INALFLEX waterproof membrane
- 3-layer: spunbond polypropylene + polypropylene film + spunbond polypropylene
- 50 m x 1,5 m
- 135 g/m2
- High vapor permeability
- Water resistance
- Durability
- Very flexible and tear-resistant
- Easy to assemble and transport
These sheets are placed between the slab and the battens. They can be secured with double-sided butyl tape, which you can find here.
You can see an example of an installation in this YouTube video starting at 1:30.
You can find the characteristics of the waterproof membrane here.