PE polyethylene film, approx. 170 µm thick, largely free of recycled materials, therefore odorless. Prevents moisture diffusion with an Sd-value of approximately 100 m per DIN 52 615. Suits floor installation on mineral substrates like concrete or leveling compounds when placed beneath sound insulation layers. All rolls are folded to a width of 100 cm. Recommended accessory: JK119 aluminum sealing tape.