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Felt CIPP Liners

Polyester Felt Liner for CIPP Pipe Rehabilitation

As the pioneer of CIPP liners, United Felts have been manufacturing standard felt liners for nearly 50 years. Our liners conform to ASTM F1216 and ASTM F1743 and produced in ISO 9001, certified facility.

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Inversion

Thermally cured inversion liners are produced in a variety of thickness from 6” to 120” OD.

  • Thickness: Thermally cured inversion: 3mm to 80mm
  • Length: Any
  • Coating type: EnviroCure®, Polyurethane or Polypropylene
  • ISO 9001:2015 Certified

Pull-in-Place

Thermally cured pull-in-place liners are produced in a variety of thickness from 6” to 72” OD.

  • Thickness: Thermally cured pull-in-place: 3mm to 80mm
  • Length: Up to 300 ft
  • Coating type: EnviroCure®, Polyurethane or Polypropylene
  • ISO 9001:2015 Certified

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Latest News

The latest news, events and updates from the United Felts team.

4 June 2025 Press Releases

United Felts Rebrands CIPP H2O® Potable Water CIPP Liner to UnitedBLUE™

Vortex Hires CIPP Quality Expert Rob Stensby to Manage VeriCure® Curing Monitoring System

4 April 2025 Press Releases

United Felts Launches New Website and United World Interactive Experience

17 February 2025 News , Press Releases

Lining the Most Difficult Projects in the Industry

21 November 2024 Articles

EnviroCure®: Unveiling the Only CIPP Liner of Its Kind

2 August 2024 News
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276-656-1904
info@unitedfelts.com

450 College Drive
Martinsville, VA 24112

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