WHAT IS THE
LightRay® LRM System?
The LightRay® LRM system is a UV-cured CIPP spot repair solution designed for large-diameter mainline sewer pipes. It lets you make strong, reliable repairs without digging, heating, or complex equipment.
Engineered to navigate standard manholes with ease, the LightRay LRM UV mainline CIPP spot repair system provides a powerful and controlled repair process without the excess heat or risks associated with traditional thermal systems. The LRM utilizes a proprietary packer and is capable of performing mainline CIPP spot repairs repairs up to 9 feet in length.
mainline cipp uv spot repairs
The LRM was designed with one goal in mind—make mainline spot repair smarter, faster, and safer. LightRay’s cold UV-cure technology, contractors and municipalities gain peace of mind knowing they can control the entire casting process, reduce variability in the field, and complete repairs in as little as 15 minutes.
What pipe sizes does LRM work on?
- Compatible with 8-inch to 12-inch diameter pipes.
- Built to handle mainline sewer pipes in municipal and utility systems.
How long are the repair sections, and what reach does it have?
- Can perform spot repairs up to 9 feet in length.
- Comes with a 250-foot reel, enabling up to 500 feet of reach between manholes.
How fast can it cure, and what makes the process controlled?
- Cures in as little as 15 minutes using cold LED UV cure technology.
- The casting process is fully controlled—no heat required, minimal variables in the field.
- Simplified operation: no complex electronics or mechanical programming.
mainline spot repairs
Perfect Cast in minutes
LightRay LRM System: Your Go-To for Mainline UV Spot Repair
The LightRay LRM UV Mainline CIPP Spot Repair System is your ultimate solution for mainline CIPP UV spot repair, offering the benefits of traditional spot repair systems combined with advanced LightRay technology. Here’s what makes the LRM stand out:
Compatible with 8- to 12-inch pipe diameters
Engineered for standard mainline sewer pipe sizes, ideal for municipal and utility infrastructure rehabilitation.
250-Foot Reel enables up to 500 feet of total reach
Designed for long-run UV CIPP lining between manholes, reducing setup time and maximizing trenchless repair productivity.
easily fits through standard manholes
The lightweight and compact system design ensures fast deployment for confined space access.
cures in place in as little as 15-minutes
The cold-cure UV system delivers rapid, reliable liner hardening to minimize downtime and return systems to service quickly.
No complex electronics or mechanical programming
Simplified, durable components allow intuitive operation without the risk of failure from computer-regulated parts.
Benefits of LightRay Technology
LightRay technology alleviates the stress associated with lining by offering rapid deployment capabilities:
- No Hazardous Materials: No need to carry hazardous materials in your truck or trailer.
- Ready-to-Install Liners: LightRay liners arrive ready to install, eliminating the need for on-site measuring and mixing.
- No Refrigeration Required: This reduces the variability from mixing resin and preparing liners in the field, and removes the need for extra equipment.
All LightRay technology features flexible fiberglass liners coupled with a non-thermal UV casting resin that activates only when exposed to the specific light wavelength of the LightRay packer
What are the main features & benefits?
- Ready-to-install liners that arrive pre-prepared (no mixing in the field).
- No refrigeration required, which reduces equipment need and jobsite complexity.
- Uses flexible fiberglass liners activated only by the specific UV wavelength in the LightRay packer.
- System fits through standard manholes so setup is easier.
Why choose LRM over older spot repair methods?
- Faster job completion and less downtime.
- More consistent results since the process has fewer uncontrolled factors (temperature, mixing, etc.).
- Lower risk and fewer materials to manage onsite.
- Strong cost and time savings for contractors and municipalities alike.
What about quality, origin, and support?
- Designed, manufactured, and supported in the USA.
- Component quality is high; built for durability and reliability.



