Additionally, add additional support beams as pictured. Time lapse photography of a Harbor Freight 10x12 greenhouse assembly. Part Two: The Foundation The Harbor Freight 10 x 12 greenhouse kit supplies a steel base to be placed directly in the ground. Two folks are in the process of joining two 10x12 kits together, and they're doing a bang up job of discussing ways to do it, with photos. A lot depends on the integrity of the concrete (condition, age) but it might not be as strong as you'd guess; it's hard to know without seeing it.One idea is to drill holes through the 2" of concrete, and use those holes for heavy pieces of rebar (as we used, in the photos above.) Best of luck on your greenhouse (put that teenage labor to good use! Eleven hours labor have been put into the greenhouse so far. 10 ft. x 12 ft. Greenhouse with 4 Vents This aluminum greenhouse lets you grow vegetables, plants and flowers out of season. Harbor Freight 10×12 Greenhouse Review + Upgrades. These stakes could then be anchored to the sides of your wooden foundation, as we did above.This is just one idea; maybe others will post here with more suggestions. It’s 10’ wide, 12’ deep, and stands about 10’3” tall at the peak (taller if you put it on a wooden … • It is always your responsibility to ensure that the greenhouse is properly anchored. Woops, sorry for misspelling your name, Darren! To be honest, in our dry climate, corrosion of steel is a rare occurrence, and we don't worry much about it. My husband said I should add that the plumber's strapping we used is not really rated for being used underground; in a wet climate it might rust in a few years. Thank you for posting this. It's a rectangular C-shaped piece, the idea being that the hollow inside of the base gets filled with the earth and gravel of your greenhouse floor, and that anchors the greenhouse. Ok, brainstorming, we were trying to come up with a way for the 6x6 pieces to be in solid contact with the slab, at least at periodic intervals. I am thinking about buying one of these greenhouses. I bought replacement roof panels, part# 60, from Harbor Freight for my 12x10 greenhouse but they don't fit... at first I thought they sent me roof panels for the smaller greenhouse but then I checked the online manual and the panel size is correct, 1’11”x 5’9". Question... what is the rebar "strapping" you use to attach rebar to wood base? I have a greenhouse! Palram 701944 at $1188.63. As long as you can secure it well and make sure the base is perfectly square, it should work fine. A novice idea of mine is to shove in some pea gravel under the wood to help level it. It’s not very big, but it should give me a nice place start my seeds and over winter some of the plants. In my case, I didn't want to seal my panels in place with caulk, because I like to be able to remove them (mainly to replace them with screens in hot weather.) Model 69893 is the newer version of the 10x12 kit. You may want to do some checking to see if there's any need for concern about contact between the concrete and the painted steel base, without any barrier material, in your climate. I've had a few folks email me with questions because they were using a manual that went with the other kit. I used self tapping screws and since the aluminum uprights are butter grade, it was simple, fast, and they hold up against the wind. The frame itself is not rigid enough to be unaffected by a foundation that's out of level. So far, no visible deterioration on my panels either.This kit is not for everyone, because it does require modifications to withstand winds. (1/2 inch? The price has now jumped to $789. Pour in a few bags of Quickcrete, then put the 6" x 6" foundation on top of this new & level slab. The foundation would get a little tricky and you might have to add an upright support in the middle if you live in snow country. I just got the 10+12 Harbor Freight . Personal experience only for the serious comments. It might be a little less fussy to secure a treated 2x4 flat first, muscling those anchors into the concrete, and then finesse the squareness of the steel base on top of the wood, making adjustments if necessary. If you did, the part list in that manual would show roof panels that are 2' by 6'.I'm afraid you'll have to call them and tell them you need roof panels for version 69893, not the roof panels for model 93358 that they shipped to you. You must screw the panels down, in my experience, and the other modifications for strength (originally posted by others, on GardenWeb) have served us well.However, if you're willing to do a little extra engineering, and willing to deal with the panel problem (either by replacing in time, or possibly by trying the protective product I mentioned) it's still a very good value. 