Epoxy Pipe Lining Application Steps: A Practical Guide From Inspection To Curing

If you’re dealing with leaks, corrosion, low water pressure, or recurring clogs, epoxy pipe lining can often fix the problem without tearing your property apart. Instead of ripping out walls, floors, or landscaping to replace pipes, a specialized epoxy coating is installed inside the existing line to create a new, seamless barrier.

This guide walks you through the key epoxy pipe lining application steps, from the first inspection to final curing, so you understand what’s involved, what “good” work looks like, and when to call in a professional crew.

As a bit of context, NuFlow is a leading trenchless pipe repair and rehabilitation company serving residential, commercial, and municipal properties. We specialize in CIPP (cured‑in‑place pipe) lining, epoxy coating, and UV‑cured pipe rehabilitation that often costs 30–50% less than traditional dig‑and‑replace and is usually completed in 1–2 days with minimal disruption. If you’re already concerned about leaks or aging pipes, you can get help or request a free consultation through our dedicated plumbing problems page.

Now, let’s break down the process step by step, so you know exactly what should happen on a professional epoxy lining project.

Understanding Epoxy Pipe Lining And When To Use It

How Epoxy Pipe Lining Works Inside Existing Pipes

Epoxy pipe lining is a trenchless rehabilitation method that creates a new, corrosion‑resistant inner surface inside your existing pipes. Instead of replacing the pipe, you’re essentially building a new pipe within the old one.

At a high level, the process looks like this:

1. Inspect and assess – Technicians run CCTV cameras through the line to see its condition, layout, and problem areas.
2. Clean and prepare – Scale, corrosion, tuberculation, and debris are removed to expose a sound substrate.
3. Dry the system – Moisture is eliminated so the epoxy can adhere properly.
4. Apply epoxy – The epoxy is sprayed, blown, or otherwise distributed inside the pipe, forming a uniform coating.
5. Cure – The epoxy chemically hardens (at ambient or elevated temperature) into a hard, durable liner.

When done properly with the right material, this creates a smooth, continuous inner surface that resists corrosion, improves flow, and can extend the life of the system for decades. At NuFlow, our epoxy lining systems are warrantied and engineered for 50+ years of service life when installed under proper conditions.

Epoxy lining is used across many systems:

• Potable water lines in multifamily and commercial buildings
• Drain, waste, and vent (DWV) systems
• Sewer laterals and building drains
• Fire suppression and chilled water lines
• Certain industrial and process piping, depending on chemistry and temperature

The key is matching the epoxy formulation and method to the specific pipe material, diameter, and service conditions.

Situations Where Epoxy Lining Is (And Is Not) A Good Option

Epoxy pipe lining is powerful, but it’s not a magic cure‑all. You get the best outcomes when you use it in the right scenarios.

Good candidates for epoxy lining include:

• Corroded metal pipes (galvanized steel, copper, cast iron) that still have structural integrity
• Frequent pinhole leaks in domestic water lines
• Chronic clogging from corrosion buildup or scaling in drain or sewer lines
• Aging infrastructure under slabs, streets, or landscaped areas where excavation would be costly or disruptive
• Facilities that can’t afford long downtime, like hotels, hospitals, condos, schools, and municipal buildings

In these cases, epoxy lining can:

• Avoid demolition of walls, ceilings, slabs, and landscaping
• Restore flow capacity by removing tuberculation and smoothing the interior
• Stop corrosion and leaks without full pipe replacement
• Cut project time and cost versus dig‑and‑replace

Situations where epoxy lining may not be appropriate include:

• Collapsed, severely deformed, or missing sections of pipe
• Pipes with major structural failure that can’t support a liner
• Significant bellies/sags that trap water and debris
• Incompatible chemicals or high temperatures beyond the epoxy’s rating
• Improper access where you simply can’t reach the line to clean or coat it properly

Even in marginal cases, trenchless rehabilitation may still be possible using structural liners like CIPP or spot repairs. This is where a professional assessment matters. You can review real‑world examples of how we’ve handled challenging conditions in our case studies.

If you’re unsure whether epoxy lining fits your situation, a quick conversation and camera inspection usually provide clarity.

Pre-Project Assessment And Planning

Inspecting The Pipe System And Mapping The Layout

Every successful epoxy pipe lining project starts with a thorough assessment. Guesswork at this stage almost always leads to problems later.

