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DIY High Tunnel Greenhouse Kit

Built to Last in Any Climate
Protect your investment with a base kit that can weather the extremes.
In 1 weekend, you'll have a structure that will stand strong season after season.
With the DIY kit, bend your own hoops to save $$$...
Trade savings for sweat equity by bending your own hoops with our pole bender. It takes just a few minutes per hoop.
Watch us install our greenhouse, step by step.
View PDF Instructions
ALL KITS
FREE AND FAST SHIPPING*

Base Kit Includes:
-NRCS Friendly 6mil Plastic w/ 4 Year Warranty
(plastic cut lead time is 6-10 business days plus shipping)
- Spring Wire & Lock Channel (for plastic attachment) -
- Cross Connectors -
- Ground Post Driver -
- Bolts & Screws -

We can send you EVERYTHING except the wood and metal poles, both of which you can get cheaper at Home Depot or Lowes than us shipping it to you.

Adaptable to ALL Climates
Add options like roll-up side walls or double layer poly.

Finish in as little as 1 weekend by 2 people.
Additional Materials:
Tools Needed
Start Here
Build a kit at our Greenhouse Kit Builder page.
Click Here to Build Your Kit

High Tunnel Greenhouse Height by Width

The height of your greenhouse is generally determined by the width you plan to build. The below guide will help you better estimate the height of your finished greenhouse. You can adjusted the higher or lower by using larger ground posts, but these are the estimated heights using the instructions provided (4' ground posts - 2' above ground).

Greenhouse Width (ft) | Approximate Height (ft)
6 | 4
10 | 8.5
12 | 8
20 | 10.75
24 | 14.5
Check out our additional how-to's videos before you buy:
Click Here to Build Your Kit

Purchase Locally 6ft Wide Greenhouse Kit: 

HD Part Lowes Part Description HD Price Lowes Price 20' Long 40' Long 60' Long 80' Long 100' Long
101550 72713 10' x 3/4" EMT for bows, ridge 4.73 5.55 8 16 22 32 40
101568 72715 10' x 1" EMT Conduit for Ground Post 8.1 10.48 3 6 8 11 13
160954 4511 1" x 2" x 8' Furring Strip for Hip board 1.18 1.18 12 24 32 44 52
        Total Cost $76 $153 $216 $292 $356

Optional Additions for Roll up Sidewalls or Hipboard: 

HD Part Lowes Part Description HD Price Lowes Price 20' Long 40' Long 60' Long 80' Long 100' Long
101550 72713 10' of 3/4 in. EMT for roll-up sides 4.73 5.55 6 10 12 18 22
        Total Cost $28 $47 $66 $85 $104

Purchase Locally 10ft-12ft Wide Greenhouse Kit: 

HD Part Lowes Part Description HD Price Lowes Price 20' Long 40' Long 60' Long 80' Long 100' Long
181697 103268  10 ft 1-3/8" top rail for bows & ridgepole 12.98 11.81 14 26 38 50 62
623105 552282 8 ft 1-5/8 in. line post for ground posts 17.58 15.98 6 11 16 21 26
204654982 940 1" x 8" x 8' ledger board for base board 3.92 6.27 6 12 18 22 28
161640 6005  2" x 4" x 8' stud for door 3.33 3.07 16 16 16 16 16
101697 73140 26" x 8' clear roofing panel for door 21.97 21.97 2 2 2 2 2
148CS1S2E 7499 1" x 4" x 8" board for door 6.67 6.48 2 2 2 2 2
161756 432486 2" x 6" x 12' board for end-walls 7.56 7.59 2 2 2 2 2
        Total Cost $406 $651 $896 $1,133 $1,378

Optional Additions for Roll up Sidewalls or Hipboard: 

HD Part Lowes Part Description HD Price Lowes Price 20' Long 40' Long 60' Long 80' Long 100' Long
204654982 940 1" x 8" x 8' ledger board for hip board 3.92 6.27 6 12 18 22 28
101550 72713 10' of 3/4 in. EMT for roll-up sides 4.42 4.64 6 10 14 18 22
        Total Cost $50 $91 $132 $165 $207

Purchase Locally 20ft Wide Greenhouse Kit: 

HD Part Lowes Part Description HD Price Lowes Price 20' Long 40' Long 60' Long 80' Long 100' Long
181697 103268  10 ft 1-3/8" top rail for bows & ridgepole 12.98 11.81 20 37 54 71 88
623105 552282 8 ft 1-5/8 in. line post for ground posts 17.58 15.98 6 11 16 21 26
204654982 940 1" x 8" x 8' ledger board for base board 3.92 6.27 6 12 18 22 28
161640 6005  2" x 4" x 8' stud for door 3.33 3.07 16 16 16 16 16
101697 73140 26" x 8' clear roofing panel for door 21.97 21.97 2 2 2 2 2
148CS1S2E 7499 1" x 4" x 8" board for door 6.67 6.48 2 2 2 2 2
161756 432486 2" x 6" x 12' board for end-walls 7.56 7.59 2 2 2 2 2
101550 72713 10' of 3/4 in. EMT for roll-up sides 4.42 4.64 6 10 14 18 22
        Total Cost $503 $825 $1,147 $1,461 $1,782

Optional Additions for Roll up Sidewalls or Hipboard: 

HD Part Lowes Part Description HD Price Lowes Price 20' Long 40' Long 60' Long 80' Long 100' Long
204654982 940 1" x 8" x 8' ledger board for hip board 3.92 6.27 6 12 18 22 28
101550 72713 10' of 3/4 in. EMT for roll-up sides 4.42 4.64 6 10 14 18 22
        Total Cost $50 $91 $132 $165 $207