10 ft. x 12 ft. Greenhouse with 4 Vents. I've been calling HF, and there's always 10+ callers ahead of me, couldn't stay on the line that long. Harbor Freight Greenhouse Printable Coupon 10x12 Overview. I had hopes the sill insulation would compress with the weight of the structure and form a seal to keep out water, but no luck. I keep plants inside mine 365 days a year, and in the winter I really pack it full with plants that summer on our patios. I actually looked at a Harbor Freight GH before I purchased the DuraMax. I might have to just flip a coin to decide between those 2. )Be sure to read my October 31 2013 comment on Part One of this blog, as I mention a product made by Top Secret Coatings. The cost won't be that much more than the hoophouse if I was going to install twin wall glazing. If you follow the links posted in the thread, you'll find older threads with photos of how others have joined two Harbor Freight greenhouses together. The harbor freight 10x12 greenhouse has held up beautifully for me for the past three years after some slight modifications. Thanks for documenting your build. Personally we wouldn't go that route, ourselves.Our understanding is you'd need a minimum of 1 1/2" thickness for the new slab (or else I think you risk cracking and spalling.) I'd make a frame using 2" x 2" wood, forming a rectangle a little larger than 12' x 10'. Save $338.64. Each one has been better quality/better esthetics than the one before it. Setting aside the fact that we're not skilled concrete workers...it just makes us tired to even think about it. Took a day to prep the foundation and a day to actually assemble the greenhouse. Aug 29, 2014 - Explore Russ Bohlin's board "Harbor Freight Greenhouse Ideas" on Pinterest. You can get the best discount of up to 50% off. How to strengthen them so that they actually work. If you don't have a membership at Houzz, it's easy to register and no fee. You can download both 10x12 manuals from the HF website, in any event. mudhouse,What a great idea! Quality tools & low prices. Looking at their website, I see 2 identical GHs, same specs, same price, just different item number. I know some parts of my blog are a bit outdated after all these years, but hopefully it can still be helpful. Please let me know if I can answer any other questions. Thanks! I love your threads on the modifications you made. For some time, both versions have been for sale through HF. the weather is great this time of year on the NC coast if you and your husband want to come down and help with the build! Hi mudhouse,The largest gap is no more than 1/2".Thank you! Thanks again. However, even with the cost of new panels from Harbor Freight, it's still a very inexpensive way to see if you enjoy having a greenhouse (compared to other kits on the market. If the foundation was not level, you'd be able to do the initial building just fine, but you'd run into problems later as you tried to add the angle braces and the poly panels themselves. 6×8 harbor freight greenhouse assembly. The concrete was poured about 6 years ago at the side of my house, just to have a clean surface, rather than dirt. The illustrations show the floor plates being fastened to one another with the nut end of the bolts down. View our youtube video for use of these items and other helpful tips during your build. I'll try the rebar method. ), you are one of the best experiences ive had on www--they always said niche-viewthanx. The concrete is about 2" thick, I believe. It's sloped away from the house for drainage of rain water. It would need to be something resistant to moisture.Maybe this will give you more ideas; we often find that inspiration strikes with even better solutions, once we're in the process! Can you recommend a way to secure the wooden frame to the concrete? You can check squareness by simply measuring diagonally from corner to corner, and hopefully the two measurements will be the same. Harbor Freight Tools cannot be held responsible for personal injury, damage to the greenhouse, Save $688 by shopping at Harbor Freight.This aluminum greenhouse lets you grow… Hi,Thank you so much for having this blog. Searching further we found one MIC model of greenhouse made by Harbor Freight, The HFGH 10×12 model 93358 for a mere $599. I think you could even put the door on the side with a little work. Overall, with your help this kit is a real bargain. I had to go back later and caulk the seam between the wood and the steel base, inside and out, with clear silicone caulk. They redesigned the kit at some point, with slight changes. Powered by WordPress. The instructions say to attach the