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NewSeal 409 Rootbarrier

Save £95.50 inc.VAT

Size: 60m2
Color: Black
Sale price£339.80 inc.VAT Regular price£435.30 inc.VAT


Newtons NewSeal - Puncture Resistant HDPE 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
  • 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

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

Product Data

Code: M32

Packaging: Roll: 50m x 1.2m

Colour: Black

Area: 60m²

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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