You (or your contractor) should begin with:

• CCTV camera inspection – A high‑resolution camera is pushed or driven through the pipes to:
• Identify corrosion, scale, roots, cracks, and offsets
• Locate transitions in diameter and material
• Confirm accessibility of bends, tees, and vertical stacks
• System mapping – As the camera runs, technicians map out:
• Pipe lengths, diameters, and orientations
• Locations of cleanouts, access points, and tie‑ins
• Critical branches serving key fixtures or zones

The result should be a clear visual record and a plan of the system. This doesn’t have to be architectural‑grade drawings, but it needs to be detailed enough to drive accurate material estimates, equipment setup, and sequencing.

Evaluating Pipe Material, Age, And Existing Damage

Next, the team evaluates what they saw on camera along with any available building or utility records. You want answers to questions like:

• Pipe material – Cast iron, galvanized steel, copper, PVC, clay, concrete? Different materials need different surface prep and epoxies.
• Age and history – How old is the system? Has it seen prior repairs, re‑routes, or lining attempts?
• Damage type – Are issues mainly corrosion, pinhole leaks, root intrusion, or structural cracks?
• Access points – Are there sufficient cleanouts, valve locations, or manholes to feed and retrieve equipment?

Pipes with moderate corrosion but intact structure are ideal candidates. If the camera shows severe deformation, collapsed sections, or massive offsets, your contractor might suggest structural lining or partial replacement for those segments.

This is where collaborating with seasoned trenchless experts pays off. NuFlow has decades of experience rehabilitating sewer lines, drain pipes, and water systems worldwide. If you’re evaluating a complex building or campus, it’s worth reaching out through our plumbing problems page for a more detailed review.

Job Planning, Safety Considerations, And Work Area Setup

Once the system is understood, your contractor should present a clear job plan, including:

• Scope – Which lines will be lined, from where to where
• Method – Spray lining, blown‑in epoxy, or structural CIPP where needed
• Schedule – Estimated start and completion dates, daily work windows
• Access – Which units, rooms, or exterior areas need access
• Downtime – How long specific services (water, drains) will be offline

On the safety side, a professional crew will address:

• Confined space protocols where applicable (manholes, vaults, crawlspaces)
• Ventilation during cleaning and curing
• PPE for handling epoxy and cleaning equipment
• Isolation of work areas to protect occupants from noise, dust, and fumes

Work area setup typically includes:

• Staging equipment, compressors, and hoses in a safe, accessible location
• Protecting floors, walls, and furnishings with covers and drop cloths
• Setting up temporary piping or bypass systems if needed to maintain service

If your contractor glosses over planning and safety, that’s a red flag. A well‑organized trenchless job should feel surprisingly controlled and orderly, given how much is happening behind the scenes.

Cleaning And Preparing The Pipes

Isolating The System And Draining The Lines

Before any epoxy can be applied, the pipe interior has to be clean and dry, really clean and truly dry. That starts with isolating the system.

Depending on what’s being lined, this may involve:

• Shutting off water to specific risers or zones
• Locking out pumps, chillers, or fire systems (with proper temporary measures and approvals)
• Routing occupants to alternative restrooms or fixtures
• Closing valves and caps to prevent cross‑flow

The lines are then drained and depressurized. For water systems, contractors may open several low points to fully evacuate water. For sewer and drain lines, they’ll rely on gravity plus vacuum or pumping as needed.

Any residual liquids must be removed before cleaning. Standing water left in low spots can interfere with mechanical cleaning tools and, later, with epoxy adhesion.

Mechanical Cleaning: Descaling, Sandblasting, And Pigging

Mechanical cleaning is one of the most critical epoxy pipe lining application steps. If the surface prep is poor, the best epoxy in the world won’t save the job.

Common cleaning methods include:

• Rotary descaling – Chains or brushes attached to rotating cables or robotic heads knock off scale, rust, and deposits.
• Sand or grit blasting – Abrasive media is propelled through the pipe to create a clean, roughened surface for strong mechanical bond.
• Pigging – Foam or rubber “pigs” (plugs) are pushed through the line to wipe, scrub, and carry debris out.
• High‑pressure water jetting – Used carefully, this can remove stubborn buildup, but for epoxy work it’s usually followed by abrasive cleaning and thorough drying.

