| abstract |
The invention is directed to a sealing device comprising a functional layer (2) having a first major surface and a second major surface and a barrier layer (3) directly or indirectly connected to the second major surface of the functional layer (2), wherein the functional layer (2) has a surface roughness characterized by a waviness factor Wf. The invention is also directed to a method for producing a sealing device and to use of a sealing device for waterproofing of a substrate. |