| 摘要 |
<p>Roof component, such as a partition or panel, consists of fibreboard which is profiled in a tongue-and-groove manner on its lengthwise edges, and is coated with plastic film on >=1 side, this film passing over and accurately following the profiles on the edges without seams. Specif. a layer of &36 rethane foam is placed on the panel and the film is placed over the foam. The film consists of polyethylene. Prod. has improved appearance and is protected against damage and penetration of moisture.</p> |
