How to Build a High-Tunnel Greenhouse | Ask This Old House

How to Build a High-Tunnel Greenhouse | Ask This Old House

Roger Cook helps a homeowner build a simple, affordable backyard greenhouse. (See the shopping list and tools below.)

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Roger visits Biloxi, Mississippi where he builds a high tunnel greenhouse with a homeowner.

Shopping List for How to Build a High-Tunnel Greenhouse:
– 1-inch-diameter PVC pipe [https://amzn.to/31pKO4k], to create frame of high tunnel
– 1 1/4-inch-diameter PVC pipe and reducer coupling [https://amzn.to/2IBbsyn], to make sleeve that fits over galvanized pipe
– Pressure-treated 2x4s [https://amzn.to/2WynL3s], for building end walls and base
– Pressure-treated 2x2s [https://amzn.to/2WvmZEf], for framing two doors
– 4-mil clear plastic sheeting [https://amzn.to/2X5QnFy], to cover the PVC frame
– 3-inch screws [https://amzn.to/2WvnX3l], for attaching 2x4s
– Galvanized pipe [https://amzn.to/2F4we8N], to secure the PVC pipe to the ground
– PVC primer and cement [https://amzn.to/2X6MeBh], for gluing together PVC pipe and fittings
– Metal pipe brackets [https://amzn.to/2WZqLKD] with 1 1/4-inch screws and washers [https://amzn.to/2Wz567y], used to secure PVC pipe to 2×4 base
– Six 3-inch butt hinges [https://amzn.to/31rKemj], for hanging two doors
– 1/4-inch staples [https://amzn.to/2WZrDyT], to secure the plastic sheeting

Tools List for How to Build a High-Tunnel Greenhouse:
– Cordless drill [https://amzn.to/2KaQUQt], to drill holes
– Impact driver [https://amzn.to/31tcEwj], for driving screws
– Circular saw [https://amzn.to/2Ka2paZ], to cut 2x4s
– Auger [https://amzn.to/2KduJt5], to drill holes in soil
– Small sledgehammer [https://amzn.to/2XE1x1t], for pounding in galvanized pipe
– PVC saw [https://amzn.to/2Kd59V4], to cut plastic pipe
– Staple gun [https://amzn.to/2wLBYzt], for attaching the plastic sheeting
– Utility knife [https://amzn.to/31tkuX4], to cut plastic sheeting

All of the materials for this project, including 20-foot lengths of 1″ PVC pipe, Pressure-treated 2x4s, and 4 mil plastic sheeting, are available at home centers.

Expert assistance with this project was provided by the Mississippi State University Coastal Research & Extension Center [http://coastal.msstate.edu/].

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How to Build a High-Tunnel Greenhouse | Ask This Old House
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50 Comments

  1. Hòmè Ďeçoŕè on July 22, 2022 at 11:43 pm

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  2. NutzBdragon on July 22, 2022 at 11:45 pm

    2:45 thank god for safety glasses dont want that hammer hitting you in the eye….

  3. Scott Slotterbeck on July 22, 2022 at 11:46 pm

    I wonder how long this would last in the 60 mph winds Sacramento gets???

  4. John Luquer on July 22, 2022 at 11:48 pm

    How will the pvc hold up with UV exposure? It might have been better to use hog panels.

  5. W.E.S. Wesley entertainment studios on July 22, 2022 at 11:49 pm

    Rebar is cheaper and stronger to stake the pipe down…

  6. Walter Bates on July 22, 2022 at 11:51 pm

    Feeding the YouTube algorithm. Great video. I appreciate it.

  7. TIm on July 22, 2022 at 11:53 pm

    Sure seems like a lot more material is required than what you showed being bought at the big box store.

  8. Tar Heel Country on July 22, 2022 at 11:54 pm

    GAAAAAAAAAAAAAAAAAAaaaaaaden

  9. Ukepa on July 22, 2022 at 11:57 pm

    looks easy… too easy! I’ll bet I can screw it up

  10. lonh nguyen on July 22, 2022 at 11:57 pm

    *I used this plan to build a kitchen cabinet for my friend **Allmy.Tips** I feel proud to have accomplished such a project which she have come to love so much. Thanks a lot for a collection as this. It is quite comprehensive.*

  11. Googlin Stuff on July 22, 2022 at 11:58 pm

    you guys are the best! thanks for sharing your knowledge!

  12. Tbone on July 23, 2022 at 12:00 am

    The painters plastic will be disintegrated in two summers.

  13. JonTopping on July 23, 2022 at 12:00 am

    Would it be a good idea, or a bad idea, to double up on the plastic layers? Like just have two of the sheets, back to back. Would that double the insulation? My hope would be that I could keep peppers alive for a whole Canadian winter.

  14. A Patriot on July 23, 2022 at 12:00 am

    Collards are way to close, need 3’

  15. John Parker on July 23, 2022 at 12:01 am

    Did anyone notice his dead basil at the end because basil doesn’t go in a greenhouse in full sun lmao.

  16. Slava Ukraini on July 23, 2022 at 12:03 am

    Don’t think the staples will hold that plastic sheet when the wind picks up😂💨💨

  17. marion B on July 23, 2022 at 12:03 am

    Imreally enjoyed this video, but is there any wind? And I really missed the way you solved the folieproblem at the back

  18. Kalavara Thanthram on July 23, 2022 at 12:05 am

    Great video 🙏

  19. bikinggal1 on July 23, 2022 at 12:05 am

    basil likes shade!!

