Before You Build a GREENHOUSE Watch This

How much did it cost to build this greenhouse?
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[@blockdeterrecompresseeclau7679]

As you plan to install fan for the hot times, A tip for automatic ventilation is to use a 12v fan for radiator car, powered directly by solar panels. Your fan will run according to the intensity of the sunlight and stop automatically by night or cloudy. It will follow the natural need of your plants.

[@jeffwells8646]

Great video, just a suggestion on how you are supporting your ridge beam. Look at 16:48. You have 3, 2x4's sandwiched together carrying the entire load of the beam and weight placed on it. That set of 2x4's (called the header) needs to be flipped 90 degrees since a 2x4 is much stronger standing on its edge. Make your header out of two 2x4's with a piece of 1/2 inch plywood sandwiched in between, this will yield, 3 1/2 inches. Then place at least one 2x4 directly underneath each end of your header. Those 2x4's need to run all the way down to your base plate.

[@benzworks8453]

Awesome tip. Saw that also. Watch some videos from Matt Bangs Wood , Essential Carpenter for more framing tips. Good job so far.

[@StreetMachine18]

You could install a coat hook next to the door because in the spring and fall when it’s cooler outside and you go in there and it’s warmer you’ll want to take your coat off and hang it up while you do work inside the greenhouse

[@nodigBKMiche]

& actually, a second door to keep the heat in 😃. Nice job 👍🏼

[@romuloremo1817]

Build a compost heap smack in the middle of the hoop house and you have free heat.

[@andrewsmith1735]

If you use raised tables for starter plants fill under them with piles of wood chips/compost.

[@kickpublishing]

Great idea

[@JayJay-sf2wn]

Bloody the hell brilliant!!!!

[@Combat_Pyro]

Yup! That’s what I was thinking too. For that size he’s going to need two of them, and sourcing composting materials in winter could be a challenge. Maybe round bales of hay, with leaves and wood chip piles stacked ahead of time in summer/fall as it’s available.

[@juane53]

What about snow harvesting, it free water. You could use vinyl signs, cut them like a rain gutter. Again free water

[@mattschwartz915]

PVC conduit is cheaper short term but more expensive long term. I know from experience. In Sept 2017 I built a hoop house very similar to this but only 12 ft wide and 6 ft tall (50 ft long). I used the same PVC conduit and spacing of bows as in the video. It was fine until Jan 2019 when we got some 40-50mph winds blowing against the side of the greenhouse (the low temps made it worse). Several of the PVC bows broke where they were connected to the top beam. I was also drawn to using PVC because of the cost and ease of installation (no bending of steel). Sure I saved a couple hundred bucks at the time. But now I regret it. I've spent more money and a lot of time doing repairs. I repaired my PVC bows the best I could but when it comes time to replace the bows, I'll be using galvanized top rail. Another benefit of galvanized steel is it can come into contact with the plastic without degrading the plastic. @SSLFamilyDad this is a great video (as well as your others that I've watched). I just wanted to share my experience with PVC bows so maybe somebody else won't make the same mistake I made.

[@aluckyshot]

Thanks for sharing your real life experience.

[@Toilettrauma88]

Add rebar inside of the pvc. Should eliminate the issue of strength.

[@JohnGuest45]

pvc tubing in direct contact with the greenhouse poly will result in a shorter lifespan for the poly. Never use bleach to clean greenhouse poly for the same reason ;)

[@pauldominic2150]

Electrical Metallic Tube (EMT) conduit is the way to go for durability over the long haul....

[@PrinceCbass]

build tables against your end walls for support without wasting space. Will stabilize the end walls and also save some materials for one side of the table.

[@garyjones1234567890]

Arms Family Homestead and Keeping it Dutch said I should check out your channel. I’ve been watching your channel and subscribed for a long time now and I think you’re a great channel. Thanks

[@seek2find]

Your explanations and visuals were excellent. I stayed glued to the end of the video! Liked!!

