Outdoor, Rooftop, Wood Patio, Porch, Deck, Decking Patio, Porch, Deck, Flowers, Gardens, Horizontal Fences, Wall, and Wood Fences, Wall Two Harry Bertoia-designed chairs sit on the main third story deck, which includes a hidden green roof that absorbs rainwater, cools the upper floors, and purifies the air. “It’s a nice little oasis on the roof, with plants that bloom at different times of year. The owners love spending time up there,” Dubbeldam says.  Contrast House by Laura C. Mallonee