Exterior, Wood Siding Material, Prefab Building Type, and Metal Roof Material The fireplace that Lake|Flato designed for the deck is the compound’s focal point. “People can go tuck their small kids into bed and then creep back to the fire pit area and be gregarious late into the night,” Wallace says.  Photo 1 of 11 in Take it Outside With These 11 Spring-Friendly Deck Spaces from Modular Compound is the Ultimate Retreat for Three Generations