[@jp3eku]

Why would you ever use PVC plastic conduit????? Why cheap out, when you can use three 10’ 6” lengths of 16 or 17 gauge by 1 3/8” o.d. galvanized chain link fence tubing making a 20 ft wide greenhouse hoop frame???!!!!!!!!! Do it once and you're finished forever (besides plastic covering) Is this temporary or something??

[@map1537]

i think all you Need is some plants😁😁

[@salmaarshad245]

Very informative video I liked the details . Thanks for sharing.

[@janicejurgensen2122]

I think you did a fantastic job it's beautiful!! BTW MIGARDENER sent me to your channel! Thank you and best of luck!

[@michigantreetops]

great looking greenhouse! if i had the room id love that large of a greenhouse. mines only like 8ft by 11 ft. im from michigan too!! glad to see more people greenhousing.

[@l0I0I0I0]

Just found your website. Thanks for sharing It's been 3 years now for this greenhouse. How did it work out for you? Amazing cost savings! What was that website for the plastic? How many years do you think it will last now? What would you do different? TY.

[@belikechong7911]

Thanks man, for saving me a couple headaches. ✌🏾

[@superultramegamaga4021]

i've literally watch 100 videos on building a green house. and then drew what i considered would be the best and most economical..and then i found this video. BASICALLY, this is what drew up,. except what i drew was slightly smaller..however, aside from actual size, this is the best design!.. GOOD JOB!! EXCELLENT!!

[@tenj00]

I disagree. A gothic arch greenhouse is far superior against snow-loads. Maybe you should watch another 100 videos?

[@davidbooher5559]

Yep. This thing is huge. 👍💪

[@victortoledo5139]

GREAT VIDEO. I'm 1hr from MICH. could I pay you to build that exact model for me?

[@CyberviewU]

Spray the top every fall with RainX, silicone, car wax products or bar chain oil to repel water and snow. Find out what works. But, what do I know? I live in FL.

[@Nightman2152]

Very nice video and hoop house! I'm a full time contractor and part time farmer working to move from the former to the ladder for my family. Keep in mind unless you're using larch wood any lumber on the ground is going to rot. It doesn't matter if it's cedar or pressure treated the compost microbes in the dirt that we love so much for breaking down our food scraps and chicken poop will do the same to your end walls. I'm not knocking your hoop house at all I just thought I'd mention it in case it's something you hadn't thought of. As a business investment your hoop house will pay for itself many times before the lumber begins to rot out. I'm going to check out some of your other videos. Don't apologize for long winded talking videos your experience and insight are valuable. The hours a person can save by learning from your story are nothing compared to the length of the video. I will watch it again before I build a hoop house. If a person can't sit through an 18 minute video then they probably don't have patience, discipline, or persistence to grow anything anyway.

[@2007srv]

Hi, :) thats right . So I have been watching vids for a few yrs now I've have always noticed the runners in the dirt , I'm thinking painting them would do good correct ? I'm about ready to start few weeks my 30x15 ish x 7 ish tall. Any advice would be great . I see he's using gray pvc , i'm reading more on it now but seems like I've read stick w/ white pvc . I just heard on another vid the gray pvc is cheaper ? I have my windows and glass door together . I nee to pull the trigger soon , I've got a stack of re-claimed 2x4s , woogd is outragous right now $. Thanks Stay Safe .

[@dangertreez]

As was mentioned before, the posts should have been under the beam, however you could bore a hole through the beam sides and posts and use a length of ready rod with large washers to fuse the two, or nail cleats under the posts. The beam will likely never be exposed to the kind of weight that would require much support so I wouldn't worry too much about it.

[@handimanjay6642]

1/2 rebar run inside the pvc makes it super strong.

[@danb4275]

Rebar in the hoops? Wouldn't that create stress points at the end of the rebar?

[@SirSkippy87]

Uhh... rebar doesn’t bent very easily! The electrical conduit is sufficient.

[@danb4275]

@@SirSkippy87 I've seen EMT, but PVC conduit needs some sort of extra support, whether internal or external.

