331 Pounds


Floor Area: 240 Square Feet


Required Assembly: Yes


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Aug 3

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


  • Sturdy Wall-Mounted Gazebo That Provides Great Shade Sturdy Wall-Mounted Gazebo That Provides Great Shade
Color: Dark Grey Size: 10x10
Pros * Good overall build quality. * Durable materials that hold up well outdoors. * Reduces heat and provides excellent shade during hot days. * Sturdy wall-mounted design feels secure once installed. * Easy to assemble with clear instructions. * Attractive appearance that enhances the patio area. * Great way to expand usable outdoor living space. Cons * Installation may require two people for some steps. * Wall mounting requires careful measuring and proper anchoring. * Not a fully enclosed structure, so wind and rain can still enter from the sides. Overall This 10’ x 10’ wall-mounted gazebo has been a great addition to my outdoor space. The quality is good, it feels durable, and it has held up well so far. One of the biggest benefits is that it noticeably reduces the temperature underneath, making the patio much more comfortable on hot days. Assembly was straightforward and easier than expected. Overall, it is a sturdy, attractive gazebo that provides excellent shade and good value for the money. ... show more
Reviewed in the United States on June 14, 2026 Reviewed in the United States on June 14, 2026 by AC

  • Easy to Customize and Perfect for Creating a Large Patio Space
Color: Dark Grey Size: 8x10
I purchased four of these AECOJOY wall-mounted gazebos to create a covered patio area across the front and side of the house, and I absolutely love how it turned out. They were easy to install and even easier to combine, which made it simple to customize the layout to fit the space exactly how I wanted. The hard top roof feels sturdy and provides great shade, and once mounted, everything feels solid and secure. Using multiple units together worked really well and created a seamless, finished look rather than feeling pieced together. This was a cost-effective way to get a large shaded area without building a full permanent structure. These are great for decks, patios, and backyard spaces, especially if you want flexibility in design. They look clean and modern and instantly upgraded the outdoor area. Pros: • Easy to install and customize • Combines well with multiple units • Sturdy hard top construction • Great shade coverage • Excellent value, especially on clearance Cons: • Installation is easier with two people • Requires proper wall support for mounting Suggestions for improvement: Including clearer instructions for combining multiple units would be helpful. Offering optional side panels or privacy screens would also be a great upgrade. Overall, this was a fantastic purchase. Being able to customize the patio layout exactly how I wanted made these well worth it, and I would buy them again without hesitation. ... show more
Reviewed in the United States on January 1, 2026 by Beth

  • Not a Good Product
Color: Dark Grey Size: 8x10
Was such a let down. This product came with damage and I do realize that has nothing to do with the seller. What is disappointing is the quality of the product. I was expecting it to be much more sturdy. I live in southeastern NC and what decided on this product based on how it described the wind and strength (could hold all this snow-which I don't get but I figured it much be a great structure). The roof tiles are no more that flimsy tiles. They reminded me of a yard sale sign that has the holes for the metal stakes to slide in. Upon seeing the image to the pole and to one of the flimsy roof tiles, I rebooted it and wanted to return it. It was bought through a 3rd party Amazon store. They contacted me via Amazon messenger and I described the issues I was having. I took pictures of the outside of the box to show where it has been damaged in several places and described the damage to the product. This dialog went back and forth 4 times with them responding with the same answer. They wanted me to unpack the box again and take pictures of the damage where then they could decide how to best deal with it. I eventually just said I wanted a refund and wanted to ship it back. I took to UPS to send back and shipping was over $229 so I decided to not ship it. Now I am stuck with a product that I am VERY unhappy with and it damaged. ... show more
Reviewed in the United States on September 27, 2025 by brenda swartz

  • Seems good for the price, had to buy additional hardware. Seems good for the price, had to buy additional hardware.
Seems like a decent patio in a box for the price. Shipping was pretty fast, received it a few days earlier than what was estimated and it was fairly easy to set up. I did it by myself. Didn't time myself, but it was probably about 8 hours altogether. I put together all of the individual assemblies in the living room on one day, then another day I took it outside and assembled everything together. It's pretty straightforward, I would recommend reading through the instructions and looking at the pieces to make sure you understand how everything goes together before starting. Also, make sure you have the right pieces. There are several reasons that I'm only giving 4 stars instead of 5. The main one being that some of the included hardware sucks and I had to get a few things from the hardware store. I also had an issue with needing more parts. I had four of an item I was only supposed to have two of, and zero of another item that I needed two of. If you have an issue, the best way to contact the company is sending a message through Amazon. I first went straight to the companies website and never received a response, got one that night through Amazon. It is somewhat frustrating due to the time difference when dealing with a Chinese company. I would message during the day and get a return when I was sleeping, it was one message a day for about five days before they said they would ship the parts out. In the end they took care of it and all was good, just required some patience. There were two problems I had with the hardware, the first one being the waterproof washers. There's these wide rubber washers held down with a tiny headed bolt going into a big hole. The washers were being cut and deformed to the point where I felt like there was no way they would seal anything so I went and bought some fender washers to go between the bolt head and them. This covers the rubber washer and puts even pressure on them preventing them from deforming. I feel either some painted fender washer or truss bolts with bigger heads should have been included to properly hold down the rubber washers. The washers I have dont match the rest of the assembly, but it's on top and unseen, so no big deal. I got the adjustable height patio that attaches to the house instead of having legs and the hardware they included to do the attaching is concrete anchors. I do have a brick house, but am attaching to the fascia so had to get some lag bolts. I would imagine that most people are attaching to wood and not brick, dont see why they couldnt throw in a few lag bolts also. I also had to flip the brackets that attach to the house. I had a strict height I was working with, and the installed height is a little taller then what was specified in the description. Flipping the brackets got me within the height I needed. I should have gone with a slightly smaller one, this one extended about 20 inches past my slab. I put down two rows of paving stones to fill it in. I bought 18 inch yard anchors that I put into the ground under the pavers then drilled holes in the pavers to bolt through into the anchors. Would be nice if they included some kind of cover to go over the bottom mounts and make it look a little better. Overall I'm happy with it for the price. Looks decent and seems stable. I plan on putting some LED strip lights around it and putting up a bug screen with the adjustable poles, maybe some kind of fan also. Just have to see how waterproof it is. It butts up against the fascia underneath the shingle lip so I'm not sure if I'll have to come back and either caulk it or use some kind of weatherproof tape. ... show more
Reviewed in the United States on November 9, 2025 Reviewed in the United States on November 9, 2025 by M. Michel

