Light Deprivation Pivot Arm Assembly Kit (2 Sides) moisture 30'x80' Semi-Gable greenhouse frames have

30'x80' Semi-Gable greenhouse frames have taller sidewalls that reach a higher peak than the Quonset greenhouse frame type

pull your plastic taught and then trap the plastic inside of the channel base using wiggle wire

Tension Springs

Heaters in use over 2000ft of elevation will require a conversion kit to increase efficiency

Greenhouse LED Grow Light

Light Deprivation Pivot Arm Assembly Kit (2 Sides) moisture 30'x80' Semi-Gable greenhouse frames haveEvery light deprivation system will require this kit, and additionally either a chain crank, or electric motor to complete the full system. This kit comprises of: 2 x Telescoping arms 2 x Steel Pivot Posts (4ft square stock) 2 x Guide Pipe Swivel Bracket