Demarcation Fabrics


Orange demarcation fabrics are an effective visual warning layer on construction and remediation sites.  Excavation of sites with underground utilities can be hazardous and result in costly repairs.  The bright orange fabric alerts workers to stop digging before coming in contact with a buried structure.  This prevents damage and results in safer excavation.

Demarcation fabrics also prevent damage to archaeological sites. Federal and State laws require that these sites be protected from construction damage, so it is vital to ensure they remain undisturbed.  Demarcation fabrics indicate the presence of these materials and act as a protective barrier while site work continues.  They also protect against future excavation damage.

Orange demarcation fabrics are ideal for separating contaminated soils on Brownfield sites.  They are a cost-effective alternative to removing and transporting contaminants offsite.  Marking contaminated soils prior to backfilling with clean soil saves both time and money.  In addition to their superior filtration and separation capabilities, they are a visible warning barrier for future excavation.

Our demarcation fabrics offer exceptional durability as well as superior physical and hydraulic properties.  They also provide cost-effective and environmentally friendly protection for various remediation, construction, and environmental applications.  Since project specifications vary, we offer several types of demarcation fabrics and netting.  Our most commonly used products are shown below.  Please call us at 609-971-8810 so we can help you select the right material for your project.

Orange Demarcation Netting

  • Lightweight orange extruded polypropylene netting with a 1/4″ or 3/4″ opening size.
  • 17′ wide rolls for fast and easy installation.

Woven Demarcation Geotextiles

  • Lightweight woven polypropylene geotextile, 24 x 8 weave of natural & orange tapes. Roll size: 12′ x 300′.
  • Available with “Danger-Do Not Dig” in English and/or Spanish printed every 10′.

Nonwoven Demarcation Geotextiles

  • Hi-Vis orange nonwoven geotextile fabrics. Typical weight: 4 -8 oz./sy.  Roll size: 15′ x 300’.
  • Hi-Vis green nonwoven geotextiles made from recycled polyester fibers. Typical weight: 4.5 oz./sy up to 16 oz./sy.  Roll size: 12.5′ x 400′ or 15‘ x 300′.
  • White polyester spun-bonded nonwoven geotextile.  Typical weight: 2 oz./sy. Roll size: 15′ x 300′
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Disclaimer: These guidelines are for informational purposes only and are intended as illustration or general information only and are not intended as a guarantee or warranty. IWT assumes no responsibilities in connection with the use of this information.