12x20x8/3, 7×6, 1×2, 4 M, 6 Rib Peak Style Greenhouse”-A-Box

ShelterLogic’s GrowIT 12 x 20 x 8 ft. Heavy Duty Walk-Thru Greenhouse with roll-up side vents deliver quality construction, quick and easy assembly and best in class value. Featuring 1 5/8 in. heavy duty all-steel frame, patent pending ShelterLock Stabilizers, Ratchet-Tite tensioning, and the Easy Slide Cross Rail System for a stable and durable Greenhouse. The specially designed ClearView triple-layer, heat bonded Rip Stop translucent cover provides enhanced illumination for plant growth and protection. Roll-up side panels and half moons screen vents at each end provide optimal airflow and temperature control. Ready to build right out of the box, the GrowIT Greenhouse is the perfect shelter for experienced growers! Material Polyethylene 5.5 oz Frame Color Gray Color Translucent Door Type 2 Double Zippered Doors, Front and Rear Size 12 x 20 x 8 ft. Width 12 ft. Length 20 ft. Height 8 ft. Rib Tubing Diameter 1.65 in. Total Storage Area 241.98 sq. ft. Total Storage Volume 1607 cu. ft. Assembly Required Yes Assembled Exterior Dimensions Width 145.76 in. Assembled Exterior Dimensions Depth 239.06 in. Assembled Exterior Dimensions Height 100.38 in. Assembled Interior Dimensions Width 142.46 in. Assembled Interior Dimensions Depth 235.76 in. Assembled Interior Dimensions Height 98.73 in. Door Opening Width Top 40 Door / Entrance Width Bottom 120 in. Door / Entrance Height Outside 88 in. Wall Height 69.74 in. Peak Height 30.64 in.