住宅自身的节能技术隔热方式日本住宅的隔热按其部位采取不同的隔热方式。一般地说,屋面、地面为内保温,即屋面在结构层下侧设隔热层,地面(日本地面一般都架空)在地板结构层上侧架空层内设隔热层;对于多层房屋来说,楼层之间一般不设保温层;屋面因结构形式与防水工 Residential energy-saving technology of their own insulation method Japanese residential insulation according to the site to take a different method of insulation. In general, the roof, the ground for the internal insulation, that is, the roof insulation layer on the underside of the structure layer, the ground (generally on the ground in Japan) in the upper layer of the floor structure layer overhead layer insulation layer; for multi-storey housing Said that there is generally no insulation between the floors; roof due to structural forms and waterproofing