WS Remedial Group

WS Remedial Group Remedial Waterproofing & Concrete Repair Specialist in Brisbane, Sydney, Gold Coast, Sunshine Coast

WS Remedial Group | Remedial Building Specialists


WS Remedial Group is an expert provider of remedial building services across Queensland and New South Wales, with national service capabilities. We inspect, repair, and protect built assets with durable, compliant, and cost-effective outcomes, helping clients resolve complex building issues with confidence. We specialise in addressing water ingre

ss, structural deterioration, and façade defects across commercial, residential, strata, industrial, civil and government infrastructure. Whether it’s a heritage building with rising damp or a high-rise with persistent water leaks, we bring bespoke outcome-focused solutions to every project. Our Core Services:

Remedial Waterproofing

Concrete Repair

Crack Injection (Epoxy & Polyurethane)

Leak Sealing (High-Pressure Injection)

Joint Sealing & Concrete Joint Refurbishment

Subsoil Drainage

Asbestos Encapsulation

Slab Jacking & Ground Improvement

Protective Coatings

TPO Roofing Membrane

Façade Retrofitting

Remedial Consulting & Project Management


Formerly Waterstop Solutions, our team has delivered thousands of successful projects since 2009, including iconic sites such as Parliament House, the Sydney Harbour Bridge, and major tunnels and civic assets. At WS Remedial Group, we protect, restore, and safeguard the built environment through technical expertise, integrity, and a relentless commitment to getting it right. Our commitment to safety and environmental impact always takes priority. Our approach to quality is to plan; control; monitor and grow from the outcomes. Quality assurance is a tool for us; the client and the supplier to micro manage the critical elements of their project that ultimately produces an optimal result. With limited training opportunities for our field of expertise in Australia, we have invested in sending our project manager to Singapore, USA and Germany (recognized leaders in this field) to undergo extensive training. This provides us with the foundation for further development and up-skilling of our Australian workers. Waterstop Solutions (Qld) has policies and procedures in place that are developed to meet industry standards. Constant review and development in the way we conduct our business benefits not only the company, but also our clients and employees. Guided by the health and safety of our employees, our impact and responsibilities to the environment and providing a quality service, we monitor and adapt to accommodate changes that impact us. Waterstop Solutions (QLD) Pty Ltd trading as
WS Remedial Group QLD

ABN 57 135 385 036
QBCC Licence: 1162603 (Waterproofing and Concreting)


WS Remedial Group (NSW) Pty Ltd
ABN 92 688 403 438


CM3 Certification Licence Number: 009923

Approved vendor of (but not limited to): SEQ Water, Hutchinson Builders, JLL, CBRE, JLG, RACQ Insurance.

When a building starts leaking, cracking or deteriorating, the visible issue is often only part of the story. WS Remedia...
04/06/2026

When a building starts leaking, cracking or deteriorating, the visible issue is often only part of the story.

WS Remedial’s Specialist Site Inspection is designed to identify the likely cause, trace moisture paths and provide practical repair guidance for live, occupied assets. With photographic evidence, clear advice and budget bands, clients can move forward with more confidence.

Learn more: https://wsrg.au/site-inspection/

We’ve had steady rain for days. We have sunny week ahead, it's time to check for damp patches.Signs of a leaking roof ca...
02/06/2026

We’ve had steady rain for days. We have sunny week ahead, it's time to check for damp patches.

Signs of a leaking roof can sometimes take time to appear. A small leak, failed membrane, or ageing roof can quickly become a much larger repair if left too long.

Ponding, standing water on flat or low-slope roofs, is one of the most common causes of hidden water ingress. Not dramatic. Just persistent.

Incorrect drainage falls mean water sits where it shouldn’t. It stresses membranes, corrodes metal, and finds its way through seams and penetrations that would otherwise hold.

After prolonged rain, check for:

☐ Standing water on flat or low-slope sections
☐ Blocked gutters, outlets or roof valleys
☐ Lifted or corroded flashing at vents, skylights or chimneys
☐ Cracking sealant around roof penetrations
☐ Ceiling stains or damp patches indoors
☐ A musty smell in the roof space
☐ Repairs that keep coming back in the same spot

If water isn’t leaving the roof efficiently, it’s finding another way.

Unsure of what you're looking at? Call 1800 005 000 or visit wsrg.au to arrange an inspection.

Concrete repair is about more than appearance. It is about safety, durability and protecting buildings that need to keep...
02/06/2026

Concrete repair is about more than appearance. It is about safety, durability and protecting buildings that need to keep performing every day.

We’re delivering a large concrete repair project at a school in Queensland, helping address deterioration and support the long-term performance of the asset.

Leaking windows, condensation and rising energy costs are often signs of a bigger glazing issue.The right glazing soluti...
28/05/2026

Leaking windows, condensation and rising energy costs are often signs of a bigger glazing issue.

The right glazing solution can help improve comfort, reduce ongoing problems and support better building performance over time.