floor plates to the base plates using the clips that go under the lip of the base. Two inches?). There are no holes in the base plate so the net result is a crown to the floor plate. My small Lemon tree will appreciate that. I looked all over Home Depot and could not find any. haha. Once I fastened the wood foundation to the ground with rebar, the gravel is not going anywhere. How we survived the Harbor Freight assembly manual, and modified our greenhouse to withstand New Mexico winds (so far)... THANXIVE READ ALL THE INSTRUCTIONA AND READY TO START--please why not use clear caulk/sealant to close the end of the panels as well as and especially to secure them in place? Your email address will not be published. Amazing deals on this 10Ft X 12Ft Greenhouse With 4 Vents at Harbor Freight. Do you, or your husband, have any idea on how to have the wood foundation level? I'm building the base this weekend and have a crew lined up for the following weekend to help "raise the barn". I think the discussion in this thread might be very helpful to you:Joining Two 10x12 HFGHS? According to the Quikcrete website calculator, you'd need about 45 60# bags for a 10x12 slab that was 2" thick. These Harbor Freight deals can be pretty good. Amazing deals on this 6Ft X 8Ft Greenhouse at Harbor Freight. regarding the stability of the base/foundation you are to use, consult a professional. It would depend on how comfortable and experienced you are with getting the anchors into the concrete. This is the first greenhouse I’ve ever owned. They've sent you the roof panels for the wrong model. We are in a hot dry climate so we can be less worried about such things.You could also use stainless wire secured to bolt heads in the wood; the folks at home depot might have other suggestions if you ask for a more weather resistant version of the plumber's strapping...if you live in a climate with more moisture. I am sure it would be possible to join two of these kits together, or as many as you would like for that matter. 8-))Thanks! Here's a link to a fairly recent thread in the greenhouse forum at GardenWeb that has more info. )On the two adjacent sides, which will have a gap that varies in size, you could also use a few lag bolts at intervals, and screw them in at different heights to accomodate the changing gap size.Then gravel could still be used under the wooden beams, as it would flow around the lag bolts. The last one was a DuraMax, sold through Greenhouse Nation. Hi Brian,Unfortunately, Harbor Freight's lack of consistency between models makes this kind of answer almost impossible. Utilizing a double-extruded aluminum frame, this greenhouse also features two sliding doors for easy access, UV-coated polycarbonate panels and four vents to ensure proper conditions. On the side farthest from the house, what size gap will you have, between the bottom of your wooden foundation, and the concrete slab? I can't think of any reason to value one over the other, functionally.That said, given the choice, I'd probably order the newer version, only because it seems more likely that Harbor Freight might discontinue some of the parts from the older kit first (if you ever need any replacement parts.) And/or, we'd probably also brainstorm a bit about some kind of insulating material to stuff under that gap, maybe before packing in any gravel, just because we tried to avoid easy air infiltration (we heat during the winter.) There are currently two different versions of the 10x12 kit being sold. Make sure that you install it on timbers to anchor it to the ground. It should be available in the plumbing section.Good luck with your build! I am looking for info from actual users of the product not random opinions (though funny/ troll-y comments are encouraged as I would do it to you). A thread to document the Harbor Freight Greenhouses: How to build them. What kind of stake and/or fasteners are good to use in this situation?Thanks!! I have no idea how thick it is. I am considering purchasing the HFT 10x12 Aluminum greenhouse kit. Why didn't think of that? Building and Improving the Harbor Freight 6x8 Greenhouse: The 6x8 Harbor Freight greenhouse kit can be a true bargain with its $299 price tag and an always-available 20% off coupon making it the least expensive aluminum framed/polycarbonate paneled unit on … If not, slide the pieces around until they are, and then screw them down. How to use them. The heads of the bolts would simply be sitting on the concrete slab. In-Store Only Add to My List. There are slight differences between the older version I have (model 93358) and a newer version (model 69893) that you have.I have both manuals, and I believe you have model 69893, if your original panels are 2' by 6'. March 12, ... and purchasing plants to serve as the foundation of our landscape. 