From cracks and root ingress to displaced joints and corrosion, UV drain lining is the trenchless fix that restores damaged pipes without digging.
Not all damaged drains need digging. In fact, many of the most common drainage issues—like cracks, root ingress, or displaced joints—can be permanently repaired using UV drain lining. Here’s how this trenchless method works and which problems it can solve.
How UV Drain Lining Works
UV drain lining involves inserting a resin-saturated liner into the existing pipe. Once positioned, UV light is used to cure the resin in place—creating a tough, jointless new pipe within the original one.
This approach is fast, clean, and suitable for a wide range of defects.
Cracked Pipes: Sealed from the Inside
Cracks often appear in older clay, cast iron, or cement pipes due to ground movement, corrosion, or pressure from above. UV lining seals these cracks completely—restoring watertight integrity without disturbing the surface.
✅ Key Benefit:
Once lined, the pipe resists further cracking for 30–50 years and improves flow performance.
Root Intrusion: Eliminated and Prevented
Tree roots often force their way through tiny pipe joints and fractures. We use high-pressure root cutting to remove them, then install a UV liner to seal the system against regrowth permanently.
Displaced Joints: Reshaped and Reinforced
In older pipework, movement of the ground can cause joints to misalign—restricting flow or causing leaks. UV lining bridges and seals these misalignments, creating a smooth internal wall with zero joint gaps.
Corrosion & Erosion: Internal Wall Protection
Pipes exposed to aggressive wastewater, cleaning chemicals, or erosion from sand/grit may degrade over time. UV liners create a smooth, chemical-resistant internal surface—extending the system’s life and improving hygiene.
CCTV Drain Surveys
Identify damage early with HD pipe inspection before it escalates into a costly collapse.
See How UV Lining Works
Understand the full process, benefits, and where it fits best into your repair strategy.
When UV Lining May Not Be Suitable
- 🚫 Pipes that are fully collapsed with no bore remaining
- 🚫 Severe deformation or pipe loss due to washout
- 🚫 Pipes with major diameter changes along the run
In these cases, partial excavation or localised patch repair may be required.
Book a CCTV Survey to See If UV Lining Fits
Every drain tells a story. Let our engineers assess yours and help you avoid costly excavation. We provide HD footage, expert diagnosis, and transparent advice.
📞 Call01268 512273 or contact AJS Environmental to book your inspection today.
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