Grand Gardener™ 8x8x16.ft Barn-Style Resin GreenhouseDESCRIPTION Model: HG7216 The Grand Gardener 2 Twin wall is made with a heavy duty resin frame and virtually unbreakable twin wall polycarbonate glazing. The weatherproof frame features simplified assembly with the pin & lock system and the translucent roof panels now simply slide into place. Double doors and included roof vent provide excellent ventilation. Secure to a concrete pad or heavy timber foundation. The optional base kit may be added for