Today I’m beginning the revival of the sunken greenhouse project after it was damaged in a hailstorm this past winter. I talk about my plans for repairing the damages caused by the hailstorm as well as the changes and improvements that I want to implement to make it even better than before!
Topics covered…. polycarbonate replacement, shade panels, hail protection, railing, removing the middle post, cooling tube ‘non-progress’, north side metal roofing, reinforcing the raw rock/dirt parts of the interior… and other little odds and ends.

Thanks for watching and let me know if you have any questions.
Joe
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Tags: homesteadonomics, greenhouse, sunken greenhouse, walipini, gardening, polycarbonate, greenhouse panels, framing, underground, solar,
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My grandfather built one, covered with glass. My mother and her siblings somehow slid down it on snowy days.
Dude, he is all bummed about his greenhouse roof but he has no idea Convid19 is coming… He going to be super bummed out.
do u actualy grow anything in greenhouse???? i keep looking at this project since 2016 but i haven`t seen anything green in there. Not a single plant
check out acrylic as a better hail resistant glazing material. https://www.greenhousemag.com/article/10-reasons-to-choose-acrylite/
I was thinking you might want to try making the shade cloth like an awning. You could use PVC to make the arms and cross tube. Might take some experimentation to find the right pivot point.
Congrats on sunken greenhouse project.
Joe, good video – nice work. Check out the Solexx products before you reroof. I have a 25 x 50 underground greenhouse that I covered with 5mm ~ It consistently maintains about 20 degrees above ambient without supplementary heat. Thankfully I haven't experienced golf ball sized hail but I'm pretty sure it would bounce off. All the best to you and yours, and Good Luck with your reno. Dave
If you dig a trench, double the pipe back and forth in it, not just one tube, go out and back and double your money in 1/2 the space
Get some plants going! even though you don't have a cover on it, get something growing in there !
It's going to be great once you get it all finished. Looking forward to watching the remodel.
People always see a disaster as a total loss. I see it as an opportunity to improve. Should also consider flash floods or maybe even earthquake-proof the whole greenhouse. Just something to think about.
I lived out as a child in southern New Mexico and I, along with my younger brothers, were always told to watch for areas that rattlesnakes would be drawn to. Are you concerned that your greenhouse might attractive them or is that not a real issues in your area?
Was the Hail predicted….? If so I would put 4 metal poles 4ft high and 10ft 45 x degress from each corner…Then a loop on top and make a big heavy CANVAS fly sheet. You can rig it if thunder is predicted.
Out of the box thought, would an RV awning system work for you? Having something you can press a button from inside to activate would seem ideal in hail that large. I imagine a little modification would make a nice cover but that is pure specualtion. 🙂
Here man with all due respect please see this https://www.youtube.com/watch?v=ZD_3_gsgsnk Find a boy with a 6 or 8 foot trencher/ditch witch.
Probably a bit too late, but when I built my tiny house here in OK (we often get large hail) we designed our roof pitch to be closer to 2:1 on our outdoor buildings to provide a better deflection angle, also don't have to worry about snow load during blizzards. So far just having the higher pitch made for everything surviving up to golf ball sized hail with zero damage. If you can.. I would suggest this change. Could use the extra space to use for a second level for growing maybe. Perhaps the extra surface area for sun would even make for a better greenhouse.
It looks beautiful and you did a nice job.
What about using a system where you use wooden slat that opens and closes with a Manuel hand crank, or a timer to automatically open and close. Open day, closed at night on top of the poly carbonated roofing material
I was looking at the angle of the sun in the sky and slats to let sun in during the moderate times of the year about a 35° angle and reflect during the summer when the sun is about a 80° angle. This would allow indirect sun when its baking the ground and everything else. Maybe aluminum foil on the side facing up?
Привет ,ты супер настоящий МУЖИК
You the man!!!!
At 3:45 there was a wild hog behind you!🐖
Have you considered using 1/4" hardware cloth panels over the polycarbon for large hale protection. And could support a shade cloth as the shade from the hardware cloth would be minimal.
the old guy Bert
Өте жақсы! (Very good! )👍
Whatever you don't re-use that palruf panelling. I made mine out of that 2 years ago. Already breaking down, splitting and coming apart from UV. I even read this warning on a website but didn't heed it.
Shade cloth idea…let it roll down on a roller from the top. Build rails to keep it off the poly like 2-3 inches so when it does hail it wont hit the poly. Guess I would call it a trampoline effect.
Its very sad that greenhouse damaged. But I hope you will build a new and strong one. . ! Cheers!!