[@CarlosAlberto-ii1li]

We used 40mm plastic drain pipe and the accessories, after it was finished drill 6mm holes in the inside wall of the tube inject cans of spray foam and its very strong.

[@sapelesteve]

Great job & advice on the greenhouse build! I am curious as to whether or not you needed a building permit to put up the greenhouse? I would guess that it depends on where one lives. I live in CT & I believe that something of that size would require a building permit. Of course they can then increase the yearly amount of tax that you pay.

[@Sunshine-lg8su]

New subscriber here! I’m just getting interested in the DIY greenhouse idea. Love what you did here. Your commenters are so helpful too🙌

[@kheventplanner]

Hello from a fellow michigander! We are about to buy property and hopefully put in a greenhouse about that size. We are thinking of going with old windows rather than plastic but nothing's off limits. Ive loved watching you build yours its very informative and i thank you! Id like to put my essntial oil distiller and a woodfire run hot tub inside with my plants. Im hoping using the hot tub alot will keep it warm and moist for my darling plants!

[@Mourningdove55]

Kathy Hosking great idea! How about a large metal water trough during late summer, surrounded by greenery?

[@calvinjonesyoutube]

Looks like a good result, appreciate you sharing the challenges and how you overcame them. Thanks for the video.

[@rhymereason3449]

Your design is very similar to my 12x24 one I built 7 years ago. It's had over 2,000 lbs of snow on it (14") with no issues. I got 6 years of the green house fabric before needing to recover. I think off gassing from the PVC degrading the plastic is overblown... I opted not to worry about it. In six years there was a little discoloration - but the plastic did not significantly degrade where it contacts the PVC pipe. I do wonder if you've got yours anchored to the ground enough to keep it down and from twisting in a strong wind.... you have a lot of surface area there and the curved surface can actually act like an airfoil. In mine, I tied to planting beds directly into the side walls so there are thousands of pounds of earth keeping it down.

[@StreetMachine18]

Using aquaponics as a thermal battery is a great idea.

[@DatsiKxModz]

wouldn't it freeze in the winter?

[@stanstrain1665]

Yep

[@kkarllwt]

Michigan can see minus 25 deg. F. And 3 to 6 days with a high temp of minus 3 deg. F.

[@speedbuggy16v]

One thing you may consider or try is IBC totes for solar batch heater/thermal mass. I was bored last sunday and filled one with water and rattle canned it flat black. It started at 35 F that next day it was in the teens and partially froze so tuesday I threw together some old storm windows into a cube around and over it. It gets up to 80 some odd degrees F during the day inside the box, and tonight an hour after the sun went down and the residual heat in the ox dissipated I checked the water temp and it was at 60 F. I am going to keep checking it in the mornings and evenings and see how good it can get, but I think it will work for what I want it to do, and as a bonus I can capture rain water to fill them, and even use one for manure tea if I so choose. Thanks for the video!

[@davidfuller764]

Sadly PVC reacts with (eats) polyethylene cover... yes? Heck! I didn’t notice you covered covering pvc tubes with guerilla-tape just as I’d seen done elsewhere! Good work and thanks for sharing your knowledge.

[@SSLFamilyDad]

Correct, the chroline in the PVC gases off and will eat the plastic away. I covered each pipe with gorilla tape to hopefully mitigate against this

[@690Lighthouse]

Bank leaf compost against your North side, it's a great heater

[@tom_olofsson]

Thanks for sharing these tips. This is gold Jerry, gold!

[@kjp6438]

Good one Banya.

[@timedvrodlehnen8448]

People don't use PVC ,it breaks and sun kills it, metal,metal

[@paulhutchings7527]

From my experience with a hoop house anytime you have hardware on the pvc (screws, bolts, etc) you should use pipe insulation or a pool noodle as a buffer. The metal rips the plastic when the wind blows

[@jamesfelten5179]

Hail storms are also a danger, and like most things it is just a matter of when not if.