We take a specialist approach, starting with the real cause before recommending the right path forward.

Learn more: https://wsrg.au/services/specialist-glazing/

25/05/2026

This basement garage slab wasn't flooded by a burst pipe. The water came up from below - pushed through cracks and wall-floor joint by saturated soil after days of steady rain. 💧

The rain hasn't been heavy - but it's been consistent. And consistent rain does something that a single downpour often doesn't: it fully saturates the soil around your building's foundations and basement walls.

Once that soil is saturated, it pushes back. We call that hydrostatic pressure - and it's one of the most common reasons basements leak, walls crack, and below-ground structures deteriorate over time.

Here's something worth knowing: one of the most frequent entry points for water isn't a crack in the wall - it's the joint where the floor meets the wall. We call it the cove joint or floor-to-wall joint. Under hydrostatic pressure, this junction acts like a highway for water. It's particularly vulnerable in basements where the slab was poured between existing walls, and water can get in here even when a waterproofing membrane has been applied to the outside of the wall.

If your building has a basement, carpark, undercroft, or any below-ground element, here's what to look for:

💧 Water weeping through concrete or blockwork walls
💧 Water pooling specifically where the floor meets the wall
🔍 White chalky deposits on wall surfaces - called efflorescence
🌿 Musty odours or mould growth below ground
🌿 Elevated humidity in enclosed below-grade spaces

If you're on a site that slopes toward the building, or cut into a hillside, the risk is higher - groundwater naturally concentrates at the structure if drainage hasn't been installed to redirect it.

WS Remedial Group's solutions for hydrostatic pressure include typically includes some or all:

→ High-pressure leak sealing injection for treating active leaks using patent-pending systems to protect and extend the life of your most valuable assets.
→ Positive side and reverse side waterproofing systems combined with concrete repairs to manage sustained pressure
→ Subsoil drainage improvement to redirect groundwater away from the structure

For other signs, early action makes remediation far simpler.

📞 1800 005 000 | [email protected] | wsrg.au

Seen any of these signs after the recent wet weather? Drop a comment below 👇

The right glazing does more than improve appearance.It can help reduce water ingress, improve thermal performance, creat...
21/05/2026

The right glazing does more than improve appearance.

It can help reduce water ingress, improve thermal performance, create quieter spaces, and lower long-term maintenance costs.

At WS Remedial Group, we carry out glazing assessments and compliance reviews before small issues become major building problems.

Whether it’s remedial glazing, a retrofit upgrade, or improving overall building performance, the focus is always on practical, compliant outcomes that make sense for the asset.

Our glazing capabilities include:
• Building envelope defect diagnostics
• Thermal performance assessments
• NCC 2022 Section J, AS 1288 & AS 2047 compliant glazing solutions
• Repairs, sealing, replacement and retrofit works
• Reversible secondary glazing accepted by most heritage authorities
• Upgrades designed to improve energy performance and reduce operational costs
• Colour matching

If your building is showing signs of glazing failure, water ingress, condensation, or rising energy costs, it may be time for a review.

Call us on 1800 005 000 or email us at [email protected]

Better glazing. Better building performance.

A roof issue rarely shows itself clearly. The stain you see inside is often nowhere near the real source.That is why spe...
21/05/2026

A roof issue rarely shows itself clearly. The stain you see inside is often nowhere near the real source.

That is why specialist roofing starts with diag-nosis. From active leaks and failed mem-branes to ageing roofs and ongoing mainte-nance planning, getting clarity early can save far bigger costs later.

Learn more: https://wsrg.au/services/specialist-roofing/

What looks like a simple waterproofing repair is no longer always simple.With NCC 2025, a like-for-like fix on an existi...
19/05/2026

What looks like a simple waterproofing repair is no longer always simple.

With NCC 2025, a like-for-like fix on an existing building can now trigger design obligations, documentation requirements and registered practitioner sign-off.

For strata committees, property managers and asset owners, that means compliance needs to be considered from the beginning, not after works have started.

WS Remedial Group delivers remediation across NSW, QLD and NT with current compliance requirements built into the process from scope to sign-off.

Read more: https://wsrg.au/waterproofing-defects-are-australias-most-costly-building-risk-ncc-2025-is-changing-what-compliance-looks-like

Concrete repairs done. Now it's about making sure the tank stays protected long after we leave site.Our specialist remed...
15/05/2026

Concrete repairs done. Now it's about making sure the tank stays protected long after we leave site.

Our specialist remedial technicians protect the repair works in this leachate tank properly. Surface prep, fit-for-purpose concrete protection installed with detailed precision. The stuff that actually matters if you want the system to last.

Most people don't notice quality remedial work once it's behind a wall, under a floor or inside a water retention tank. That's kind of the point — and we'd rather keep it that way.

Need support on a remediation or protection project? Reach out to the team for a chat on 1800 005 000 or send us an email to [email protected]

Address

Unit 4, 10-12 Russell Street
Petrie, QLD
4502

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

Telephone

+61732051899

Website

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