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StifPipe®

Product Description

StifPipe® is comprised of a custom-design sandwich structure without the need of excessive layers of carbon fiber. It is a high-strength, lightweight, and corrosion resistant product ideal for water, wastewater, stormwater, oil, gas, and other fluid conveyance systems subject to internal and external loads. StifPipe®’s strength to unit weight ratio is unmatched by any material used in the pipeline industry. It can be used for structural pipeline rehabilitation with trenchless technology (by the wet layup or sliplining method) or new pipe installation. Sliplining with StifPipe® typically does not require any jacking equipment due to its light weight.

Typical Applications

  • Structural lining of pipelines (no-dig)
  • Structural point repair of pipelines (no-dig)
  • New pipe installation (open-cut or trenchless)
  • Applicable to all types of host pipe materials.

Features

  • Made of ultra-high strength FRP layers
  • Corrosion resistant (inert to sulfuric acid and other chemicals listed in ASTM D543)
  • High dimension ratio (50-100) due to high strength and thinner wall thickness
  • Hydraulic capacity is improved for most applications due to smooth surface, thus low Manning’s n value, and low thickness
  • Easy installation with lightweight materials (e.g., a typical 36-inch StifPipe® weighs 30-35 lbs./ft.
  • Can be made to any shape to fit the host pipe.

Case Study

Trenchless culvert solution for critical Gold Coast stormwater asset

Hychem delivered an advanced, trenchless rehabilitation solution for the City of Gold Coast, restoring a critical twin-cell culvert’s structural integrity with minimal disruption. Utilising the innovative StifPipe® system, the project was completed rapidly, ensuring long-term durability and safeguarding essential public infrastructure against future degradation.

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