Technicians continuously monitor what comes out of the pipe, scale, rust flakes, sludge, to judge progress. They may run the camera again mid‑cleaning to verify that tuberculation and debris are fully removed and that bare, sound substrate is exposed.

The goal is:

• No loose rust or scaling
• No soft or flaking material on the walls
• A uniform, properly roughened surface for the epoxy to grab onto

Drying The Pipes And Verifying Surface Readiness

Once mechanically cleaned, the system must be dried. Moisture is one of the main reasons epoxy linings fail prematurely.

Drying methods can include:

• Heated, filtered air blown through the lines
• Vacuum systems to pull out humid air and residual moisture
• Dehumidifiers in the work area to keep ambient humidity under control

Technicians may use:

• Hygrometers to measure relative humidity
• Infrared or contact thermometers to check pipe temperatures
• Visual checks with cameras to confirm no standing water or condensation

Some epoxies tolerate slight dampness: others require a fully dry surface. Either way, your crew should be working to the manufacturer’s specifications and documenting that conditions are within range.

If you’re watching the process, this can be a long, somewhat boring stage, but it’s absolutely essential. Rushing from cleaning straight into lining is one of the most common (and most expensive) mistakes you want to avoid.

Epoxy Selection, Mixing, And Equipment Setup

Choosing The Right Epoxy Formulation For The Application

Not all epoxies are created equal. The product your contractor chooses must be compatible with the pipe material, operating temperature, pressure, and fluid type.

Key considerations include:

• Intended service – Potable water, sewage, stormwater, fire suppression, chilled water, industrial fluids, etc.
• Temperature and pressure – Maximum operating conditions and any surges.
• Chemical exposure – Chlorine, cleaning agents, or industrial chemicals.
• Regulatory requirements – For drinking water, materials must meet applicable health and safety standards.

Reputable contractors use tested, field‑proven epoxy systems designed specifically for pipe rehabilitation, not generic coatings or off‑label products. At NuFlow, for instance, our epoxy and CIPP systems are engineered for trenchless rehabilitation and backed by warranties and a decades‑long track record in real‑world installations.

If your building or utility has unique conditions, this is the time to raise them. Chemical feeds, unusual hot water temperatures, or process effluents should all be factored into product selection.

Measuring, Mixing, And Pot Life Management

Epoxy is usually supplied in two components (resin and hardener) that must be combined in a precise ratio. Small deviations can affect cure time, hardness, and long‑term performance.

Best practices include:

• Accurate measurement – Using calibrated scales or metering pumps rather than “eyeballing” volumes.
• Consistent mixing – Mechanical mixers to fully blend components without introducing excessive air.
• Tracking batch numbers and times – Each batch is labeled with its mix time and expected pot life (the usable working window before it starts to gel).

Pot life is critical. If the epoxy sits too long before application:

• Viscosity increases, making it harder to move through hoses or spray evenly.
• Coating thickness can become inconsistent.
• You may see runs, sags, or incomplete coverage.

Professional crews tightly coordinate mixing and application so that each batch is applied well within its pot life. On larger projects, continuous‑mix systems may be used to maintain steady flow and consistent material.

Setting Up Lining Equipment, Hoses, And Access Points

With the epoxy selected and mixing protocol established, the crew sets up application equipment. Depending on the method, this may include:

• Specialized spray heads for internal pipe coating
• Blown‑in or air‑assisted delivery systems for potable water lines
• Inversion drums or calibration hoses for structural liners
• Heating or UV systems for accelerated curing where applicable

Hoses are routed from the mix station to the pipe access points. Technicians will:

• Protect edges and finishes where hoses pass through doors, windows, or shafts
• Secure hoses to avoid trip hazards or accidental disconnections
• Confirm that all access points (valves, cleanouts, manholes) are ready and correctly labeled

Communication is key here. Operators at the mix station, hose handlers, and camera technicians should all stay in sync. This coordination is one of the hallmarks of an experienced trenchless contractor and a major reason why projects can often be completed in 1–2 days with minimal disruption to occupants.