  20. Dragon Slayer on July 23, 2022 at 12:06 am

    Good thing I didn’t pause the video and go get the stuff they said to get cuz I seen a few things there that wasn’t on the original shopping list

  21. Cameron Codona (Official) Dalek /Prop Maker on July 23, 2022 at 12:07 am

    I love the vid an all and see basic materials to create amazing structures, but why use phillips if you used star drive for some, star drive are far superior as they dont cause round over or slip when driving them in. Ive been using star drive ever since.

    Cameron from the uk

  22. nima J on July 23, 2022 at 12:09 am

    It was so satisfying 😍

  23. Leonardo Artist on July 23, 2022 at 12:09 am

    A little shopping advice: always load your cart with the longest items-last. This way you don’t have to navigate the isles, turns and other shoppers with long pipes/boards, etc sticking out and hitting merchandise and people.

  24. Joe Schmoe on July 23, 2022 at 12:10 am

    No no no no no Now he’s got to go in there with a weed eater? And there’s no way that that would hold up in the weather around here with the wind I got.

  25. The Bubba Continuum on July 23, 2022 at 12:10 am

    How do you ventilate this in the broiling summers?

  26. Ryan Baxley on July 23, 2022 at 12:12 am

    Their was alot of material not purchased first trip and they didn’t use greenhouse plastic

  27. You Tube on July 23, 2022 at 12:13 am

    Which lasts longer, this green house or a snowball in hell?

  28. Cole on July 23, 2022 at 12:14 am

    Seriously the native soil in Mississippi isn’t good for growing? I thought that was like the Mississippi delta and the river running down you’d think it would’ve gotten all the good soil washed down.

  29. J M on July 23, 2022 at 12:14 am

    Wish we can go back to get everything we need anytime now is not material in home depot like before and price are higher. ☹️ Hope we get better soon.

  30. Caleb Erwin on July 23, 2022 at 12:15 am

    Dude sounds like a robot.

  31. Bindi Berry on July 23, 2022 at 12:17 am

    Should I spray Tuttle WAX on the plastic sheets for UV protection so it can last for a year?

  32. Lady Pink Bags Etc. on July 23, 2022 at 12:21 am

    This is awesome!

  33. Dan W on July 23, 2022 at 12:21 am

    Why would you use pressure treated lumber for anything garden related? Pressure treated = poison!
    It will bleed into the soil, into your plants
    That you’re going to eat.
    Cedar is way better.
    Also on the cheap, pallets with an HT stamp branded into the wood means heat treated, and it’s safe to use for gardening. You can use vegetable oil or olive oil to treat the wood.
    Food for thought.

  34. Clay Epiphany on July 23, 2022 at 12:21 am

    Fantastic craftsmanship, a fantastic idea, thank you, would love to make one like that!

  35. JMan on July 23, 2022 at 12:21 am

    Is this 200 PSI pipe or higher?

  36. MSA 454 on July 23, 2022 at 12:22 am

    Most of what he’s growing wont have any issue with a frost.

    His ground is better than the dirt we use in our gardens in the NE.

  37. Shawn Marcin on July 23, 2022 at 12:23 am

    My boy Rogah is wicked smahhhht

  38. Gene den Daas on July 23, 2022 at 12:24 am

    Absolutly incomplete information to follow along with this video. It is not a well made ‘ How to Video:

  39. Joey Miller on July 23, 2022 at 12:26 am

    For godly sorrow worketh repentance to salvation not to be repented of: but the sorrow of the world worketh death. (2 Corinthians 7:10)
    Let the wicked forsake his way, and the unrighteous man his thoughts: and let him return unto the LORD, and he will have mercy upon him; and to our God, for he will abundantly pardon. (Isaiah 55:7)
    For the wages of sin is death; but the gift of God is eternal life through Jesus Christ our Lord. (Romans 6:23)

  40. JMan on July 23, 2022 at 12:26 am

    What was the W X L for the plastic?

  41. Fearless monkey on July 23, 2022 at 12:29 am

    Buuuu

  42. marker113 on July 23, 2022 at 12:29 am

    Haha said the soil was bad, then when drilling it was black and loamy:)

  43. King Ardoin on July 23, 2022 at 12:30 am

    This is the perfect example as why this old house is a worthless thing that is made, No one should watch it its full of lies and false impressions,

  44. Maggie B on July 23, 2022 at 12:31 am

    Thank you now I know what I need to buy to make my cannabis greenhouse

  45. Harvey Byars on July 23, 2022 at 12:31 am

    I’m from Mississippi and my folks worked out hind ends of growing and harvesting vegetables I don’t know why you say the soul isn’t good for growing them. I used to pray they wouldn’t grow but they always did

  46. Marek Samko on July 23, 2022 at 12:31 am

    I rebuild the polly tunnel exactly as they did and it doesn’t hold the door frame there’s two doors needed one on each side which obviously makes it more expensive next time am leaving the door frame to the pros

  47. Donna Murphy on July 23, 2022 at 12:32 am

    You go to the store for the materials but there are things that were not mentioned like the pipes, clamps, adapters, screws, staples.

  48. Mariah Rivera on July 23, 2022 at 12:33 am

    Hi there! Does ankering the pvc into the ground rather than the frame make a difference? Also what type of plastic covering did you use here?

  49. Sully H on July 23, 2022 at 12:34 am

    Don’t forget your safety glasses to hammer a post into the ground 😶

  50. GDM on July 23, 2022 at 12:41 am

    OMG that Boston or NY accent is so annoying .

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