01732 360 095

Newton 409 Root Barrier

Designed to eliminate root penetration. Consists of an impermeable High Density Polyethylene (HDPE) membrane, providing robust root-proof protection to the primary waterproofing membrane to green roofs or planters where intrusive root systems are present.

  • Key Benefits
  • Typical Applications
  • Technical Data
  • Key Benefits

    Key Benefits

    • Excellent chemical and biological resistance.
    • Suitable for existing and newly planted trees and plants.
    • Lightweight.
    • Durable.
    • Resistant to sea water and fertilizers.
    • Quick and easy to install.

    Typical Applications

    Typical Applications

    As a root barrier to protect the waterproofing membrane from root damage within intrusive green roof systems or planters.

    Technical Data

    Technical Data

    Installed Performance Result
    Water-flow at 20 kPa – 1:80 slope – Upper layer 0.07 l/m/s
    Water-flow at 100 kPa – 1:80 slope – Upper layer 0.04 l/m/s
    Water-flow at 200 kPa – 1:80 slope – Upper layer 0.02 l/m/s
    Compressive strength – Temporary loading >240 kPa
    Compressive strength – Permanent loading >120 kPa
    Water vapour diffusion resistance – Sd value >604m
    Water vapour diffusion resistance – µ value >1208000µ
    Water vapour diffusion resistance >3020 MNs/g
    CBR puncture resistance 2800.00 N
    Tensile strength (Machine direction) 19 kN/m2
    Tensile strength (Cross direction) 10 kN/m2
    Chemical resistance Excellent
    Oxidation resistance Excellent

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