Passive Solar-Heated Greenhouse - 20' Long

• Constructed from heavy-duty, 14 gauge, 1.90"OD Allied Gatorshield structural steel tubing.
• Top covering is our exclusive double layer, 4 year 6 mil greenhouse film, with Inflation Fan Kit that allows for superior heat retention.
• "Twist-of-the-wrist" roll-up assembly makes ventilation easy.
• Ends are covered with 8mm twin-wall polycarbonate that offers superior insulating and reduced heating costs, and comes with a 10 year warranty.
• 8'H waterwall captures and absorbs the daytime sun, releasing it back at nighttime.
• Units come equipped with a 36"W x 80"H heavy duty aluminum entry door, complete with 6mm polycarbonate sections at both top and bottom, stainless steel hinges and latch and all necessary hardware for installation.
• Optional second door kit is available and sold separately.
• All units are 22'8" W x 14'7"H.
• 5' rafter spacing.