PRINETO Knobbed foil 12 for thin-layer system, self-adhesive (1 box/pc = 9,6 m²)

Perforated, self-adhesive, for thin-bed underfloor heating systems, made of non-deformable foil with knobs that can bear walking on, for tool-free pipe fixing of surface heating pipe 12, perforated for better connection of screed and base, simple board connection thanks to knob overlap at the side,