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CIPP Technology Hub

Process explainers, method comparisons, and engineering reference articles — everything you need to specify, design, and execute a successful CIPP rehabilitation project.

Repair Processes

Six Trenchless Rehabilitation Methods

Step-by-step explanations of each rehabilitation method — from UV-CIPP to short pipe replacement.

UV-CIPP Process — Step by Step
紫外光固化修复

UV-CIPP

Ultraviolet light-cured in-place pipe rehabilitation explained

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Inversion CIPP Process
反转管道修复法

Inversion CIPP

Steam or hot water-cured CIPP via pneumatic inversion — DN100 to DN2200

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FIPP Thermoplastic Forming Process
热塑成型法修复

FIPP Thermoplastic Forming

Pre-formed PVC liner pull-in with heat-and-pressure expansion — DN150 to DN1000

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Spiral Wound Lining Process
螺旋缠绕修复

Spiral Wound Lining

Live-flow trenchless rehabilitation for large-diameter pipes and box culverts

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Composite Spraying Process
聚氨酯复合基喷涂

Composite Spraying

Cement mortar + polyurethane spray-lining for structural and corrosion repair

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Short Pipe Replacement Process
短管置换修复

Short Pipe Replacement

In-situ replacement of small-diameter drainage pipes using HDPE short pipes

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Method Comparisons

Choosing Between Methods

Side-by-side comparison articles helping engineers select the optimal rehabilitation method for project conditions.

CIPP vs Open-Cut Excavation
Comparison

CIPP vs Open-Cut Excavation

Trenchless rehabilitation versus traditional dig-and-replace

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UV-CIPP vs Steam-Cured CIPP
Comparison

UV-CIPP vs Steam-Cured CIPP

Comparing the two dominant CIPP curing technologies

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Felt CIPP Liner vs Fiberglass Liner
Comparison

Felt CIPP Liner vs Fiberglass Liner

Selecting between polyester felt and woven fiberglass reinforcement

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CIPP vs Sliplining vs Pipe Bursting
Comparison

CIPP vs Sliplining vs Pipe Bursting

Choosing among the three major trenchless rehabilitation methods

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Knowledge Hub

Engineering Reference

Practical engineering references for CIPP project specification, sizing, and acceptance testing.

CIPP DN Sizing & Selection Guide
Knowledge

CIPP DN Sizing & Selection Guide

Engineering reference for matching CIPP liner diameter to host pipe ID

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CIPP Resin Selection Guide
Knowledge

CIPP Resin Selection Guide

Polyester vs vinyl ester vs UV-curable resin chemistry

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CIPP Curing Time Reference
Knowledge

CIPP Curing Time Reference

Typical curing time ranges by method and pipe geometry

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ASTM F1216 Standard Reference
Knowledge

ASTM F1216 Standard Reference

Standards summary for CIPP rehabilitation worldwide

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CIPP FAQ — 20 Common Questions
Knowledge

CIPP FAQ — 20 Common Questions

Twenty common questions about CIPP — answered by our engineers

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Our engineering team produces method recommendations, sizing analyses, and BOMs tailored to your project conditions.

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