| 摘要 |
The floor comprises a load-bearing layer including a concrete ceiling (20), a lower layer (22) containing grains made of recycled polyurethane foam, having a size ranging from 1-20 mm, whose thickness is set in the range of 30-230 mm, and a layer (30) consisting of water-impermeable film such as plastic film having a thickness of 0.03-0.3 mm. An upper layer (32) containing an anhydrite as binder and supplement agent and having a thickness of 10 mm, is formed on the layer (30). The floor panels and supports (34) are formed in contact with the upper layer. An independent claim is included for production method of technical building floor. |
