| 摘要 |
<p>Board of natural or composed wood which improves the thermal properties of the original raw material, and it is used in various way as constructive element (doors, windows, panels, walls, supports, ecc...). The wood board are made from two or more incisions along the longitudinal direction, continuous and/or discontinuous, belonging to plans that are parallel to each other and/or inclined. In the created cracks it is inserted a stratified thermal insulating package composed from materials with smooth surface, and/or with rough surface, and/or with reflective surface, and/or with thermal-electric control.</p> |