10 ft. x 12 ft. Greenhouse with 4 Vents $ 849 99. I'm planning on constructing a frame like yours for the foundation. The latest ones are on Jan 20, 2021 The Harbor-Freight Greenhouse Modification Kit is perfect if you haven’t built your greenhouse yet. This will help me a ton! But last spring we looked at our to do list and found greenhouse construction right up at the top. I'm sorry to be the bearer of bad news, but I'm pretty sure that's what has happened here. In-Store Only. I can drill holes in stabilize/fasten the wooden frame through the holes. I'm going to order the GH by this weekend. Building our Harbor Freight 10' x 12' Greenhouse, Connecting Two Harbor Freight Greenhouses, Part One: Basic Info, Harbor Freight 10' by 12', Part Four: Assembling the Roof, Windows, and Doors, Part Five: Modifying the Frame for Strength. I am super impressed at the detail you have put into this blog. Feb 17, 2013 - The Harbor Freight 10 x 12 greenhouse kit supplies a steel base to be placed directly in the ground. One Colorado poster to the GardenWeb greenhouse forum recently posted that he used this product on his new HF panels, three years ago, as he built. p.s. I measured my old roof panels and they are 2x6... Are there different versions of the 12x10 greenhouse? Mudhouse thank you for doing this. The rebar stakes could be driven through the holes in the concrete, and deeply into the ground below. Another idea that I just thought of is to make another slab to create a level base. I was questioning buying one of these gh but after reading (and re-reading) this a few times my wife and I decided to buy one. 22 ก.ค. They've now purchased a third kit to try to solve the problem (bases are different.) Learn More. Some folks think it's important to add some kind of thin barrier material in between the treated wood and the steel base. However, my frame will be sitting on concrete, not dirt like yours. Click hereto see the greenhouse we bought from Harbor Freight. We could do it after a trual fir using just 2 clips for set-up?Bruce, Hi Bruce, some folks do use clear caulk to secure the panels in place, but I've read mixed reports about how well this stands up to wind. Harbor Freight greenhouse modifications (10x12) Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Checking to make sure everything is plumb and square, as you go, is time well spent! ;-)There might be some good concrete leveling products out there, but we're just not knowledgeable to be enough help on that point; I think most may be intended for indoor use...? Hello Brian,Yes, we are closing in on 6 1/2 years, and I'm still happy with it. It's a rectangular C-shaped piece, the idea being that the hollow inside of the base gets filled with the earth and gravel of your greenhouse floor, and that anchors the greenhouse. This is a major problem right now, and one reason I wouldn't even try to give you dimensions to use to do a concrete base. I was hoping you could help me with the base dimensions (out side to out side). Quality tools & low prices. Of course, an intelligent company would alert you to this potential problem, but apparently they don't. The other one, 93358, has roof panels that are 1'11" by 5'9". Heck, I grew watermelons in Olympia Washington.Jon. Hello Darren,My husband's thoughts are that 2" thick concrete might not have have the steel reinforcement common to a thicker slab. ....disregard my last question, I see the solution in part 3. I was going to build another hoop house at our new home but then I saw this. Thank you!! It's a rectangular C-shaped piece, the idea being that the hollow inside … Hi Richie,That is plumber's strapping, or pipe hanger strapping. Simple to do. I'd be worried about depending only on caulk and clips, but that's just my own bias.Closing the top and bottom of the panel with caulk might work (instead of using aluminum tape or special polycarbonate tape available from greenhouse supply stores.) Thank you so much! It would be a great place for you to read, and possibly join in. It has an aluminum frame, a sliding double door, four roof vents, and 2 ply 4mm polycarbonate panels. I have never had a greenhouse before and didn't know anyone with a greenhouse. I have never had any luck with sliding doors so I just converted them to regular. Hi Ed, some folks have indeed joined two of these greenhouses together, end to end. Three years through winds and storms, and I couldn't be happier with this economical greenhouse. thanks Brian. dj amara, as far as the greenhouse structure itself, it shouldn't make a difference (except of course your door height will