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The market leading Terrastop™ silt fence range offers unrivalled performance in controlling pollution caused by silt laden construction site stormwater run-off.

Terrastop™ Silt Fences (Copy) - Hy-Tex (UK) Ltd.

TerraStop™

Silt Fences

Terrastop™ Silt Fences

High performance silt fences used to control silt pollution caused by construction works and stormwater run-off.
“the Hy-Tex [Terrastop Premium] material appears to be the most suitable material for use as sediment retention as it has the most consistent performance between differing soil types retaining the highest volumes of sediment for both gley and peat solutions.”Kirsty Liddon’s Edinburgh University Dissertation
  • High Quality. Terrastop silt fences are special, high quality, permeable, technical filter fabrics designed to intercept and detain stormwater run-off, trapping harmful silt through settlement and filtration before it leaves the site
  • Enhanced Filtration. Fibrous weft yarn enhances silt filtration whilst keeping a high permeability, ensuring water is not back logged (Premium)
  • Strong. Our silt fences have high tensile strengths and burst strength to withstand the forces of stormwater and build up
  • UV Stabilised. All have Premium UV stabilisation to ensure the silt fences do not degrade
  • Durable. Non-fraying edges and tear resistant fabric meaning the silt fence is durable and self supporting between fixing posts (Premium)

Futher your knowledge

Tell me more about the problem
Many construction, forestry and farming activities result in disturbed or bare ground that is vulnerable to weather erosion. The silt laden run-off, plus site debris and other pollutants, often contaminates surrounding land, rivers, streams, lakes and drains – resulting in significant environmental diffuse pollution and potentially costly fines.

However, due to the on-going nature of such work, it is generally not possible to protect exposed surfaces until the project is complete. So stormwater from such sites represents a major non-point source of diffuse water pollution in the UK.

How does a silt fence work?
Terrastop™ Premium is a special, high quality, permeable, technical filter fabric for stormwater surface runoff pollution management. Terrastop™ can be installed as an entrenched vertical entrapment fence, and is designed to intercept and detain stormwater run-off, trapping harmful silt through settlement and filtration before it leaves the site.

The benefits of the silt fence are increasingly becoming recognised in Britain: The Environment Agency/SEPA Pollution Prevention Guidelines (PPG5) now recommend the use of silt fences to reduce silt transport from exposed ground and stock piles; and research at The James Hutton Institute, using Terrastop silt fencing, demonstrated that even after post-harvest contour grubbing of potato fields an estimated 80 tonnes of soil containing 60-70 kg phosphate-P contaminants was trapped from a 17ha field [Dr Andy Vinten].

Silt fences have also been used extensively in other countries for many years, and their proven performance (Intercepting up to 86% of suspended solids [Horner et al. 1990]) has made them a standard Best Management Practice on a diverse range construction projects, while in-depth research and practical experience has identified the most important characteristics for effective results.

What is silt and stormwater runoff?
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.
What other method are available to prevent silt pollution?
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.
Common names for a silt fence
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.
Feature Terrastop™ Premium (Terrasilt GR180) Terrastop™ HighFlow
Tensile Strength: 22kN/m 32kN/m
Puncture Resistance (CBR): 3,500N 3,700N
Permeability
(ISO 11058):
21 l/m².s (45 l/m².s to AS 3706.9) 190 l/m².s
Opening Size
(ISO 11058):
180µm 320µm
Weight: 200g/m² 145g/m²
Material: 1000µ thick, green/black, 400kLy UV stabilised, polypropylene, tear resistant non-fraying edges. 500µ thick, green/black, 450kLy UV stabilised, polyethylene, tear resistant non-fraying edges.
Roll Size: 0.75 x 100m 1.00 x 100m
Other Key Features: Fibrous weft yarn, burial depth and max silt height marker lines, top tying-off + tensioning ribbon.

Features/Benefits

  • Burial depth and max silt height marker lines
  • Top tying-off + tensioning ribbon
  • Fibrous weft yarn provides excellent filtration (Premium)
  • Proven performance
  • Traps harmful silt via settlement and filtration
  • Purpose designed for application
  • High tensile strength
  • UV Stabilised
  • Non fraying reinforced edges
  • High quality weave
  • Exceptional balance of permeability vs filtration

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Terrastop™ Silt Fence supplied by Hy-Tex (UK) Ltd. Tel: 01233 720097
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