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What is Pipe Relining and How Does it Work?

Pipe relining is an innovative procedure that introduces a new lining into your system, eliminating the need to replace old pipes or excavate your property for drain repair. This innovative method creates a smooth, watertight conduit for damaged pipe areas, ensuring pipes can regain their full function, offering a substantial improvement over traditional methods of pipe replacement.

The technique involves inserting a resin-coated liner into the existing pipe, then inflating and curing it to form a new pipe inside the old one.

The first step involves a thorough camera inspection using a drain camera paired with a liner coated in high sensitivity equipment to pinpoint the damage’s location and scope within the pipes. we take measurements of the affected areas and tailor the new pipe lining for your specific configuration to ensure they integrate seamlessly with the established framework. Once the pipes within are thoroughly cleaned and prepared, we make sure the flexible tubing liners – crafted to fit snugly within the existing framework – are coated with a special epoxy resin that remains soft and pliable for insertion.

When set, we proceed once more to again ensure the resin cured under UV light or hot water steam solidifies, forming the new pipe nesting within the original. The result is a robust, joint-free new durable pipe lining, outlasting traditional pipes, seamlessly integrated into existing pipe structures, securely bonded to the old pipe walls.

Our robust pipe relining solution, sidestepping the need for ground excavation, offers a wide array of applications, being a versatile option for all types of pipes, including clay, concrete, PVC, and more, guaranteeing effective restoration. Compared to traditional pipe repair, the pipe relining process is quicker, taking only a few hours while restoring flow capacity and preventing further corrosion and leaks. This trenchless method is a cost-effective solution for your pipes, providing a long-lasting alternative to traditional pipe repairs or replacements.

When to Consider Pipe Relining Over Replacement

Pipe relining is a cost-effective and non-intrusive solution for repairing old but intact pipelines. Situations where pipe relining is preferable over full replacement due to its non-disruptive nature include:

  • When repairing damaged pipes in limited to small sections or localised breaks
  • For ageing pipes manifesting signs of wear tear such as root encroachment, corrosion, or cracks—often signifiers of a broken pipe—yet still structurally sound
  • In scenarios where we would opt for pipe relining to bypass the excavation process that may compromise your yard’s landscaping or the structural foundation of your abode
  • To confirm there no disruption to your landscape and other outdoor features such as driveways, patios and floral beds
  • To circumvent extensive restoration efforts, loud disturbance and the rubble associated with remediating your toilet drain through sewer pipe replacement

In contrast to trenching and replacing entire pipe runs, relining requires just a small access point. A special liner, coated with epoxy resin, is inserted into the older pipe, constructing a seamless new passage without incurring any additional costs of full pipeline replacement.

Identifying Issues That Require Pipe Relining

There are several common plumbing issues where repairs can be effectively executed through our pipe repair method of relining instead of full replacement:

Corroded Pipes

Cast iron, galvanised steel, and copper plumbing pipes can corrode over time, leading to blocked drains, leaks, clogs, and reduced flow capacity. Relining delivers a longlasting solution to repair pipe integrity that your property depends on, sidestepping the need for a full system replacement.

Cracked Pipes

Cracks in sewer line, pressure pipes, drain pipes or vent stacks create water damage risks. Utilising pipe relining, a robust new epoxy barrier emerges to repair any compromised area, restoring full integrity at only a fraction of the conventional cost.

Root Intrusion

Tree roots invading and encasing pipes can lead to blocked pipes and other issues, and Our skilled team is on hand to diagnose and fix problem areas within your home’s drainage system. The robust resin liner used in our method effectively minimises pipe damage and resolves any problems your drain might face, while also safeguarding your system against future root invasions.

Various concerns such as offset joints, bellied lines, and deteriorating pipe materials in drain sewer systems can also be addressed, thanks to our advanced pipe relining technique appropriate for any plumbing scenario. The seamless product resists corrosion, abrasion, weathering and other common pipe failure causes.

Comparing Cost of Relining vs Replacement

When evaluating pipe relining vs traditional pipe replacement, cost is a significant factor. Here’s a breakdown of the costs typically associated with both methods:

Pipe Relining

  • Access point creation: $150 - $350
  • Video pipe inspection: $250 - $400
  • Pipe measurement for your specific system and custom liner fabrication: $500 - $900
  • Complete pipe liner installation: $2000 - $4000
  • Total:$3000 - $6000

Full Pipe Replacement

  • Site preparation and excavation: $2000 - $4000
  • Removal and disposal of old pipes: $1000 - $1500
  • Installation of new pipes: $3000 - $7000
  • Backfilling and compacting trenches: $1500 - $2500
  • Landscape and surface restoration: $2000 - $4000
  • Total:$9500 - $17,000

As shown, relining comes in at around 35-60% cheaper than replacement. Factoring in its 50-year expected lifespan equal to new pipes, the long-term savings amplify, ensuring a fair price for an extensive lifespan.

The ability to avoid driveway demolition, potential foundation damage and significant restoration work makes us definitely recommend pipe relining as the cost-effective choice with minimal upheaval.

Step-by-Step Process of Pipe Relining

Here’s a guide to the trenchless process of how pipe relining repairs your pipes:

  1. Initial CCTV Drain Inspection

    Initially, we use CCTV technology, threading a camera through your plumbing system to pinpoint any damage and ascertain the precise pipe dimensions.

  2. Liner Preparation

    We measure and create a custom-fit epoxy resin liner for your pipes.

  3. Cleaning the Pipes

    Using hydro-jetting, mechanical rodding, robotic cutters, and descaling, we prepare the old pipes by removing any debris blockages.

  4. Installing the Liner

    Our technicians ensure the liner is saturated with special resin, then insert it carefully through an access point such as a manhole. Following this, an inflatable bladder is deployed to expand the liner into damaged pipe sections, ensuring conformity with the pipe’s silhouette after liner placement.

  5. Curing the Lining

    We use hot water, steam or UV light to cure and harden the resin into a smooth, seamless and corrosion-resistant new pipe.

The efficient relining process is executed with precision and completed in just 1-2 days, causing minimal disruption. You gain renewed pipes with a 50+ year lifetime. This trenchless solution avoids costly demolition work while restoring pipe function and flow capacity.

Benefits of Choosing Pipe Relining

Opting for pipe relining over full replacement provides numerous benefits pipe owners will appreciate, including:

  • Less invasive – Only small access points are needed to feed in liners instead of digging long trenches.
  • Preserves landscaping – Avoid tearing up gardens, driveways and structures to access pipes underground.
  • Quick process – Relining takes just 1-2 days instead of weeks of demolition and restoration.
  • Long lifespan – The seamless epoxy barrier lasts 50+ years equal to new pipes.
  • Greater flow capacity – Smooth interior walling removes blockages and corrosion buildup.
  • Fewer joints – Continuous liners won’t leak, crack or come apart at connections.
  • Added property value – Upgraded drainage systems make properties more appealing to buyers.

Pipe relining secures your drain, halts leaks, guarantees reliable repair, bars root intrusion, and revitalises your old pipes at a fraction of replacement cost. Among the benefits pipe relining offers, this innovative repair method is proven to extend the lifetime of your drains for decades to come.

Types of Pipes Suitable for Relining

Pipe relining can be effectively used to restore various types of pipes, such as:

Water Pipes

Both hot and cold potable water pipe systems composed of materials such as copper, galvanised steel, iron, and lead can undergo our innovative relining versus the necessity of replacement.

Sewer Pipes

Sewer pipe relining designed for waste removal, spanning materials like cast iron, PVC, concrete, and others, can undergo repair through relining rather than excavation.

Stormwater Pipes

Underground stormwater drainage pipes in various shapes, sizes and materials are also great candidates for trenchless relining.

Gas Pipes

Natural gas supply lines and fittings damaged by corrosion or settlement issues can also benefit from pipe relining as an alternative to replacement.

So whether you have galvanised, copper, PVC, cast iron or clay pipes, the CIPP (Cured-In-Place Pipe) relining process can restore most types. This adaptable trenchless technique renews pipe functionality, effectively combating drainage issues while averting the need for costly excavation.

Frequently Asked Questions

How much does pipe relining cost?

On average, pipe relining costs range from $3,000 to $6,000, inclusive of inspection, custom liner creation, and installation. This method is 35-60% less expensive than full replacements, which can cost between $9,500 and $17,000.

How long does pipe relining take?

The trenchless pipe relining process typically finishes within 1-2 days. Following pipe inspection and measurement, we insert and cure a custom-made liner, ensuring major long-term renewal with minor disruption.

What is the lifespan of a relined pipe?

Well-installed pipe liners with durable repair capabilities boast an expected lifespan exceeding 50 years—equalling or surpassing that of brand new pipes. Over time, this equates to significant cost savings compared with replacements that necessitate recurring excavation.

Can you reline any type of pipe?

Drain pipe relining is versatile for all common plumbing materials, including cast iron, galvanised, ABS, PVC, clay, and concrete pipes, ranging from 1.5" to 36" in diameter.

Do relined pipes have flow capacity issues?

No - quite the opposite. Pipe relining removes internal corrosion, accumulations, cracks and blockages that reduce capacity over time in ageing pipes. The uniform smoothness of the liner enhances flow rates, addressing any concerns that come with pipe degradation over time.

Is there a warranty for pipe relining?

Yes, we offer a 10-year conditional warranty on our pipe lining installations; fill out our warranty form to qualify. Check out our maintenance agreement and, subject to regular maintenance according to standards, we guarantee the integrity of the pipe for at least a decade.

News & Information

pre-emptive plumbing inspections ?
Are pre-emptive plumbing inspections useful?

Pre-emptive plumbing inspections thoroughly check issues that may not show up in regular building & pest inspections e.g. leaks, pipe damage, drainage problems. Identify issues before buying to avoid expensive repairs. Contact Blacktown Plumbing to book a comprehensive inspection.

Hot water system maintenance checklist
Hot water system maintenance checklist

A hot water heater maintenance checklist is essential to keep your system operating safely and efficiently. Regularly check for leaks, flush out sediment buildup, inspect key components and test safety valves. Call a professional if you notice any issues.

Long Relined Pipes ?
How Long Do Relined Pipes Last?

Relined pipes are designed to be as durable as new pipes, with a typical lifespan of 20-50 years. Our Blacktown plumbing specialists use advanced CIPP technology to reline damaged sewer and drain pipes, providing an efficient, long-lasting solution that comes with great guarantees and warranty options.

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