An Innovative Alternative to Pipe Excavation and Replacement.

Slip liners are a lower-cost, lower-impact option for rehabilitating failing pipes. Choose Spirolite® for its pipe relining expertise and product range, including large-diameter pipe.

Relining

Don’t replace it. Reline it.

Rather than repairing or replacing damaged or failing pipes, relining pipes with Spirolite offers a permanent solution that will extend the life of the pipeline by 100-plus years. And you don’t have to excavate the failing pipeline or bypass the existing flow, allowing you to save precious time and money.

HDPE

HDPE: the superior pipe material.

ISCO produces Spirolite using a unique manufacturing process and the highest-quality pressure-grade HDPE resin (PE 4710), delivering an unbeatable combination of pipe strength, flexibility, corrosion resistance and cost-effectiveness. Our engineered wall profiles maximize the pipe’s strength-to-weight ratio with several degrees of ring stiffness per ASTM F894.

grouting

Grouting seals the deal.

Spirolite’s high rigidity makes it perfect for virtually every grouted application. Once properly grouted, Spirolite provides a permanent and leak-free solution that will far outlast the original pipe design.

Spirolite

Spirolite joints excel in a world under pressure.

Our tried-and-true Spirolite gasketed bell and spigot joints support both leak-free performance and superior flow characteristics, even with a substantially smaller pipe ID. Plus, unlike other pipe liner solutions, Spirolite’s hydraulic performance doesn’t change or deteriorate as the pipe ages.

Product highlights

  • Superior hydraulics can improve flow capacity
  • Long-term durability — design life exceeding 100 years
  • Lightweight materials for easy, cost-effective installation
  • Reliable leak-free bell-and-spigot joint design
  • Strong chemical, corrosion and abrasion resistance
  • Wall strength designed to ASTM F894 standard
  • Grouted to fill the annular space between liner and host pipe and voids around the existing host
  • Available in standard sizes up to 120" diameter
  • Available in custom lengths

Applications

Storm and Sanitary Sewers

Storm and Sanitary Sewers

Underground conveyance pipelines

Underground Conveyance Pipelines

Large diameter culverts

Large-Diameter Culverts

Flow Comparison, Spirolite vs. Corrugated Metal Pipe (CMP)

Type Spirolite Metal (New) Metal (Old)
Manning’s n 0.009 0.012 0.024
Slope (1/1700) 0.01% 0.01% 0.01%
Inner Diameter (in) 120 120 120
Flow Rate (gpm) 107,046.76 80,285.07 40,142.53
Comparison — 75% 38%
Pipe ID for Equal Flow 120 133.67 173.35

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