• Unique, sloped roof design allows for maximum sunlight capture in winter. During hot summer months it reflects the sunlight, keeping the greenhouse cooler. • Frame is constructed from 16 gauge, 1.5" square Allied Gatorshield® structural steel tubing. • Panels are constructed from UV-stabilized 8mm twin-wall polycarbonate that offers superior heat retention and comes with a 10 year warranty. • Multiple roof and lower vents allow for plenty of fresh air circulation. • For automatic climate control and improved growing conditions, FREE Solar-Powered Vent Openers are included. • 36"W x 80"H aluminum entry door, with 6mm polycarbonate sections, comes complete with stainless steel hinges and lever lock. • Poly Lumber Base is included. • Ideal for colder climates, particularly when you insulate the northern wall with our TekFoil™ reflective insulation. • 4' rafter spacing. Sidewall height 2'4". |