Service Details
At S&S Remedial, we provide licensed, warranty‑backed retaining wall waterproofing solutions across Brisbane and the Gold Coast. Our team uses advanced membranes, drainage systems, and protective coatings to stop water penetration and protect reinforcement steel from corrosion. Every waterproofing project is carried out in compliance with QBCC licensing requirements, NCC guidelines, and Australian Standards (AS), ensuring durability and peace of mind.
Our Service Includes:
- Positive or Negative‑Side Waterproofing: Applying high‑performance membranes .
- Crack Injection & Joint Sealing: Epoxy, polyurethane injection and flexible sealants.
- Remedial Repairs: Re‑rendering for damaged retaining walls.
Why Choose Us?
Over 10 years of hands-on trade experience across Brisbane, the Gold Coast, Ipswich, and Tweed Coast.
Warranty-backed waterproofing systems
Designed specifically for Queensland’s harsh coastal climate, humidity, and heavy rainfall.
Remedial waterproofing specialists
Concrete, masonry, and block retaining walls, including leak repairs and long-term moisture protection.
Strict commitment to NCC and Australian Standards (AS)
Ensure compliant, durable waterproofing solutions that stand the test of time.
COMPLIANCES
Benefits of Waterproofed Retaining Wall
Prevents Water Damage & Soil Pressure Issues
Waterproofing retaining wall by a QBCC-compliant contract can permanently stop groundwater from penetrating concrete and masonry, reducing hydrostatic pressure build-up behind the wall.
Protects Reinforcement Steel from Corrosion
When water penetrates a retaining wall, it can reach the steel reinforcement, leading to rust and concrete spalling. A professionally applied waterproofing system creates a protective barrier that keeps moisture out, safeguarding reinforcement steel and maintaining the wall’s structural integrity.
Extends the Lifespan of Retaining Walls
By controlling moisture ingress and relieving water pressure, professional waterproofer from Gold Coast & Brisbane significantly extends the service life of retaining walls.
Improves Property Safety & Value
A stable, waterproofed retaining wall enhances overall property safety and value by reducing the risk of wall failure or ground movement.
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Our Retaining Wall Waterproofing System
Site Inspection & Moisture Assessment
We begin with a detailed on-site inspection to identify water ingress points, hydrostatic pressure issues, drainage failures, and signs of structural movement.
Application of Waterproofing System
Surface Preparation
We clean the retaining wall surface thoroughly, removing dirt, efflorescence, mould, loose render, and failed coatings. Cracks, voids, and honeycombing in concrete or masonry are repaired.
Drainage & Protection Measures
Crack Injection & Structural Repairs (If Required)
Compliance & Quality Assurance
Protect your retaining wall from water damage today!
Get Your Free Inspection Now!
1300 621 049 |
0407 560 277
Professional Waterproofing Services — Licensed, Compliant, and Backed by Industry Warranties
Brand We Trust
Testimonials
These guys do such an excellent job and provided a great roof leak repair service. I’ve used them for roof membrane waterproofing on a couple of houses now and wouldn’t go with anyone else. Thanks, S&S Remedial Services!
– Luke Harris
Stoked with the prompt rooftop waterproofing service and quality workmanship! Shawn and his expert team delivered the best waterproofing for our rooftop—highly recommend them to anyone looking for reliable, top-tier results.
– Dan Hamilton
I cannot fault these guys. They handled the concrete rooftop waterproofing on our property in Brisbane. Fantastic communication, streamlined process, and top-quality crew and workmanship. Highly recommend!
– John Becham
I was dealing with persistent water leaks on my roof and needed urgent help. I searched for a local waterproofing company and found S&S Remedial. From the first call to the final application, they were professional, fast, and incredibly thorough. My roof is now completely sealed and leak-free, and I couldn’t be happier with the results. Highly recommend them to anyone facing waterproofing roof issues.
– Lance Carlton
S&S Remedial provided excellent roof membrane waterproofing for our house. The team was professional, efficient, and the results were flawless. No more leaks—just peace of mind, rain or shine!
– Daniel Reid
The waterproofing of rooftop was handled professionally from beginning to end. The results have held up flawlessly through intense rain, the team worked efficiently, and the membrane system was of excellent quality.
– Chole Fraser
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Frequently Asked Question
After waterproofing retaining walls, how many years will the waterproofing membrane last?
With professional installation and regular maintenance, waterproofing systems can last decades. Our solutions are warranty‑backed and comply with QBCC, NCC, and Australian Standards for durability.
How much does an external and internal retaining wall waterproofing cost in Gold Coast or Brisbane ?
The average cost of waterproofing block retaining walls for a small project (20–30 sqm) typically ranges between $800 and $3,000, depending on the scope and condition.
S&S Remedial offers an obligation-free site inspection, followed by an honest, detailed quotation tailored to your project. Upon completion, you’ll receive the best basement waterproofing service backed by a workmanship warranty for long-term peace of mind.
If you need the cost of waterproofing block retaining walls per square foot, contact S&S Remedial at 0468760750 or 0407560227.
Why is it different from regular basement waterproofing?
Standard basement waterproofing often focuses on interior sealants or simple vapor barriers. Basement retaining wall waterproofing in Brisbane Northside or Southside usually requires a “positive side” approach (applied to the exterior) because it must manage:
- Hydrostatic Pressure: The force of water pushing against the wall.
- Soil Load: The physical weight of the wet earth.
- Drainage: Redirecting water away from the foundation before it even touches the wall.
Is waterproofing required by building codes?
What are the signs a retaining wall needs waterproofing or repair?
Who should perform waterproofing for retaining wall?
Do I need a licensed NCC compliant waterproofing contractor for retaining wall water ingress problem?
Yes, in Queensland, you do need a licensed waterproofing contractor for retaining wall work—especially when it’s part of a waterproofing system.
🛠️ Why Licensing Matters
- Compliance with Australian Standards: Waterproofing work must meet standards like AS 3740-1994, which governs waterproofing in wet areas.
- Building Code Requirements: Waterproofing is considered a regulated building activity under the Queensland Building and Construction Commission (QBCC).
- Insurance and Warranty: Licensed waterproofing contractors typically offer workmanship guarantees and are insured, which protects you if something goes wrong.