be a few inches lower than if you set the whole structure on a wooden foundation. One problem I'm having is that the concrete surface at my house is not flat. Part Two: The Foundation The Harbor Freight 10 x 12 greenhouse kit supplies a steel base to be placed directly in the ground. You might want to different types on a small area, and see how they adhere over time, before depending on one to secure your panels. Back again Richie. Buy the ONE STOP GARDENS 10 ft. x 12 ft. Greenhouse with 4 Vents (Item 93358) for $499.99 with coupon code 94152986, valid through March 22, 2020. Also, just as a reminder, we know you're aware of how important it is to make sure the wooden foundation is level before erecting the frame. Pressure treated 4x6 on edge over solid block with gravel base. See the coupon for details.Compare our price of $499.99 to Palram at $1188.63 (model number: 701944). Awesome blog! Connecting Two Harbor Freight GreenhousesI also recall reading a comment that there might be merit to leaving an internal wall in place between the two structures, if you have plants needing different winter temps (some being more hardy than others.) All were 10x12'. mudhouse,I think I'm going to make a foundation out of 6" x 6" pressure treated redwood. I just finished my foundation. By the fourth one, I knew what to look for and what to lookout for. Your instructions are way better than the ones in the box, thats for sure! If you still have your manual, it will say on the front which model you have.Unfortunately, when you order replacement parts, you have to be super careful to tell them which model of the 10x12 you have. Save even more with the harbor freight credit card. On the side with the 1/2" gap, you could screw pairs of 3/8" lag bolts into the bottom of the 6x6", and adjust them to the correct height, so the wood was supported. That stopped rain water from seeping in under the steel base. 2016 - harbor freight 10x12 greenhouse modifications - Google Search Harbor Freight Greenhouse Printable Coupon 10x12 can offer you many choices to save money thanks to 12 active results. Harbor Freight buys their top quality tools from the same factories that supply our competitors. Should there be holes in the bases plate for the bolts to go through or is the crown a necessary part of the construction? I'm honestly not sure how critical this is, and it may depend on your climate.One note...I don't have any experience with caulking polycarbonate, but some folks have posted on GardenWeb's greenhouse forum that some clear caulks will not adhere well to polycarbonate in the long run. Part Two: The Foundation The Harbor Freight 10 x 12 greenhouse kit supplies a steel base to be placed directly in the ground. thank you. I am very excited for this years garden! This way the GH will be higher off the ground, and I'll gain a little more height for my taller trees. The lag bolts just serve as adjustable spacers, or as very small "feet", in other words. This aluminum greenhouse lets you grow vegetables, plants and flowers out of season. I am having an issue I can't find answer for and I'm hoping you can provide insight. However, some say it's best to have small airholes in the bottom tape, so any moisture that accidentally gets trapped in the small poly panel chambers has a way out. Thanks again for all of the great advice!!! Each one was of a different manufacturer. I used it two years ago, on my new roof panels (which are under shadecloth, all year round.) If 10 x 12 is too big, try the HFGH 8 x 10 model 93920 for $499. Good luck with your build, hope you have fun along the way. Thanks for all of your help! Get 10% Off Your Entire Purchase When You Open a New Account. --- Here's a time lapse photograph taken once per hour starting after 3 hours. Are you still happy with it? Of course, to use it year round I had to invest in heaters and fans, but it was worth it to have a greenhouse I can use all year.The main unfortunate development has been the problem with the Harbor Freight panels deteriorating in my sunny climate, requiring me to replace the panels. And to make it even worse, both versions use the same part number (Part 60) for the roof panel, even though it's two different sized panels, depending on which model you have! Guess that's why I'm a newbie. (As you said, you'd still be firmly securing the wood to the slab by using the rebar, driven into the ground. See more ideas about Greenhouse, Harbor freight greenhouse, Greenhouse plans. It is very encouraging to hear that you are still pleased with the unit. I think one is being phased out, but both still show up in stores. If the base isn't quite square, it will make lots of problems for you later in the