Wastewater Infrastructure

Wastewater is one of the harshest environments for concrete and steel infrastructure. Protecting these assets keeps facilities operating reliably and postpones the need for expensive repairs or replacement.

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The First Line of Defense Against Corrosion, Chemicals, and Failure

Intellathane Systems for Wastewater Service Facilities

Intellathane 7100 is a two-component, 100% solids, plural component, spray-applied pure polyurea elastomer with instantaneous reactivity designed for use in harsh environments where high-temperature, chemical, and/or abrasion resistance is critical.
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Intellathane 550 is a two-component, 100% solids polyurea spray elastomer with fast reactivity and designed for use in harsh environments where high temperature, chemical, and/or abrasion resistance is needed.
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Intellathane 7347 is a 100% solids, high-performance plural component spray-in-place polyurea protective coating designed to self-level upon application.
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Intellathane SL-50 is a pure polyurea formulated with a slower reaction time for enhanced sprayability and self-leveling — ideal for large horizontal surfaces and detail work where workability and wire-trimming matter.
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What We Provide

Site assessment and condition evaluation
System selection matched to the exposure zone
Specification support and technical review
Connection with an authorized applicator in your area

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Wastewater Infrastructure Failure Points

Wastewater structures deteriorate from the inside out, and the damage is often advanced before it's visible from the surface.

Lift stations and wet wells
Manholes and junction structures
Clarifiers
Digesters
Headworks, channels, and grit chambers

Why Asset Surfaces Fail

Bacteria turns acidic as hydrogen sulfide becomes sulfuric acid
Corrosion
Abrasion
Moisture and infiltration

What Protection Entails

Wastewater environments demand protection against multiple forms of deterioration:

Acid attack in the vapor phase
Abrasion at flow surfaces
Cracking caused by structural movement
Challenging or deteriorated substrates

System Selection

Intellathane systems are 100% solids, spray-applied, and fast-curing, helping return critical wastewater infrastructure to service in hours rather than days.

Surface Preparation

Proper surface preparation is essential. Deteriorated concrete must be repaired and prepared to the required profile in accordance with applicable ICRI and AMPP standards to promote a durable, long-term bond.

Chemical Resistance

Intellathane systems are tested against common chemicals found in wastewater environments, including sulfuric acid, with ratings for continuous immersion, temporary immersion, and incidental contact.

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Independent Research

Peer-reviewed research supports the use of polyurea coatings in demanding water and wastewater environments. A 2026 study evaluating polyurea coatings for concrete protection in wastewater infrastructure found no visible cracking, blistering, spalling, or other mechanical surface damage after 28-day exposure to aggressive solutions, including sulfuric acid at concentrations of 1% and 10%.

Separate field research examining polyurea coatings in a water-conveyance tunnel after five years of service reinforces the importance of bond integrity, identifying interface damage and debonding among the primary failure modes affecting coating performance.

Sources: Scientific Reports (2026); Materials (2024). Research evaluates polyurea coatings as a material class and is not specific to Intellathane™ protective coatings.

What Delayed Action Costs

Delaying protection can turn a planned coating project into a more costly and disruptive structural repair. As deterioration progresses and moisture reaches reinforcing steel, corrosion can lead to cracking, delamination, and concrete loss—requiring more extensive rehabilitation and longer outages. Protecting structures while deterioration is still limited helps preserve plant capacity, extend asset life, and reduce future repair costs and downtime.

How Intellathane Can Help

Protect An Asset

Extend the life of critical assets with proven systems manufactured by Carlisle.

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Specify A System

Get performance data and specification assistance for engineers, backed by Carlisle's technical team.

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Apply Coatings

Join Carlisle's nationwide network of authorized applicators for product access, training, and technical support.

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