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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.
Bend your own hoops with a DIY kit
Trade savings for sweat equity by bending your own hoops with our pole bender.

The DIY kit has you purchasing the poles and wood locally at your hardware store.
Watch us install our greenhouse, step by step.
View PDF Instructions
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Base Kit Includes:
-
NRCS Friendly 6mil Plastic w/ 4 Year Warranty
- Spring Wire & Lock Channel (for plastic attachment) -
- Cross Connectors -
- Ground Post Driver -
- Bolts & Screws -

The pole bender is an add-on, so make sure to add it if you need one.

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.
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
Check out our additional how-to's videos before you buy:

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
203114 72713 10' x 3/4" EMT for Bows & Ridge Poles $6.31 $6.31 8 16 22 32 40
580015 72715 10' x 1" EMT Conduit for Ground Posts $10.58 $11.28 3 6 8 11 13
160954 1408 1" x 2" x 8' Furring Strip for Hip board $1.18 $2.61 12 24 32 44 52
Total Cost $97 $193 $262 $370 $452

Purchase Locally 10-12ft 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 & ridgepoles $13.63 $13.58 14 26 38 50 62
1004028096 552282 8 ft 1-5/8 in. line post for ground posts $17.98 $17.28 6 11 16 21 26
914835 962 1" x 8" x 8' ledger board for base board $12.08 $11.51 6 12 18 22 28
441317 54349 2" x 4" x 8' stud for door $5.62 $4.79 16 16 16 16 16
161897 7499 1" x 4" x 8" board for door $7.90 $6.10 2 2 2 2 2
161756 95705 2" x 6" x 12' board for end-walls $6.00 $10.78 2 2 2 2 2
Total Cost $543 $792 $1,110 $1,406 $1,724

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 & ridgepoles $13.63 $13.58 20 37 54 71 88
1004028096 552282 8 ft 1-5/8 in. line post for ground posts $17.98 $17.28 6 11 16 21 26
914835 962 1" x 8" x 8' ledger board for base board $12.08 $11.51 6 12 18 22 28
441317 54349 2" x 4" x 8' stud for door $5.62 $4.79 16 16 16 16 16
161897 7499 1" x 4" x 8" board for door $7.90 $6.10 2 2 2 2 2
161756 95705 2" x 6" x 12' board for end-walls $6.00 $10.78 2 2 2 2 2
Total Cost $626 $942 $1,328 $1,692 $2,079

Purchase Locally Optional Roll-Up Sidewall Kit: 

HD Part Lowes Part Description HD Price Lowes Price 20' Long 40' Long 60' Long 80' Long 100' Long
914835 962 1" x 8" x 8' ledger board for hip board $12.08 $11.51 6 12 18 22 28
203114 72713 10' x 3/4" EMT for roll-up side $6.31 $6.31 6 10 14 18 22
Total Cost $111 $208 $306 $380 $477

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