Applying The Epoxy Liner Inside The Pipes

Common Epoxy Application Methods (Inversion, Spraying, And Pull-In-Place)

The actual epoxy application varies depending on system type and objectives. The most common methods are:
           1. Spray lining

• A rotating spray head is pulled through the pipe while applying epoxy in a controlled pattern.
• Frequently used in domestic water, fire lines, and some drain systems.
• Allows multiple passes to build up thickness.
  2. Blown‑in or air‑assisted coating

• Epoxy is atomized or carried by air and deposited evenly along the pipe walls.
• Useful for smaller‑diameter water lines and complex layouts.
  3. Pull‑in‑place (PIP) structural liners

• A resin‑impregnated liner is pulled into position, then inflated against the host pipe until cured.
• Provides added structural strength for deteriorated lines.
  4. Inversion lining (a form of CIPP)

• The liner is “inverted” into the pipe using water or air pressure, turning inside‑out as it travels.
• Common for sewer mains and laterals, including municipal applications.

Each method has its own gear, procedures, and ideal use cases. A good contractor will select the approach (or combination) that best fits your pipe conditions and performance goals.

Controlling Liner Thickness, Coverage, And Flow

Regardless of method, the goal is uniform coverage with the specified thickness. Too thin, and you risk pinholes or early wear. Too thick, and you can reduce internal diameter or create flow disruptions.

Technicians control thickness and coverage by adjusting:

• Application speed – How fast the spray head or liner moves through the pipe.
• Material flow rate – How much epoxy is delivered per unit of time.
• Number of passes – Multiple passes may be used to build up thickness.
• Pressure settings – For spray and blown‑in systems, pressure affects atomization and deposition.

They’ll also:

• Run a camera behind the applicator to visually confirm coverage.
• Check for runs, sags, or holidays (missed spots) and address them promptly.
• Record calculated thicknesses based on material usage versus pipe surface area.

Your project documentation should clearly state the target dry film thickness and confirm that actual coverage met or exceeded that spec.

Monitoring Pressures, Temperatures, And Application Time

During application, conditions inside the line must stay within the epoxy manufacturer’s recommended range.

Critical variables include:

• Ambient and pipe temperature – Affects viscosity, flow, and cure rate.
• Material temperature – Epoxy may be warmed or conditioned for optimal application.
• Air or water pressure – For inversion, blown‑in, and some spray systems.
• Application duration – Time from mixing to final deposition.

Crews monitor these with gauges, sensors, and periodic checks. Deviations can lead to:

• Incomplete curing
• Uneven thickness
• Poor adhesion

Experienced trenchless contractors know when to slow down, pause, or adjust based on what they see and measure in real time. This real‑time decision‑making is a big part of why results vary so much between “bucket‑and‑brush” operators and established lining specialists.

If you’re a contractor yourself and you’re interested in adding professional‑grade lining to your services, it’s worth exploring NuFlow’s become a contractor program and global contractor network, which provide training, materials, and technical support.

Curing The Epoxy And Post-Cure Procedures

Curing Methods And Timeframes

Once applied, the epoxy must cure, chemically reacting from a liquid or gel into a solid, durable liner. Curing can be:

• Ambient – The liner cures at room or ground temperature over several hours.
• Heat‑assisted – Warm air or water is circulated through the pipe to accelerate cure.
• UV‑cured – In the case of some CIPP liners, ultraviolet light is used for rapid, controlled curing.

Timeframes vary based on:

• Epoxy formulation
• Thickness of the coating or liner
• Temperature and humidity

Most projects are planned so that cure is achieved within the same day, allowing inspection and partial recommissioning soon afterward. Your contractor should give you a clear no‑use window, outlining exactly when you can and cannot run water, discharge drains, or operate equipment.

Maintaining Environmental Conditions During Cure

Curing is sensitive to environmental conditions. Temperature too low? Cure slows or may stop. Too high? The epoxy can exotherm excessively or cure too fast, potentially affecting properties.

Best practices include:

• Continuous temperature monitoring inside the pipe and, where relevant, on the pipe exterior.
• Maintaining airflow if using heated air to avoid hot spots.
• Protecting the area from cold drafts, rain intrusion, or sudden temperature swings.

Humidity also plays a role. For some systems, condensation on the pipe interior during early cure can be a serious problem, especially in chilled water and underground applications. That’s why proper dehumidification and drying before application are so important.

For municipal and utility clients, where large‑diameter lines and critical services are involved, maintaining controlled curing conditions is non‑negotiable. If you manage public infrastructure, you can learn more about how NuFlow approaches these projects on our municipalities & utilities page.

Cool-Down, Ventilation, And Safe Handling After Cure

After the specified cure time, the system needs to cool and off‑gas, especially if heat or UV was used.

