Canal wall maintenance

If you live on a canal, it is crucial that you are aware of the maintenance obligations for your revetment wall. Maintenance is generally not expensive, but without proactive care, small issues can lead to very expensive problems. We provide maintenance services all across Southeast Queensland.

Why canal walls need maintenance

Water naturally builds up in the soil behind canal walls.  Drainage like weepholes is critical to relieve pressure. However, drainage can become blocked by sediment, debris, or marine life.

Without maintenance, small issues can lead to cracking, erosion, subsidence, and wall failure. Most wall failures are gradual and preventable when addressed early. Protect your land and avoid costly repairs!

Our service capability

We are tooled to provide all services required to maintain your revetment wall. We provide services only to match what is required based on your specific wall condition. Our capabilities include:

  1. Wall Inspection & Condition Report: Identify early signs of wear, drainage issues, or structural movement before they develop into major damage.
  2. Drainage & Weephole Maintenance: Clear blocked drainage points to relieve water pressure behind the wall, including the installation of new plugs or filters.
  3. Joint Resealing: Reseal deteriorated construction joints to prevent water ingress and the loss of supporting soil.
  4. Concrete Spalling & Surface Repairs: Repair cracks and surface deterioration to slow reinforcement corrosion and protect structural integrity.
  5. Wall Subsidence & Ground Stabilisation: Stabilise affected areas, and backfill voids where soil has washed away behind the wall.
  6. Wall Cleaning & Sealing: Pressure cleaning and sealing across the wall face (to well-below the high tide mark) to enhance visual appearance. Sealant increases the longevity of your concrete.

Our pricing

All of our work is executed through quotation, in discussion with our clients. We do not undertake work that doesn't need to be done, and we work hard to provide price certainty to our clients. Our process:

  • Attend site for a wall inspection and condition report (A$100 incl. GST). If we suggest proactive maintenance (or rectification works), we will provide a fixed price quote in your report
  • Upon review and discussion of the report, our clients can make their own choices on how to proceed. Our guidance is always available
  • For any works requested by our clients, the full value of the condition report (A$100 incl. GST) is applied as a credit
  • As with our pontoon and over water deck projects, we do not consider our work completed until we have the full satisfaction of our clients

Talk to us about your wall

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Frequently asked questions

What are my obligations for wall maintenance?

Requirements for maintenance of revetment walls for canal properties are set by local council or body corporate regulations. Historically councils (or bodies corporate) have been responsible, but more recently is now commonplace for wall maintenance to sit with landholders.

What are the implications of poor maintenance?

In the fullness of time, walls without adequate maintenance are prone to collapse into the water, as a result of prolonged hydrostatic pressure against the wall from the landside. This could mean damage to your land, your neighbours' land, and potentially the council's marine environment within your quayline (all of that is expensive!). In the meantime, ground subsidence and wall displacement are common implications of problems behind the wall.

How do you care for a wall?

In short, by preserving a passage for water flow between the water and landsides of the wall (such that there is no hydrostatic pressure on the wall as the tide rises and falls) and by keeping wall joints in working order. This means replacing plugs, seals, and joints, and ensuring all passages are clean of debris and marine life. Aesthetically we also clean walls (to well-below the high tide mark) to enhance visual appearance

Why Bribie Pontoons?

We have been working on the water for more than 30 years, and we are familiar with most canals in Southeast Queensland. The same expertise and attention to detail that underpins our pontoon fabrication and installation is what we bring to our maintenance work. We do not consider a project to be complete until we have 100% client satisfaction.

Are there any hidden costs with pricing?

Absolutely not. We provide clear quotations to enable our customers to make informed choices about their wall maintenance. We also do not have any long-term obligations for our clients.

Can you replace walls?

We have the equipment and expertise to replace walls (including with innovative polymer tracks and formwork), but it is an absolute last resort. In most cases, wall reinforcement and corrective works are sufficient to re-work even the most fatigued walls.