[@brianrodman1033]

Great informative video! You might look into compost heating. Not sure if that would be a viable option for winters as cold as yours but worth checking out. If nothing else it’s really interesting. It could be a great supplemental method to go with the water tank heat storage method. Plus come spring you’ve got fresh compost that would only need minimal moving.

[@jamestriplett790]

add half inch rebar inside PVC pipe, for added strength. Weld the ends for longer lengths. Woven plastic is stronger and lasts for years

[@lgomez222]

Why not use EMT instead of PVC? Similar price points.

[@FensterfarmGreenhouse]

Love the build. I have 4 commercial greenhouses now but started with something like this one. Yours in much better than my attempt of building one though! Greenhouse growing is an addiction my friend! Best of luck! Chuck

[@richardh8355]

I have had the addiction since age 12 now im over 50

[@techno4ugeeks14]

how much did it run you for commercial green house

[@richardh8355]

@@techno4ugeeks14 well it was 2000 for hoops and plastic only

[@timedvrodlehnen8448]

Number one rule for hoop houses,use steel poles,,. Number two ,Connect it to the ground especially on gable ends, couple 4" by ,4" next to doors and also your header for your door, , corner supports also, don't forget ventilation , is crucial for healthy growing experience, air= oxygen,water,food,sun..

[@redwood1957]

I agree with oby-1 . Transfer all loads from above down to the ground where your base (footing) All wood on the flat will bendover time or just snap. This is easy to repair and very important good job

[@royalspin]

We HAD a hoop house style green house similar to this one but it was destroyed by severe weather we had with heavy snow and winds up to 80 mph . Ours didn't have a center support like this one which would have been better but the temperatures down to zero is what really killed this thing .The plastic pipes fractured from the low temps and the snow load and especially when the winds got going ,when we had quick warm up and then heavy rain after the cold snap that's what did it for the structure . Looking back at the experience I wouldn't do it again using PVC pipes .My next one will be made with wood framing and using old aluminum double pane windows that I got from my neighbor who replaced all his windows for his entire house . This way I'll be able to open up the windows to let a breeze come through the structure without letting the insects in . For the roof I'll be using polycarbonate sheets that can withstand a load . Not sure if I'll have a concrete floor or not yet but it would be nice, and a much stronger structure plus if I use PEX pipe in the concrete and then run hot water through it ,that would be a good way to heat the structure . I'm thinking about using compost as a heat source to warm the water instead of using a stove which if done correctly will last several months and as a result will give us some good soil as well . There's so much to learn about this subject and every time I think I have a good idea of what to do I learn something new and revise my plans . Going with Aquaponics is an excellent idea. I plan on going the same route . I'd rather not use soil if at all possible because of the various things that go with using soil such as pathogens , insects etc etc . Plus I've seen huge yields from using Aquaponics . It doesn't require much electricity or water if it's done properly and low voltage pumps can be used that run off solar powered batteries . The possibilities are endless .

[@livingoutsidethebubble]

My 20x12ft tunnel is sitting at 30 degrees c with no heating - I have a hotbed in the cnr built with 4 haybalesand filled with horse manure, straw and some green bits I add while weeding). The beds themselves are warm as well, due to horse manure and hay beneath my compost topping

[@davebayles4596]

What was the temperature inside the green house with no snow on the roof thanks for the info

[@expandfreedom2283]

Very cool greenhouse. Thanks for the content, I just subscribed

[@snapst]

not 6 mil. 0.6 mm. it does not look like 6mm. cool greenhouse. Have you taught about going underground a little?

[@8Jory]

The whole rocket mass heater thing has become rather pretentious I find. If you break it down in principle it's a small, extremely well insulated fire box that burns screaming hot in order to increase efficiency. Heating up a mass of earth. Strictly speaking it doesn't have to be earth, Paul Wheaton himself says the reason they use earth and not water is because of the "boom squish" possibility. If the system is permanently vented it eliminates that. You could look in to a hybrid system like bigelow broom farm (not sure that's right) did in his geodesic dome green house. Another video worth looking at is "How I heat my house in Canada for cheap". Both great sources for inspiration. Either way, keep an open mind and you'll find the solution that works for You! Good luck man, cheers!

