- HEP Plumbing
- Tree-root Intrusions

Tree-root Intrusions
Tree-root Intrusions | Main Line Issues | Plumbing | Manchester
When tree roots worm their way into your underground pipes, every flush or gurgle can spell trouble for your property and peace of mind. At HEP, our Manchester-based specialists combine high-definition camera inspections with precision root-cutting equipment to locate and clear blockages fast, preventing minor clogs from escalating into costly main line issues. We know the local soil conditions and the aggressive species that thrive here, so we tailor each repair to outsmart nature while preserving your landscape.
From no-dig pipe lining that seals cracks in hours, to scheduled maintenance plans that keep roots at bay season after season, you’ll get transparent pricing and workmanship guaranteed to stand up to Manchester’s wet winters. Call us day or night and we’ll restore free-flowing drains—and your peace of mind—before roots take a stronger hold.
FAQs
How do I know if tree roots are blocking my main sewer line?
Typical warning signs include repeated toilet or bath backups, gurgling sounds when you drain water, foul odours near floor drains, unusually lush or damp patches in the garden above the pipe route, and in severe cases sinkholes or soil subsidence. Because these symptoms can mimic other plumbing faults, a professional inspection is needed to confirm root intrusion.
Why are tree-root intrusions so common in Manchester’s ageing drainage network?
Many pre-1970 properties in Greater Manchester still rely on vitrified clay or pitch-fibre pipes. The joints in these materials are prone to tiny leaks that release moisture into the surrounding soil and attract thirsty tree roots. Add the city’s mature street trees, high rainfall, and clay soils that shrink and swell, and you have ideal conditions for roots to force their way through cracks and joints into the main line.
What methods do you use to find and assess the extent of the root intrusion?
We begin with an electronic pipe trace to map the run of the sewer, followed by a high-definition CCTV drain survey. The camera shows live images of root masses, cracked joints, pipe diameter, and depth. We record the footage, mark precise locations with a sonde, and provide a written report so you know exactly where the problem lies and what condition the rest of the line is in.
What repair options are available once roots are confirmed in the main sewer?
1) Mechanical root cutting: a rotating blade restores flow by trimming roots. 2) High-pressure water jetting: flushes out debris and finer roots. 3) Chemical root treatment: foaming herbicide discourages regrowth without harming the tree. 4) Trenchless patch or full-length CIPP lining: creates a seamless inner pipe that seals joints and blocks future ingress. 5) Traditional excavation and replacement: chosen when the pipe is collapsed or severely misaligned.
Will the repair disrupt my garden, driveway, or nearby utilities?
In most cases, no. Modern no-dig technologies allow us to access the pipe through an existing inspection chamber or a small launch pit. The liner is inverted into the pipe and cured in place, leaving your landscaping, patio, or tarmac virtually untouched. If excavation is unavoidable, we use ground-penetrating radar to avoid other services, keep the trench narrow, and reinstate the surface to local council standards.
How can I prevent roots from coming back after the repair?
Schedule a CCTV re-inspection every 2–3 years, especially if you have large trees within 6 m of the sewer. Consider installing a root barrier when landscaping, choose slow-growing or shallow-rooted species such as Amelanchier or Acer instead of willow or poplar, and keep new trees at least one mature height away from the pipe run. Annual dosing with a foaming copper-based root inhibitor can also discourage regrowth without damaging vegetation.