U-MAX Greenhouse Polycarbonate Outdoor Garden Greenhouse Walk-in Portable 4'(L) x6'(W) x6.6'(H) Adjustable Roof Hot House

What an absolute nightmare! If you value your marriage, do not set this up with your spouse! This took hours to assemble. We had to walk away from it in our garage one day because it was so frustrating. The instructions are okay in some parts and very confusing in others, so make sure you closely study them or you will be trying to sort it out while you have someone holding a piece up. It’s almost impossible to square up the side bars on a flat surface. Once you get one part squared up and level, the other corners won’t stay right. Some of the bars came bent and didn’t straighten well, and one of the rails for the clear panels was not wide enough for the clear panel to slide into, so we had to use a flathead screwdriver the bend it wider to allow the panel in. The easiest parts to assemble were the door and roof vent, and it went downhill from there. If you get this, make sure you have 4 people to put it together. The whole thing is flimsy and will bend if you don’t have someone to hold pieces upright. We really should have just spent the money to build one from scratch. The building of this is the number one worst thing my husband and I have ever put together.

We ended up bolting this greenhouse on our south side of our house for extra stability, it was incredibly flimsy during the setup but once everything was in place it held up great!

Assembly is VERY difficult to sort out, and takes several hours. I have pretty good experience with assembling all sorts of furniture and structures on my own, and this was definitely the most difficult I've encountered. Directions are a bit difficult to follow, and pictures sometimes help but sometimes make it more confusing. I was able to get it together on my own, but over the span of a few days. As others mentioned, do NOT attempt to assemble on a windy day. It may also help to have a solid structure, like a fence, to hook in to/lean it against, at the spot where you're assembling (or a second person to continuously hold it up) while getting it together. Until the panels are in place, the frame is fairly flimsy and will bend, twist and fall readily.It has been up for about 10 months. I was considering giving 1-2 stars, but it actually surprised me when some heavy snow didn't take it completely down.The panels are fairly strong, which is good because even moderate breezes will pop them out of the tracks and send them flying around the yard. This is my biggest issue: the panels DO NOT STAY in place, have all come out multiple times, and one popping out creates just the right air flow and pressure to pop out multiple. I've gotten well-practiced at taking the gutters off to replace the side and roof panels, over and over again. Just recently I got some green duct tape to try salvaging it for another season by taping down all the panels. They're holding a bit better in the wind, although a couple edges I hadn't yet gotten to have popped out yet again. But at least they're not flying around the yard.I don't forsee long-term use, but maybe at least a couple more years?

I like the size for my yard, I like the warmth that it holds, and so far my plants are thriving. I did not like the paper instructions. They were mostly pictures. The few written instructions were very hard to understand. The video tutorial helped a lot, but I think it would help if the video moved slower so that you don't have to keep rewinding to see the small details. There were a few steps where we missed dropping the correct number of screws,, and had to take pieces of the greenhouse apart as we got further along. There are some steps in the paper instructions that don't match the video.. A live video watching someone put the greenhouse together as they explain helpful tips would be even better. Also maybe add a Latch for the sliding door and the window to keep it closed on windy days. I had to use bunny cords. Don't leave the window open on windy days, the side panels in my greenhouse flew out some kind of way..

Unfortunately this greenhouse is not sturdy at all. First of all, it took 8+ hours to put together, and after all of that hard labor I’m afraid it’s more like a house of cards. Many of the plastic pieces have blown out several times and we’ve only had it assembled for like 2 weeks. One blew so far away that we haven’t been able to find it, suspect it blew into a neighbors yard. Very bummed about this greenhouse and hoping the company will refund my 300 buck since it’s rendered useless at this point.

I am giving this item 5 stars, despite the fact that I nearly lost my sanity assembling the thing. I am using this indoors, so I did not use the base. The assembly is best done by two people, though I did manage to do the bulk of it by myself (I had help for the first part.) My best advice is to give yourself plenty of time to get it together, and realize that it may be a multi-day project. Now that it is finished, I genuinely love it! It's sturdy, it looks very nice, and is exactly what I need for my indoor garden. I did a lot of comparison shopping, and actually bought this months ago, and finally got around to assembling it this week. I don't know how well it would hold up in heavy wind, but it seems pretty solid to me, and I imagine that with an anchored base, it would probably be fine. I have a second one I still need to assemble, and I think it will go together much more quickly. I didn't realize there was an assembly video, and I wish I had know, because that likely would have helped. Overall, I'm quite satisfied with this greenhouse, and think it was a good value for the price.