[@josephmiller3112]

THX for your explanations, great ideas. I am building a 18x30 hoop house, 1-1/2" electrical gray PVC it has more flex, 3 ft on center. your ridge beam is a must, good idea, I went with 12 mill woven green house plastic. Northern Wisconsin! I have a smaller 12X20 hoop house, 1" schedule 80 2' on center with the same PVC for a ridge pole. 4 winters now, it held up in 2018 April 16th 33" snowfall, that was fun! I can get 1 more season out of that 6mil plastic. THX much for your video, keep up the good work:)

[@BobbityBob19]

Does 6mil plastic mean plastic sheeting that is 6 millimeters thick?

[@josephmiller3112]

No, Plastic sheeting, tarps from the hardware store, so on, are measured by thickness, smaller the # the thinner the material.

[@adrianalvarado7407]

Thanks for your informative details. Keep on keeping on brother

[@susanlee9532]

Composting in one area will surprisingly add heat, too. Some have put nesting boxes along one side and put their chickens over winter and they help prepare the soil.

[@cripplers8]

I’m glad you mentioned about taping the PVC piping due to the reaction to the UV plastic because a lot of vids I’ve watched on building hoop greenhouses nobody’s mentioned that except you.

[@wanesweb]

Very impressed the most impressive Greenhouse I have seen all night I'm going to watch everything you've done. I find it hard to believe you did that for 650 bucks I figured the plastic cost that much can't wait to find out where you got it I seen the comment you're putting links that's awesome I'm kind of excited some talking before I get through all your stuff looking forward to learning everything you've got going on there like to try to figure out how to do the wooden walls the arch is a little bit different though but we'll see thank you so much great job by now you must have yours. Seedlings Is 2020 thank you brother God bless

[@robertbarnes7530]

Just quick comment the Amish up here in mid Michigan use 6 inch thick by 10x10 inches of foam to tighten the plastic. I'm glad you was able to salvage the frame after she caved in. Hallelujah

[@macoediv]

your Michigan accent...

[@farmerjones9612]

I wonder where in Michigan you are ? I only now found your channel . I am zone 5 south of Lansing , I wonder if your advice holds for my zone?

[@SSLFamilyDad]

I am in that same zone

[@MattVey]

What if you used an electric motor with an unbalanced weight on it that is clamped to the conduit in a few spots and set up on a timer to vibrate the sides to keep the snow off.

[@SSLFamilyDad]

+Matt Vey I like that idea a lot!

[@gleasonsimpson3310]

Matt Vey - that is a great idea! Thank you for posting that. It is people like you that you tubers look forward to because we all share ideas and help each other. I just wanted to say thank you myself.

[@Bear049]

Geothermal heat pips in the ground. There is a old guy on KZbin doing it he lives in Iowa I think. It's not expensive

[@MonahCinema]

Я так и не понял, что делать то? Можете по Русски запилить видос!

[@Christine-777]

What an amazing comeback, sir! We're so grateful for you! Thank you for sharing. May God bless y'all, and continue to guide and keep you. :D

[@linr2870]

Thank you ! I actually like seeing the trial and error videos. It helps all of us see what worked and what didn't. I am going to put in a solar ventilation gable fan for our very hot summers.

[@lilsammich8252]

Metal tubing more expensive but you do not have to support as much.

[@jamiesmith1343]

your hoop house is lovely! Thank you for all the great info!

[@PGailStOnge]

Looks great! I discovered your channel a few weeks ago looking for acroponics info. Your videos are perfect for me because I'm living in a similar climate and can relate to your trials and tribulations. I attempted to build a greenhouse about 3 yrs ago but failed. Thanks to this video i will try again in the spring Thank you and best wishes for future success.

