non-woven geotextile / polypropylene / drainage / green roof
Thermally strengthened filter sheet of PP, highly resistant to mechanical stress, applicable especially on Protectodrain® PD 250 and on bulk material.
- highly resistant against mechanical stress
- very high tensile strength
- resistant to all naturally occurring acids and alkali
- chemically and biologically neutral
- high passage of water
- quick and easy installation