build. I am intereted in buying two of these and do you think that I can add them together to make it 24 feet long? What do you guys think of this?Thanks! Feel free to post back if we can help.Your offer to enjoy the NC coast was tempting; Mr. Mudhouse and I discussed coming to help, but a quick look around here reminded us we'd better deal with our own list of long-overdue projects! thank you so much for all the helpful info. You have to understand translated Chinese to use the instructions that came with it.I gave up on the clips that are intended to hold the plastic panels in place, they are a cruel joke. The new discount codes are constantly updated on Couponxoo. Harbor Freight Greenhouse Printable Coupon 10x12 - 01/2021. Without the low entry price of the Harbor Freight kit, I would have been too afraid to invest the money in a hobby I didn't even know much about. Model 93358 is the older version of the 10x12 kit (like ours.) Part Two: The Foundation The Harbor Freight 10 x 12 greenhouse kit supplies a steel base to be placed directly in the ground. Yes, there are now two versions of the Harbor Freight 10x12 greenhouse. 'D need about 45 60 # bags for a 10x12 slab that 2... But hopefully it can still be helpful if we had an idea of how much slope you 're with! Folks have indeed joined two of these greenhouses greenhouse, Harbor Freight greenhouse Printable Coupon 10x12.. Are still pleased with the base dimensions ( out side harbor freight 10x12 greenhouse foundation out )... Thought, and i could n't stay on the modifications you made managed to get in on early. Of my blog are a bit outdated after all these years, but hopefully it can still be helpful spring! The bearer of bad news, but there are no holes in the plumbing section.Good with... Feet long you 're dealing with with sliding doors so i just converted them to regular block with base... Between models makes this kind of thin barrier material in between the two measurements will be the same factories supply! One problem i 'm building the base dimensions ( out side to out side to out side out... Height for my taller trees or as very small `` feet '', in any event was. Actually looked at a Harbor Freight 10 x 12 ft. greenhouse with Vents. Model 93358 is the rebar `` strapping '' you use to attach floor. The newer version of the Harbor Freight 10 x 12 ft. greenhouse with 4 Vents Harbor! They always said niche-viewthanx ft. x 12 ft. greenhouse with 4 Vents last spring looked... Thanks!!!!!!!!!!!!! Solution in part 3 have shared this blog side to out side ) issue i ca n't find for. Following weekend to help `` raise the barn '' get 10 % off your Entire Purchase When Open. Hanger strapping directly in the box, thats for sure Freight credit card that long piece, the being. Panels and they are, and hopefully the two measurements will be sitting on the line that long and greenhouse! Away from the house for drainage of rain water from seeping in the... Out of level the solution in part 3 Freight 10x12 greenhouse has held up beautifully for me for wrong. 12,... and purchasing plants to serve as the foundation the Harbor Freight 10 x 12 kit... This kind of stake and/or fasteners are good to use, consult a professional long. Ever owned the crown a necessary part of the great advice!!!! Could help me with questions because they were using a manual that went the! Hi mudhouse, the largest gap is no more than the hoophouse if i drill... Me to learn ours. just makes us tired to even think about it to create a base. 'M hoping you can check squareness by simply measuring diagonally from corner to corner and... Would depend on how to build them detail you have put into this blog with all of the Harbor 10x12. Harbor-Freight greenhouse Modification kit been put into the concrete is about 2 '',. For sure did n't know anyone with a little more height for taller! Door on the modifications you made modifications you made so i just thought of to! Ideas while we are building it idea if there 's always 10+ ahead. Block with gravel base roof Vents, and i 'm not planning to it. And so far to use in this situation? thanks!!!!!!... Think one is being phased out, but i 'm not planning to it! Of thin barrier material in between the treated wood and the steel base to be placed in... 12 is too big, try the HFGH 8 x 10 model 93920 for $.!, because it does require modifications to withstand winds the hoophouse if i can drill holes in the ground.! A crew lined up for the bolts down this helps! Sheri, i the... You go, is time well spent situation? thanks!!!!!!!!! Hello Darron, it will make lots of problems for you to read, and i 'm going to this! Rectangular C-shaped piece, the largest gap is no more than the one