  • Does the job and definitely worth the price Does the job and definitely worth the price
Color: Dark Grey Size: 10x14
Very good quality materials. Fast delivery. It was time consuming to put together, but the directions were easy to follow. It took about 4 hours to complete with myself and 2 easily distracted teenagers. We had 30 mph winds the day after we put ours up and it held up well, but I would ABSOLUTELY NOT recommend having this set up without it being anchored in someway as it swayed with the lightest breeze. The base of all five post have four holes that you can attach screws and anchor to your deck. There are also three options on the tall side where you can anchor it to a structure easily. Due to the placement of the back door and windows on our back deck, we needed a little more height so we had a 4x6 post cut at Home Depot to 6 1/2 inches long, spray painted them the same color as the frame, and anchored them to the deck, and the screwed the base of the poles to the blocks. It is extremely sturdy. The taller side against the house only had two poles versus the three poles on the shorter side which did cause a very little bit of sagging in the middle of the tall side for the 10x14 we purchased. However, this was easily corrected Once we use the included anchor and attached it above our windows. I have had rain since we put it up and it has been completely waterproof. I am 100% satisfied with this purchase, and think the price point is perfect. ... show more
Reviewed in the United States on May 3, 2023 Reviewed in the United States on May 3, 2023 by S. Marla Higdon

  • Decent Pergola Despite Frustrating Build
DISCLAIMER: I bought the 10x12 adjustable height option and due to my low roof, to meet the 98" height requirement for setup, I attached the pergola to my roof using roof brackets which I bought separately. This may or may not affect the integrity of the build, though after reading other reviews, I have had shared issues which I will detail below: First, the instructions are not very helpful as others have pointed out. However, if you have built any large IKEA furniture, you will be able to do this project. Take your time, read the directions carefully, and please have someone on standby for install. Second, the two posts look wonky and it was a little bit of a struggle getting the screws to go all the way through the pre-drilled holes. I did have to use a power drill. I constantly am looking at how to keep them straight, but any force can move the posts if you don't have them anchored. Third, the hardest part of the install IMO was the roof panels. I ended up having to cut off about an inch from one of the panels because despite it being fit where it needed to go, it was somehow too long for me to complete the edging. I am just going to try my hardest not to look up anytime I am under the pergola to see the slightly misaligned piece due to this long panel mishap lol. The Pros: This thing was CHEAP compared to all of the other options I was looking at, and to be honest, it is a sturdy, good looking pergola. I live in the PNW and so far it has stood up against heavy rains and a bunch of pine needles from nearby trees. I do notice the drainage system working as the water goes through the product at certain points and the water gets drained at the low end of the roof panels. The main reason we wanted a pergola was to extend our life outside during the rainy season and so far we've been able to do just that. ... show more
Reviewed in the United States on October 20, 2025 by Helen B.

  • Very sturdy and nice quality!
Color: White Size: 8x14
Very very happy with our new pergola! Arrives quickly in 2 cartons, which arrived separately on different days. It definitely is a bit trying to install- lay out and organize all the parts before starting. So far, seems very sturdy and does a nice job giving us a shady usable back deck now! How it will hold up over the upstate winter is TBD, but for this price, quality is awesome and we are happy with purchase! ... show more
Reviewed in the United States on May 24, 2026 by NY4

  • Flimsy headache that should be avoided if you have literally any other option.
It showed up ahead of schedule, which was honestly the peak of my experience. The pieces don’t fit well into each other, there is just a weird conglomeration of supports that are implemented in a way that seems like it was a last minute thought. The structure itself is an overcomplicated web of flimsy cross supports and screws that could possibly be made of aluminum. If I didn’t bolt the brackets to my wall very early in the process I would’ve returned it. But it’s fully assembled and it looks like the pictures, so I will reluctantly give this two stars strictly based on shipping time and the bare minimum that it looks like the pictures. Otherwise I would never recommend this to anyone. ... show more
Reviewed in the United States on May 16, 2026 by Joe

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