Waterproof polyethylene strips requested-Switzerland

Merhaba, looking for this:
Polyethylene strips with waterproof and sound insulation feature:

Polyethylene strips with waterproof and sound insulation feature with a width of 10 cm as well as 15cm are required. See also the blue strip marked with a red arrow in Annex 2 is nonsticky and 10 cm, but there is also need for a 15 cm product. This is used for construction of gypsum block walls and is waterproof with the following features: