Your pool area may look incredible, but you could be facing persistent drain backups nearby. In the Sutherland Shire and southern Sydney, our investigations with camera technology in blocked sewer or stormwater lines near pools frequently reveal invasive tree roots that have penetrated the joints of older pipe systems.
Resolving a blocked pool drain doesn’t always require lifting pavers or digging up your garden. This article explores the causes of blockages, the techniques we employ to identify them, and how pipe relining offers an efficient solution by addressing the problem from within the pipe itself.
What Types of Drainage Systems Are Present Beneath Your Backyard Pool?
In many Sydney backyard pools, the surrounding area is usually covered with paving, tiles, decking, retaining walls, and garden beds. Underneath this hardscape, you will generally find several drainage lines:
- The household sewer line
- Stormwater drainage systems from the roof, paving, and pool surroundings
- The pool backwash line
- Overflow drains and subsoil drains
It’s essential to recognise that the pool’s filtration pipework, which connects the pump, filter, skimmer box, and return jets, operates under pressure and is separate from the drainage systems. This discussion focuses on the drainage lines, which are particularly vulnerable to tree root intrusion.
How Do Tree Roots Cause Blockages in Pool Drains?
Tree roots are naturally attracted to moisture sources, and even a slight leak at a pipe joint can entice them. Roots from trees several metres away can reach out towards a damaged joint in older terracotta, earthenware, or PVC pipes. Once a small root enters the pipe, it flourishes in the moist environment, trapping waste and debris, ultimately leading to a blockage.
When a drain near the pool gets blocked, the backwash water cannot escape, potentially causing flooding on the pool deck. If the blockage happens within the sewer line, it can cause showers, toilets, and floor drains inside the house to back up.
If you are landscaping around a new pool, consider consulting our guide on tree species that are less likely to cause blocked drains. This guide offers insights on trees that are safer to plant near pipework.
What Signs Indicate a Blocked Pool Drain or Stormwater Line?
Stay vigilant for the following indicators around your pool and within your home:
- Pool water drains slowly or backs up during backwashing
- The backwash line overflows
- Water bubbles up through a garden drain or grate
- A sink or shower makes gurgling sounds when the pool is being backwashed
- Water collects on the pavers or lawn next to the pool
Each of these symptoms suggests a potentially blocked or damaged pipe underground, and a camera inspection can help us accurately pinpoint the issue.
Why Is It Best to Avoid Excavation Around a Pool?
Gaining access to the drainage around a pool can be a challenging endeavour that often results in damage. Reaching a pipe typically requires lifting travertine or granite pavers, cutting through concrete slabs or retaining walls, or removing garden beds, turf, or decking. After repairing the pipe, restoring the paving and landscaping can be extensive and expensive.
This is why we prefer relining methods over excavation. In the case highlighted below, relining allowed us to navigate around steep stairs and an established garden without disruption.
Case Study: Successful Pipe Relining Solutions Near a Pool in Sutherland Shire
A homeowner in the Sutherland Shire contacted us regarding three significant concerns in their backyard:
- A blocked stormwater line next to their in-ground pool
- Gurgling sounds coming from the back garden
- Water pooling in a tiled corner
Our CCTV drain inspection revealed substantial root intrusion from a nearby tree, cracks in an old earthenware line, and multiple blocked junctions located approximately 3 metres beneath the pavers.
The accompanying images illustrate the situation: the first shows the blocked pipe before intervention, while the second depicts the same pipe after the relining process.
Rather than suggesting excavation, we took the following steps:
- We cleared the line using high-pressure hydro jetting and root-cutting equipment.
- We installed a resin liner throughout the damaged section to seal the cracked junctions and joints.
The stormwater line was restored to optimal flow, with no disruption to the pavers or garden beds. The entire process was completed in under six hours.
What Is the Process for Pipe Relining Without Excavation?
We employ a method known as cured-in-place pipe relining. A resin-soaked liner is introduced into the damaged section of the pipe, pressed against the interior surface, and left to cure, effectively creating a new pipe within the old one. This process seals any cracks, leaking joints, and entry points exploited by tree roots. We access the pipe through an existing entry point, such as an inspection opening, ensuring that the surrounding pavers and garden remain undisturbed.
Our dedicated team oversees every stage of the relining process, from the initial camera inspection to the final stages, without involving subcontractors. For further details on the procedure, please visit our pipe relining Sydney page.
When Is Pipe Relining Not Suitable for Pool Drain Repairs?
Pipe relining is appropriate for pipes that are damaged yet retain most of their shape. If a section has collapsed to such an extent that a liner cannot be inserted, that part will require excavation and replacement. if a section has sunk and lost its gradient, the liner will follow the dip, leading to stagnant water, which necessitates reinstallation of the pipe at the correct slope.
Occasionally, our camera inspections reveal that roots have entered the Sydney Water main rather than your private pipes. In such cases, the responsibility for repairs lies with Sydney Water, and we provide the footage needed to facilitate the reporting process.
Frequently Asked Questions About Blocked Pool Drains
Can the Drain Pipes Surrounding a Pool Be Relined?
Absolutely. We can reline the sewer and stormwater pipes situated beneath pool surrounds, provided the pipe maintains its shape. A camera inspection is performed first to assess the damage and determine whether a liner can be installed. If any sections have collapsed or sunk, those areas will need excavation and replacement.
What Techniques Are Used to Clear a Blocked Pool Drain Without Excavation?
We clear the blockage using high-pressure hydro jetting and root-cutting equipment. Following this, we inspect the pipe with a CCTV camera. If the camera identifies cracked joints or entry points for roots, we can install a resin liner from within the pipe through an existing access point. This repair effectively seals the damage without the need to lift pavers, cut slabs, or disturb the garden.
What Common Issues Lead to Blocked Drains Around Pools in Sydney?
Tree roots are a primary factor we encounter around pools, especially in older terracotta and earthenware pipes. Roots infiltrate joints that leak water and continue to grow until they trap debris. A camera inspection can help identify the specific cause of the blockage in your drain.
Who Is Accountable for Removing Tree Roots from a Sewer Pipe in Sydney?
The property owner is responsible for their own pipes. According to Sydney Water’s guidelines regarding repair responsibilities, the owner must also remove tree roots that invade the junction at the connection point. If our camera shows that the roots are within the Sydney Water main, the responsibility for repairs falls to Sydney Water, and we will provide the necessary footage to report it.
How Long Does Pipe Relining Take Near a Pool?
The relining project in Sutherland Shire, mentioned in this article, was completed in under six hours, which included root clearing and lining of the damaged section. The time required for your drain will depend on the length of the damaged area, the number of joints needing sealing, and the accessibility of the entry point. We will provide you with a timeline after the camera inspection.
Schedule a CCTV Inspection for Your Blocked Drain Near the Pool
We aim to identify a method for repairing the drain from within the pipe before considering excavation, and we will show you the camera footage prior to commencing any work.
If you notice signs of a blocked drain near your pool, arrange a CCTV inspection or contact The Blocked Drain Guys at 0418 408 333. Craig or a member of our team will explain the inspection process and what we will be looking for.
Original Article First Published At: When Tree Roots Block Pipes Around Your Pool — And How to Fix It Without Digging Up Your Garden
The Article: Tree Roots Blocking Pipes Around Your Pool: Fixing Without Digging first appeared on https://writebuff.com
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