Project description Add a 200-square-foot sunroom, including footings and slab-on-grade foundation. Post-and-beam framing exposed on interior side; extruded aluminum window frame-and-flashing system with insulated, low-E, laminated, or tempered glazing. Provide for natural ventilation using screens; provide ceiling fan. Insulate all non-glass areas; provide movable shades for glass area. Quarry tile or equal on floor.