| abstract |
A lightweight construction element comprising a multi-wall textile fabric and at least one expanded thermoplastic polymeric material selected from the group consisting of polyurethane (PUR) and polyisocyanurate (PIR), the expanded material between the walls of the multi-wall fabric having the textile tie yarns thereof tautened, the expanded one Material is at least partially connected to the walls of the multi-wall fabric and / or with the textile connecting threads, and the walls of the multi-wall fabric and / or the textile connecting threads of polymer fibers, preferably polyester fibers, aramid fibers, polypropylene fibers, polyamide fibers and / or Polylactidfasern are produced. |