Key Details | Traditional Glass Lean-to Greenhouse Dimensions: Optional Frame: Aluminum Color: White, Green, Brown Covering: 3mm Overlaps Tempered Glass, Optional: 6mm Polycarbonate Door(s): Storm Door, Optional: Double Doors Vents: 2 - 6 Foundation: Options - Concrete Piers or Slab Warranty: Frame - Lifetime; Covering - 10 years Add grace and beauty to your home with the Traditional Series Lean-to Glass Greenhouse. Built for year-round durability, it features a sturdy aluminum frame and tempere