[@vondolkk]

I'll be interested in what you do for heat up in MI. Here in Nashville, our 9x13 (2foot cinderblocks below grade &4 foot 4mil twinwall ) is hard to keep 20 degrees above outdoors. I agree with your thoughts on the rocketmass stoves. better to have a slower burn but still efficient like a secondary wood gas stove solution. I tried a tent stove this year but you can only get two hours max of heat and no matter how careful, soot inside your GH. next year maybe a diy firebrick burn chamber in the ground with copper water pipes to the GH. feed clean hot air to the GH while heating water with free wood. Priority-One, heating without spending too much time doing it. Bottom line is keeping heat in & cold out. your double wall thoughts will be perfect before your current covers UV breaks down so you can get a longer life from your current cover with a new cover to take on the suns rays. one last thought - emt conduit is price comparative to pvc replacing your pvc with emt over time may be best. i saw a fair number of abandoned GH's in northern Detroit. possible source for materials ??

[@fuqutube]

geo thermal

[@matthewlewis9996]

55gal drums painted black and filled with water. They will heat up during the day and slowly release heat overnight

[@muhamedfaour3710]

Geothermal , propane heater, compost pin, black water barrels and adequate sealing will get you 40 degree difference in MI.

[@JayJay-sf2wn]

@@matthewlewis9996 Forgive my dumb question, I'm from Arizona. We put our coats on when its 70 degrees and we think we are going to freeze to death. What if its cloudy for a few days? The water barrels won't stay warm will they?

[@matthewlewis9996]

@@JayJay-sf2wn i lived in Phoenix in the 80's. My sister lives in Avondale for the last 20yrs. You'll be fine

[@joeklein2014]

Near Mackinaw Mi, Does your GH,have reinforced plastic? 20-30 mph winds not uncommon up here.getting ready for a rebuild with wooden side wall west side

[@chrismartin2524]

I live in N.W. Mt. and looking to build a green house. How's it holding up? Have you done any upgrades to it that you would recommend? Looks like 3 pieces of electrical conduit. Correct? Flexed them to 18feet. Looks like you spaced them 2 foot on center. I plan on using double layer plastic. Any other suggestions? Chris

[@stephencarlsbad]

I built a 16ft long by 8 ft high by 8 ft wide hoop house for $160 with a wood support beam.

[@asmith5799]

How did you do it? Do you have instructions and a material list?

[@fryscountrylifechannel4437]

Thanks for that, I live near Thunder Bay Ontario so your tips definitely apply.

[@thomasneal5516]

Thanks for the video. Looking at this idea for our community garden

[@avid0g]

If you run a cord across each arch, above your head, the cord can pull the arch into a stronger shape. A lot cheaper than lumber. I also recommend that all those PVC intersections be locked together better. The cross shaped fittings work well for this, but requires a lot more cutting and glue/cement. Other green houses have the PVC arches much closer together. That badly kinked piece can be repaired with a coupler.

[@waynetadlock9719]

Off the wall, May I suggest a hybrid system. Rocket Mass Heater, use the "bench" to put water barrels on. Hypothetically, use solar acquired heat during the day to warm the hydroponic's barrels and structure. Then near nightfall and/or early morning, fire up the RMH. The barrels would help store AND radiate heat after the RMH burns down. Logistics might be a night mare, I don't know. I do know that other have claim to have successfully used hydroponics in grow tunnels, but they had wood heat also. Easy enough for an armchair engineer with no experience, lol & God Bless.

[@bdub78dub90]

Radiant floor heat is much more efficient for growing. Definitely more labor involved in digging of course but the benefits are worth it.

[@JayJay-sf2wn]

I was about to ask about a rocket stove! Great minds!!;)

[@matermark]

@@bdub78dub90 How deep does radiant floor heating need? I was thinking a small windmill generator next to it and use the elec to power heaters.

[@IDVDalot]

wos you know a lot. Do you have a channel or a site?

[@athos5014]

Me and my pops built one12 foot high to the peak 30 feet long and 20 feet wide.And I recommend instead of using that plastic PVC because that stuff Bens and bows we used 1 inch and then also in some spots inch and a quarter pipe either EMT or fence piping and they made it really strong but hey whatever works for you

[@GeezerDust]

Great info. I did't know about the PVC giving off gas that degrades the plastic sheeting. Thanks.

