Unique building with latest design contemporary of Styrofoam, "fourth-generation building material" after wood, iron, and concrete, "according to the prefab home manufacturer International Dome House Inc is a company based in Japan, has developed a modern home design accompanied with a long list of benefits International Dome House Inc. claims. that the expanded polystyrene material covering the active oxygen that lead to the aging and health prevention is better than home and inhabitants. The seven-inch wall about expanded polystyrene also boasts ultra-thermal insulating properties that reduce unwanted heat loss / benefits and energy consumption. This Japan Dome House also offers flexibility by way of modular design. The dome base width 25 ft 13 ft tall, with a 475-sq .- ft. floor space. Buildings like this are a little difficult in the making because its shape is round , thus requiring special expertise, to design buildings like you can become more secure because the structure earthquake-resistant buildings like this, you can comfortably live in it.