I wish you would link in the plans,,,,,, I would love to put this up in connecticut…….. I would go for the shades and not the panels
Why no rain water capture in your green house.?
On an earlier video, I comment on your discussion of the water retention system. Well my experience again in the USVI will address your interest in the shade cloth issue. You will be amazed at how much shade coth positively affect plant growing ability. Plants need shade more than you think. You can buy the cloth is increment 20 30 40 60 % shading. It is important that you give shade to your plants. To much sun and UV with have a detrimental effect. Its a very good idea and I am sure it will help with the hale. Blunting the force. Just sayin RC
Have you considered automatic swimming pool covers? You know, when you close up your pool for the winter, you cover with an extremely sturdy material. Lots of vids on different swimming pool covers, but think it would do the trick to protect. heres a diy kit https://www.youtube.com/watch?v=nux_J347S74
In general, the idea is great to make a pass at the bottom. The space for space heating is minimal, but it is convenient to work and maintain the plants. (Sorry for the translation)
Идея отличная!
What about using raised hardware cloth to protect your greenhouse?
I just discovered your channel! I plan to have my own place someday with self sufficient facilities. Having this greenhouse for out of season crops would be amazing! Does this greenhouse have plans?
With all that wind it might be hard to get shade cloth over the top of the roof to protect from hail.
What about your mate Derick? he has a backhoe on his tractor
Я тебя не понемаю но отличны теплица
Tucson AZ, here and enjoying your channel. Sure have learned a lot from you. Learning how to make my own cabinets.
I'd say the shade cloth should be more simple to install and provide more protection and probably be cheaper. Just make sure you have support to suspend it above the roof panels as the farther from the panel the more hail protection it will provide. You might want to consider using two pieces of cloth one UV resistant and one rip stop, unless you want to spend more money on a single strong yet UV resistant option.
I like these overview videos. Its good to learn from others experience. I've certainly built some things that I'd do differently if I did them over.
Considering the importance of a greenhouse and the cost of the panels. The addition of a wire cloth to help stop hail is a good idea going into the future.
Brilliant……..
The metal roof area gives you a perfect out of the way storage space for the shade material. Can copy a garage door idea for a segmented section to get over the ridge from the metal roof side
Rails for a cart to ride down the stairs can also be a good idea. Why carry things up and down the stairs when you can put rails off the sides of the steps out of the walk path a cart can be pushed on. As simple as 4 skateboard wheels on a section of angle iron riding on a steel pipe to keep the cart level down the steps as it can use normal wheels at the bottom and top of the stairs.
Thanks for the video update. I suggest you do sun fabric with a roll-up side like on the side of the greenhouse. The weight of the pipe roller on the bottom should keep them tight and sluff off any hail that happens. Otherwise if the Hale builds up it'll push the fabric down on to the poly carbonate and you will lose that space that would soften the hail. Plus it would let you shade only the top part and protect from the hot midday sun
Maybe for the shade you could use a poly mesh tarp and run two steel ropes through the eyelets to slide the tarp to the side when not in use. I use them all the time to cover mulch or brush on trailers and they hold up to strong winds on the highways by letting the air through. I have also used them as for shade canopy’s for my kids when We go to my farm.
Insulate the north half and use metal roof. Dig a 250 foot trench and run a few tubes through it to cool and heat the place.
I watch your videos with admiration; creativity and skill, functional ideas. I live in Brazil a beautiful country, the tropical summer stays for about 11 months and the winter is mild, here we do not have these catastrophic phenomena of nature, (other than politics, which is currently finding the right way). I found some videos on the internet that might interest you (Gas for kitchen stove etc) https://youtu.be/eZfx5KV14p0 and the manual https://drive.google.com/file/d/1NtuavDuFnpjtrkt8ANc8f2U2kc88oalb/view Soon I will be making a request for a T-shirt, as we use different measurement systems, I need to see what parity measures. Congratulations and congratulations. Vejo teus videos com admiração; criatividade e habilidade, idéias funcionais. Moro no Brasil um lindo país, o verão tropical fica durante uns 11 meses e o inverno é ameno, aqui não temos estes fenômenos catastróficos da natureza, (à não ser a politica, que atualmente está encontrando o caminho certo). Achei uns videos na internet que talvez possa lhe interessar ( Gás para fogão de cozinha etc ) https://youtu.be/eZfx5KV14p0 e o manual https://drive.google.com/file/d/1NtuavDuFnpjtrkt8ANc8f2U2kc88oalb/view Em breve estarei fazendo um pedido de camiseta, como usamos sistemas de medidas diferente, preciso ver qual a paridade de medidas.Parabéns e felicidades.