Post‑cure steps typically include:

• Gradual cool‑down – Allowing the pipe and liner to return to ambient temperature.
• Ventilation – Flushing the line with fresh air to remove any residual odors.
• Final cleaning at access points to remove drips, overspray, or tooling marks.

Technicians will also:

• Inspect for sharp edges or protrusions at ends of lined sections.
• Trim or smooth transitions where lined pipe meets unlined pipe or fittings.
• Confirm that all tools, plugs, and temporary seals have been removed.

Only after these checks is the line ready for final inspection and testing. Skipping or rushing this phase risks returning a line to service before it’s truly ready, which can compromise both performance and safety.

Inspection, Testing, And System Recommissioning

CCTV Inspection And Measuring Liner Quality

With the liner cured, it’s time to verify that the installation meets expectations.

A post‑cure CCTV inspection should show:

• Smooth, continuous coverage with no visible pinholes or holidays
• Properly sealed joints and transitions
• No wrinkles or folds that could trap debris or restrict flow
• Clean tie‑ins at connections and branches

Contractors may also measure or verify:

• Liner thickness using calculations based on material usage and pipe surface area
• Diameter and flow area to ensure no excessive restriction

You should receive a copy of the video and a written report. If an issue is spotted at this stage, it’s often possible to perform localized corrections before the system is fully back online.

Pressure Testing, Leak Checks, And Flow Verification

Once visual inspection is complete, the system is tested under operating or near‑operating conditions.

For pressurized water or fire lines, this may include:

• Hydrostatic or pneumatic pressure testing to a specified pressure and duration
• Monitoring for pressure drops that indicate leaks

For gravity drains and sewers, common checks include:

• Air tests or low‑pressure water tests on segments
• Flow tests to verify that water and solids move freely without backing up

These tests confirm:

• The liner is watertight.
• Joints, transitions, and reinstatements are sound.
• The system performs as well as, or better than, it did before rehabilitation.

Restoring Connections, Fixtures, And Normal Operation

The final step is bringing everything back online.

This usually involves:

• Reopening valves and restoring water to affected zones
• Reconnecting fixtures (toilets, sinks, equipment) if they were temporarily disconnected
• Informing occupants or tenants that normal use can resume

For larger buildings and campuses, the contractor may stage recommissioning:

• Bringing critical systems (e.g., fire protection, domestic water) online first
• Monitoring initial use for any anomalies like discoloration, air pockets, or unexpected noises

A good contractor will walk you through the as‑built documentation, including:

• What was lined and where
• Test results
• Warranty information
• Recommended maintenance and inspection intervals

If you want to see examples of how this looks in real‑world facilities, condos, hotels, universities, and city systems, take a look at NuFlow’s case studies showcasing successful epoxy lining and CIPP projects.

Common Mistakes To Avoid And Best Practices

Typical Application Errors And How To Prevent Them

Even with a solid product, epoxy lining can go wrong if the process isn’t followed carefully. Some of the most common mistakes include:
           1. Inadequate cleaning and surface prep

• Problem: Residual scale, rust, or biofilm prevents proper adhesion.
• Prevention: Use appropriate descaling and abrasive methods, verify with CCTV, and don’t rush this step.
  2. Insufficient drying

• Problem: Moisture interferes with epoxy bonding and curing, leading to blisters or delamination.
• Prevention: Use heated air and dehumidification, measure humidity and temperature, and follow manufacturer’s requirements.
  3. Incorrect mixing ratios or poor mixing

• Problem: Soft or under‑cured liners, inconsistent properties along the pipe.
• Prevention: Calibrated metering, mechanical mixing, batch tracking, and trained technicians.
  4. Exceeding pot life

• Problem: Viscosity changes mid‑application, causing thin spots, blockages, or equipment issues.
• Prevention: Tight coordination between mixing and application, smaller batches if needed, clear time logs.
  5. Poor thickness control

• Problem: Thin areas that wear prematurely or thick globs that affect flow.
• Prevention: Controlled movement of applicators, known flow rates, and real‑time CCTV verification.
  6. Inadequate inspection and testing

• Problem: Hidden defects that only show up months or years later.
• Prevention: Documented CCTV, pressure/flow tests, and punch‑list corrections before sign‑off.

Working with a contractor that specializes in trenchless technology, and has a long, proven track record, dramatically reduces these risks. NuFlow’s processes have been refined across thousands of residential, commercial, and municipal projects, which is why our epoxy pipe lining systems are designed for 50+ years of performance under normal conditions.

