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NewSeal 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
  • FAQ
  • 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

    FAQ

    FAQ

    What is NewSeal 409 Root Barrier?

    NewSeal 409 Root Barrier is an impermeable High Density Polyethylene (HDPE) membrane designed to eliminate root penetration. It provides robust root-proof protection to the primary waterproofing membrane in green roofs or planters where intrusive root systems are present.

    What are the technical specifications of NewSeal 409 Root Barrier?

    The technical data of NewSeal 409 Root Barrier includes water-flow rates at different pressures, compressive strength, water vapour diffusion resistance, CBR puncture resistance, tensile strength, chemical resistance, and oxidation resistance. It has a high water vapour diffusion resistance and excellent chemical and oxidation resistance.

    What are the typical applications of NewSeal 409 Root Barrier?

    NewSeal 409 Root Barrier is typically used in green roofs or planters where intrusive root systems pose a threat. It is installed to prevent root penetration and protect the primary waterproofing membrane in such applications.

    What is the packaging size and colour of NewSeal 409 Root Barrier?

    NewSeal 409 Root Barrier is packaged in rolls with dimensions of 50m x 1.2m. It comes in black colour and covers an area of 60m².

    Where can I find more information or support for NewSeal 409 Root Barrier?

    For more information, technical data sheets, or support, you can download the NewSeal 409 Root Barrier TDS and NBS Clause. Additionally, you can seek design support, request a contractor, or request an architect through the available options.

    Speak to our friendly, expert team

    Our staff are able to provide guidance for projects of all sizes, whether you require some general advice about damp or waterproofing, or support with technical drawings and specifications.


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