POLINVENT | USA

Flexible liner for bend-heavy networks

Helixliner Flex

The all-rounder liner for bend-heavy rehabilitation networks.

HELIXLINER FLEX is engineered to remove the old trade-off between handling flexibility and structural confidence. It gives crews predictable behavior from wet-out to cure, even in tight geometries.

Public release: Thursday, February 12, 2026 at 7:00 PM CETTrue 90° bend navigationInversion via drum/Sluice Adapter preferred
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Helixliner Flex folded profile

Perfect For

Complex municipal and commercial networks with dense bends

Bend Navigation

True 90° navigation with controlled expansion and no wrinkling

Wet-Out

3D knit profile supports fast, even impregnation across runs

Installation

Inversion with Sewerbot drum or Sluice Adapter preferred; pull-in-place optional

Helixliner Flex
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Overview

Designed for high-bend lines without structural compromise

HELIXLINER FLEX delivers stable handling in dense branch networks, maintains controlled expansion in tight turns, and keeps curing performance consistent across field conditions.

Key Benefits

  • Built for confidence in complex geometry where wrinkles and folds typically increase risk.
  • Supports repeatable resin loading and cleaner process control from setup to cure.
  • Integrates directly with Polinvent curing systems for stronger QA consistency.
Nested Helixliner liners prepared for deployment

Applications

Where Helixliner Flex creates the clearest operational advantage

Bend-Heavy Residential Networks

Navigate tight geometry and branch-rich lines while preserving cured-wall integrity and crew control.

  • Handles frequent elbows and tight turns without fold formation.
  • Stable behavior through diameter shifts common in legacy housing stock.

Commercial Service Lines

Maintain repeatable handling in mixed-access installations where job tempo and predictable setup matter.

  • Consistent wet-out and inversion behavior across varied run lengths.
  • Reduced process variability supports faster handoff between teams.

Utility Rehabilitation Programs

Scale structured rehab workflows with a liner designed for repeatability, QA confidence, and throughput.

  • Pairs cleanly with UV/LED and thermal cure stacks in one portfolio.
  • Supports standardized field execution across multiple crews.

Workflow

Predictable field flow from wet-out to QA

The liner is tuned for consistency at every phase, helping teams keep planning tight and outcomes repeatable across mixed network conditions.

Step 01

Wet-Out

Fast, consistent impregnation enabled by the 3D knit profile.

Step 02

Inversion

Controlled insertion through heavy bends with reduced deformation risk.

Step 03

Cure

Compatible with ambient, hot-water, steam, and UV/LED methods.

Step 04

QA Ready

Predictable outcomes and cleaner verification across projects.

Technical Specifications

Field-ready specification matrix

Material Compatibility

Resin Compatibility
Epoxy, Silicate, Polyester, Vinyl Ester
Optimized For
Methacure, Ultracure, Viscorise (UV), and Epoxcure systems
Curing Methods
Ambient, Hot Water, Steam, UV/LED
Coating Technology
High-grade TPU with strong chemical and heat resistance

Installation Profile

Wall Thickness
>=3 mm (cured)
Installation Modes
Inversion with Sewerbot drum or Sluice Adapter preferred; pull-in-place optional
Expansion Behavior
Controlled longitudinal expansion

System Fit

HELIXLINER FLEX is tuned for mixed-field operations where handling confidence and process repeatability are priority metrics.

  • Works across ambient, thermal, and UV/LED curing workflows.
  • Pairs directly with Polinvent resin and curing ecosystems.
  • Supports standardization in multi-crew rehabilitation programs.

Deployment support

Ready to run Helixliner Flex on your next project?

We can help you match liner specification to your pipe geometry, resin system, and curing workflow for faster field deployment.

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