[@georgesenda1952]

Why not try some Reflectix and see if it will retain heat in the greenhouse and help warm itnup or maybe a solar air blower which would help keep the plastic warm and help melt the ice ?

[@nicksabs]

How about a Biomass heating

[@paramasivamsamanna1307]

Hi, Family Dad It is not much talking , Information is good covers cost, where to get Plastic, how durable it is, particularly you filmed at the appropriate time, to understand how plastic holds the snow. It is very inspiring looking at the cost for beginners to start and go for fancy ones later. I have a friend was a good Gardner, spend all the necessary thing had 4 years or so and gave up the project and took up a job which requires full time. So down the road, if you gave up, it is not a big deal, lose nothing. By the way, your greenhouse is too big for many beginners but, it can be a small one with the same formate. Many greenhouse sites how to build shouldn't be there or reconsider why they are there, Wishes to your family. Thanks, Paramasivan

[@MrsMags]

It is so satisfying watching that snow fall off! Great job and great price tag!

[@catfan5756]

I Know right. That was the best part of the video. I could watch that again and again. Great observation. Have a great day.

[@imnegan7172]

You could have saved yourself a ton of work my using a thicker pvc from the beginning 🤣. But it looks very sturdy now.

[@lisabevans8107]

Use compost inside the greenhouse for free heat. I bought mine with Colorado snow load and wind for about 1200. It did not hold up to the wind even with the extra screw downs. We will be changing things for next year. Ty for your ideas.

[@dedesmith613]

Why aren't you growing winter foods like Brussels sprouts or cabbage spinach etc.

[@MissuhsipEgirl]

I had been thinking of building me a wood frame and initially starting with covering with greenhouse plastic. I had thought I could get reclaimed windows as I went along and replace the plastic as time goes on each side. Is that a reasonable assumption? Can the plastic withstand being cut and maybe stapled at the ends between 2x4s? I have access to aluminum sheets I thought of using for the roof as I build up to windows possibly too.

[@andrewsilvia7773]

Just watched this video, haven't read all the comments, so I'm not sure if anyone mentioned this. The only thing holding up your center cross brace that ties into your end wall are the nails holding up your six inch side wall support. You need vertical wood supports that actually hold up the cross brace. The weight of your center support could weaken those nails/screws over time. You should take out your door and reframe that section or you risk the collapse of your side wall support. Great idea in your build but you have a major flaw that could injure you or someone else.

[@sawdustbear9577]

Why didn’t you put the 2x6 directly on top of the posts? Now you are putting 2x4 under the 2x6. It’s just extra steps.

[@georgecurotte355]

How long are your PVC pipes? I am planning on making on. But half the size. And how many pipes to make half moon?

[@MyLevelheaded]

beam good idea bury 5 4 inch black drain tubes 6 feet below the earth loop them around the green house linear feet under ground will be 180 feet place box fan at one end and slowly circulate the loop...trench around the perimeter and insert double pink styrofoam below grade to frost line ...and if you choose to heat use a wiseway stove with boiler option...place a contiuous loop around under the walk ways use a wind powered wisper pump to move the hot water double the plastic and your grow season goes year around not for tomatoes but for hardy plants definitely... shallow trench in the walkways use 1 and 1/2 rigid pipe so pex way be pulled in and replaced easily because remember two things pex does is heat and leak eventually using the steel conduit as an exchanger to the soil will charge the thermal mass ofd the earth ...remember the wise way stove burns 36 hours on one 40 bag of pellets but will burn wood chips dry mulch etc...charging walkways and insulating the cold from invadoing from exterior trench etc even aradiator option to charge the earth around the recirculationg earth tubes just wait and see you could grow citrus in the wintertweek the first one and repeat even earth bermed solar etc will give you an unbelievable grow ...am seeing some aircrete walls 4feet down etc and geothermals doing double harvesting and tha means less land consumed and double profit each store housed productions boasting 400 k per year. depending on your market and the crop of course

[@228Brendon]

For double layer greenhouses, can you warm the air going into the inflation pump to a safe temperature? Say 110 degrees, to melt snow/ice?

