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UV Pipe Lining: What is it and how does it work?

UV pipe lining

UV (ultra-violet) pipe lining is a newer technology that is taking the drain and pipe lining industry by storm because of its speed and affordable cost.

But what exactly is UV pipe lining? What are its benefits and why or when is it considered better than conventional trenchless pipe lining? It’s not nearly as complex as it sounds, so let’s explore what makes UV pipe lining a great option for fixing faulty drains and pipes.

What is UV pipe lining?

Much like traditional trenchless pipe lining, UV Cured-in-Place-Pipe (CIPP) linings create long-lasting and durable pipes using steam or water to cure with felt, resin-impregnated liners. The difference is that this modern technique utilizes fiberglass-reinforced, UV light-cured trenchless pipe liners that are pulled in place to create an extremely durable pipe-within a pipe.

According to NuFlow Technologies, an industry leader in pipe lining technology, “the UV cold light LEDs and Precision PIP (push or pull-in-place) technology minimizes the risk of error by activating liners in place, significantly reducing time for curing, and allowing the contractor to wet-out on or off-site. NuFlow’s NuCure Cold Cure UV brings industry leading performance at a game changing price.”

UV pipe lining SPT Ohio

When was UV pipe lining invented?

Reline America first launched a UV-cured lining system at the Underground Technology Conference in 2006, and the technology raised the curiosity of industry leaders who began to investigate and find out more about this new way of curing a CIPP liner.


Curing speed

One of the biggest differences between traditional trenchless pipe lining and UV pipe lining is how fast

With traditional methods, the pipe will cure in 8 to 10 hours. But with UV pipe lining, the same curing can be completed in as little as 10 minutes. 

“This allows operators to focus on the quality of the rehabilitation without the stress of racing against the clock,” states NuFlow. “Faster curing time results in less resin slumping for a more consistent wall thickness and less resin bleed-off, wash out, emulsification, or other adverse impacts from site conditions prior to curing.”

Stronger and more durable

By combining advanced fiberglass materials with modern UV curing, the UV lining process creates a durable, longer-lasting pipe than legacy curing methods. Moreover, UV pipe liners are made to last an expected 50 years and withstand harsh conditions.

Better flow

Traditional trenchless pipe lining technology reduces the original pipe’s inside diameter by its very nature. However, UV cured pipe liners are thin once cured and often increase the flow in your drains and pipes. This is because the surface is similar to that of a PVC pipe and significantly smoother than the original pipe.

Added quality

UV curing is flexible and works with lateral and vertical pipes. Because of this, it’s easy to go from job to job with equipment designed to be more efficient and easier. The latest UV curing technologies can accommodate pipes up to 6 inches in diameter and 100 feet in length.

Additional flexibility

Because UV lining cures so quickly and is flexible and convenient, it has fewer imperfections. According to NuFlow, “UV cured liners have a reliably dense cure that eliminates uncertainties such as flexural modulus, abrasion resistance, corrosion resistance, leak tightness, etc. This ensures a consistent life-cycle performance and consistently satisfied end-users.”

What do we use here at SPT Ohio?

We are proud to use NuFlow’s NuCure Cold Cure UV technology. As leaders in making pipe lining technology and equipment, NuFlow’s NuCure Cold Cure UV combines low-voltage UV lighting with our proprietary cold cure UV resins to create an evolutionary leap in CIPP light curing technology.  The proprietary cold cure resins densely cure in as little as 10 minutes! A faster cure means a faster repair for your pipes.

Do you have questions about UV lining or if you think it’s right for you, give SPT Ohio a call today at 419-834-8366 or visit sptohio.com to get your free consultation.