20ft wide Straight Wall Profile



20 ft wide Straight Wall Profile

Named after Redding, California’s iconic Sundial Bridge, our 20×100 straight wall greenhouse is equipped with 1.58OD 14-gauge metal hoops (including a dep collar). Spacing is set at 5ft on center with three runs of 1.38OD 16-gauge purlins. All purlins are attached with premium aluminum cross connectors. End wall kit consists of 1.58OD 14-gauge metal with appropriate hardware for framing in end wall.

We use 8ML String reinforced 3-ply clear poly on all our kits. This poly has a light transmission of 85% and a 4-year rating.

Sundial Frame Only – $6,616.50 (frame includes hoop, purlins, and purlin clamps only).
Sundial Package Price – $18,907.40. Also included in the Sundial package:

  • 36” Exhaust Fan.
  • Exhaust Fan Thermostat.
  • 3 ea. 36” Light Traps.
  • Automated Light Dep Controller.
  • 4 ea. 20” HAF interior fans.
  • 25 Sticks of 12ft Channel for side roll-ups and end walls.
  • HD clamps for easy attaching hoops to baseboard (baseboard not included).
  • Tek Screws and full detailed instructions.

Find more addons and upgrades to customize your greenhouse below…
Once you have selected your addons, you will see an option to pay in full or pay a 15% deposit. This deposit secures your greenhouse order. Please be aware that we need at least 50% of the total of your order to begin manufacturing. Therefore, you will need to contact T3 Greenhouse Supply to make arrangements to pay the remainder of your deposit so we can get started.


Pay a 15% deposit per item
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Additional information


Sundial Frame Only 12'9" peak height. 6 ft side wall., Sundial Package