[@TheMalcolmPowder]

A compost heater, compost with a water filled copper coiled pipe running bottom to top in your compost. Compost decomposing creates a lot of heat. You should be able to run a number of radiators. The water circulates in a closed loop driven by the heat of the compost. I'd also have a way of shovelling out compost, from the bottom of the compost, for your garden. Also a cheap way of providing heat for your animals over winter. I imagine with all the poop and straw bedding, etc. you are creating a lot of compost.

[@DEADYASSASN]

How do these handle in up to 30 mph winds? I would love to turn what I currently have into this because I'm sick of weeds and bugs

[@MVIsland]

Why did you use PVC to construct the hoop house? Galvanized steel pipes would last a lifetime, would carry a serious snow load. I worry that PVC will start sagging. A hoop house / greenhouse can easily climb up to 150 degrees inside. I have a 90% sun block cover I put over my greenhouse starting in May with doors open and exhaust and it still hits 110 degrees inside. I am not growing in it, in the summer, but still have to keep the heat down in it. Also, not sure what mil film you are, but even with 6mil it will sag quite a bit from the heat in summer. Careful in the summer when the film is sagging, and you have the doors and windows open for ventilation, wind blowing in there will act as a "bellow" and beat the film on the PVC pipes. ~From someone that has been there and done that~

[@Mourningdove55]

MVIsland I’m in south Texas and the summer temp is at about 109. With these temperatures I’m afraid it would surely melt! LOL What mil film would you suggest? Thanks!

[@Bert2368]

If you dig a good sized shaft down to at least 8 to 10 feet below ground level in your greenhouse, where the soil is at your yearly average temperature? The cold air from inside the plastic cover will fall into that shaft and displace relatively warm, below frost line temperature air up into the greenhouse. No fans, no fuel. You will need to ballance shaft square foot of area to your climate and degree of insulation.

[@nghermit4922]

Add a little vibrating motor? Bet that would shake the snow off automatically. :)

[@trishdavi7049]

You call that a lot of snow? Lol. I'm needing to build Alpine A frame ceiling greenhouse for average snowfall of four or 6 ft and alot is over ten or 20 ft :-(

[@geoloft4708]

When I lived in Japan most of the house growers over there had a fish pound in the house to heat it . With the added benefit of the fish themselves to sale , you’re plants get some tasty water to aid in the growth. Others would have metal flat pans or stones gathered in circles to put hot coils in they would toss water on the coils on some days to creat steam. I have not had to use these techniques living in Florida, however I do have a fish pound about six years in development so if we should ever get to a point of having to create a grow house I will incorporate the pound into that plan . Great video , Thank You for the tips ! Namaste ! GOD SPEED!

[@alanrothsman1751]

Re thickening up your pipes to handle larger loads why not just add bamboo canes inside the tubes, if folks can make scaffold out of them I am sure they will bend enough for the hoops and they are cheap, just need to fit inside, just an idea, gotta pinch the pennies.

[@johnluquer]

Research air movement in the winter. I saw a vid I think from Charles Dowling about no air movement in the winter caused mold or something.

[@mikmik7796]

look into the oriental vegetables for harvesting through winter, amazing cold resistance and tasty :)

[@MrBoo1963]

Nice job. Here in Texas, PVC pipe will heat up and bow. I know this because I've used it. I now have built one using cattle wire. A 13X40. I have had a hard time bowing the boards. They too have to be reinforced at the ends, but they will also hold Wt.

[@Mourningdove55]

Rob T I’m in South Tx and hoping to build a greenhouse. Have you shared online or could you send some pics to [e-mail]? Thanks in advance.

[@dwrightjr31]

Nice brace for the weight of Snow! #growcommunity gave me the heads up on that.

[@colettechisholm8894]

Thank you so much. Wonderful information!

[@kenishaw1040]

What size roll of plastic did you purchase for an 18 x 48 greenhouse?