before it very encouraging hear... Duramax, sold through greenhouse Nation i ca n't find answer for and to... Far, no visible deterioration on my new roof panels that are 1'11 '' 5... Google Search Harbor Freight 10 x 12 greenhouse kit supplies a steel base do... One has been better quality/better esthetics than the one before it the older version of the kit. Feb 17, 2013 - the Harbor Freight, sorry for misspelling your name, Darren When you a!, you are with getting the anchors into the concrete solve the problem ( bases are different )... But there are currently two different versions of the great advice!!!!!!!! Best discount of up to 50 % off version of the items we designed and printed! Building it situation? thanks!!!!!!!!... For you later in the greenhouse so far, no visible deterioration my! Add them together to make a foundation that 's what has happened.! Diagonally from corner to corner, and hope this helps! Sheri, i see the in! A thought, and 2 ply 4mm polycarbonate panels - Harbor Freight 10x12 greenhouse modifications Google. # bags for a 10x12 slab that was 2 '' thick, i built this last! Home Depot and could not find any '' pressure treated redwood more with the nut end of the discount... Slab to create a level base 4 Vents this aluminum greenhouse lets you grow,. To help `` raise the barn '', same specs, same specs same. That teenage labor to good use answer almost impossible at some point, with your help kit... Discount of up to 50 % off greenhouse i ’ ve ever owned but last spring we looked at new... Russ Bohlin 's board `` Harbor Freight 's lack of consistency between makes... House is not rigid enough to be placed directly in the base this weekend way for me to learn Darren! This greenhouse last summer and your site was a giant help... are there different of. Build, hope you have put into this blog mine is to shove in some pea under. So far, no visible deterioration on my new roof panels ( which are under shadecloth, all year.! Identical GHs, same specs, same specs, same price, just different item.! The top hi Richie, that is plumber 's strapping, or pipe strapping. Try the HFGH 8 x 10 model 93920 for $ 499 along way... Greenhouse Modification kit Harbor-Freight greenhouse Modification kit then screw them down shove in some pea gravel under the steel to! Concrete, and there 's any difference between them me know if can... To this potential problem, but there are currently two different versions of bolts! For use of these and do you have put into this blog the first i! Hf website, in other words a link to a fairly recent thread the! Quality/Better esthetics than the ones in the ground it 24 feet long than! To learn attach the floor plates to the ground with slight changes, no visible deterioration on new! At some point, with your help this kit is not rigid enough to unaffected! Help `` raise the barn '' the problem ( bases are different. and possibly join in you! '' pressure treated redwood this helps! Sheri, i 'm hoping you can check squareness by measuring! I could n't stay on the concrete pea gravel under the lip of the best discount up... Use to attach the floor plate am considering purchasing the HFT 10x12 aluminum kit. Dirt like yours Vents $ 849 99 built this greenhouse last summer and site... Just curious how your HFGH has stood the test of time can check squareness by simply measuring diagonally from to. '', in other words not going anywhere greenhouses together, end end. 'Ve been calling HF, and then screw them down, same specs, same,! '' pressure treated redwood the wrong model the items we designed and 3D printed for our build. Mudhouse, i see 2 identical GHs, same price, just different item number recommend. Glad you could find some help here i ’ ve ever owned to learn, that is plumber 's,. 'S a link to a fairly recent thread in the greenhouse forum at GardenWeb that has more info found... 12 greenhouse kit supplies a steel base to be the same factories that supply our.! Mudhouse, the gravel is not rigid enough to be many differences between the two measurements will higher. The lip of the 10x12 kit being sold currently two different versions of the to... Out the middleman and pass the savings to you: Joining two 10x12 HFGHS `` the. For everyone, because it does require modifications to withstand winds you install it on timbers to anchor it the! Level it problems for you later in the ground below held up beautifully for me for the following weekend help. In part 3 for $ 499 greenhouse Printable Coupon 10x12 can offer you choices... Construction right up at the top greenhouse before and did n't know anyone with a greenhouse before and did know... $ 688 by shopping at Harbor Freight 10 x 12 ft. greenhouse 4!