If you’re facing recurring plumbing problems and want to avoid these pitfalls on your own property, you can connect with our team for a free consultation through our plumbing problems page.

Maintenance Tips To Maximize Liner Service Life

One of the advantages of epoxy pipe lining is that once it’s installed correctly, maintenance is generally straightforward. Still, there are a few habits that help you get maximum value from your investment:

• Avoid harsh, unnecessary chemicals – Overuse of aggressive drain cleaners or chemicals not compatible with the liner can shorten its life.
• Install and maintain strainers or screens where appropriate – Keeps large debris from entering and damaging the system.
• Control water chemistry – For potable systems, maintaining proper pH and disinfectant levels helps protect both the liner and fixtures.
• Schedule periodic inspections – Occasional camera inspections, especially on critical lines, catch issues early (such as root ingress at unlined sections or structural movement around the host pipe).
• Educate occupants and maintenance staff – Make sure they understand there’s a lined system in place and what not to do (for example, cutting into walls and accidentally drilling through a lined riser).

When you combine good installation practice with sensible maintenance, a modern epoxy or CIPP lining solution can delay the need for full pipe replacement by decades, often at 30–50% less cost and with a fraction of the disruption you’d expect from traditional dig‑and‑replace projects.

Conclusion

Epoxy pipe lining, done right, is a highly effective way to rehabilitate aging or failing pipes without ripping open your property. From initial CCTV inspection and system mapping, through rigorous cleaning and drying, careful epoxy selection and mixing, controlled application, and monitored curing, every step matters.

Understanding these epoxy pipe lining application steps helps you:

• Ask better questions of your contractor
• Spot red flags before they become costly problems
• Decide when trenchless rehabilitation is the right move versus full replacement

NuFlow has been at the forefront of trenchless technology for decades, specializing in epoxy pipe lining, CIPP, and UV‑cured solutions for residential, commercial, and municipal systems. Our methods are designed to minimize disruption, control costs, and deliver long‑lasting results, often with projects wrapped up in just a day or two.

If you’re dealing with leaks, recurring clogs, low pressure, or just the reality of aging infrastructure, you don’t have to guess about your options. Share your situation with our team and request a free, no‑obligation consultation through our plumbing problems page. And if you’d like to see how similar issues have been solved for others, you can browse our real‑world case studies to get ideas for your own pipes.

Armed with the right information, and the right trenchless partner, you can extend the life of your piping system for decades without the mess, noise, and expense of traditional replacement.

Epoxy Pipe Lining FAQs

What are the main epoxy pipe lining application steps?

The core epoxy pipe lining application steps include CCTV inspection and system mapping, mechanical cleaning and descaling, thorough drying, selecting and mixing the right epoxy, setting up spray or liner equipment, applying the coating at controlled thickness, curing under specified conditions, and finally CCTV inspection, pressure or flow testing, and recommissioning.

When is epoxy pipe lining a good alternative to pipe replacement?

Epoxy pipe lining is ideal for corroded but structurally sound metal pipes, chronic pinhole leaks, recurring clogs from scale, and lines under slabs or landscaping where excavation would be disruptive. It’s popular in hotels, hospitals, condos, schools, and municipal buildings that can’t afford lengthy downtime or major demolition.

How long does an epoxy pipe lining project usually take from start to finish?

Most epoxy pipe lining projects are planned so inspection, cleaning, application, and curing are completed in one to two days per zone or segment, depending on system size and complexity. Cure times are typically measured in hours, with contractors giving a clear no-use window before water or drains can be put back in service.

How long does epoxy pipe lining last, and what affects its service life?

Well-installed epoxy pipe lining systems are commonly engineered and warrantied for 50+ years. Longevity depends on proper surface preparation, correct mixing and thickness, adherence to curing parameters, compatible water chemistry or effluents, and sensible maintenance—such as avoiding harsh chemicals, controlling pH, and scheduling periodic camera inspections on critical lines.

Is epoxy pipe lining safe for potable drinking water systems?

Yes, when the correct, certified products are used and installed properly. Epoxy pipe lining for potable water must meet applicable health and safety standards, including limits on leaching. Reputable contractors select epoxies tested for drinking water use, flush and cure lines as specified, and provide documentation on approvals and performance data.