Regulated Class 4 external waterproofing, structural balcony restoration, and liquid sheet systems for multi-level strata assets and premium residential spaces. Formally declared and verified.
START DBP WATERPROOFING QUOTEPick a Service Bundle to get your instant quote. 2026 Verified Pricing.
Service area baseline set to: 10m²
Safe removal of existing failed tiles, screed, and debris disposal (10m² baseline).
Substrate preparation, fall correction, and AS3740 compliant high-performance membrane (10m²).
Premium porcelain installation with flexible adhesive and color-matched external grout (10m²).
0433 379 576
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LIC: Builder 283896C • ABN 34 160 847 736
Full Demo + 3-Coat Waterproofing + 300x300 Tiles + Skirting.
Full Demo + 3-Coat Waterproofing + 600x300 Tiles + Skirting.
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Fall Correction (Screeding) Engineered sand/cement bed to ensure correct drainage flow to wastes. |
$1,850.00
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Balustrade Core-Hole Sealing High-performance epoxy grout sealing to prevent water ingress at posts. |
$650.00
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Joint Sealant (PU Expansion) Polyurethane caulking to perimeter and control joints (AS compliant). |
$480.00
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Efflorescence Treatment Removal of calcium deposits and application of breathable sealer. |
$1,200.00
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Estimated Total





Simple answers to leaking balconies, cracked tiles, and keeping your outdoor areas completely watertight.
Balconies deal with intense sun, heavy downpours, and structural building movement. When grout lines crack or the underlying waterproofing skin fails, rainwater sneaks right beneath the tiles. With nowhere to go, it soaks through the sub-floor slab and ruins ceilings or timber framing below.
Most balcony leaks return because of poor planning or cutting corners. We only use Licensed Waterproofers to meet strict outdoor AS4654 Standards, protecting your home from structural rot.
If the timber or concrete slab underneath is already waterlogged and rotting, a surface patch won't save it. However, if the structure is fully sound, we can use clear, deep-penetrating epoxy seals. But for long-term protection, a complete tear-out ensures the rot stops completely.
Worried about a "quick fix" failing? Our process includes a full system strip-out and a mandatory 24H Flood Test. We prove the seal is 100% watertight before a single new tile is laid.
When a balcony doesn't slope toward the drains, water sits in pools along the edges or doors. This constant pooling moisture eats through the perimeter joints, stains the brickwork, and causes severe concrete spalling (concrete cancer) on balcony edges.
Don't risk your property investment with cheap, cash-only quotes. Every balcony project is backed by a 6-Year Workmanship Warranty and verified NSW Fair Trading Licenses.
Category: Multi-Level Waterproofing Shield | DBP Compliant
A multi-level residential strata complex suffered continuous, severe water ingress shifting from the top-floor open balconies directly down through the structural concrete slabs, damaging internal living rooms below.
A forensic audit identified a total breakdown of the original liquid membrane, a complete absence of perimeter termination flashings, and blocked drainage hubs that created critical hydrostatic pressure.
Complete removal of failed tiles, screed, and membranes down to bare structural concrete. Substrate ground flat and treated for cracks.
Installation of a premium Polyurethane waterproof system with engineered Class 3 high-flex wall-to-floor termination bands.
Laid new acoustic-rated screed to correct falls toward drainage outlets, finished with high-end anti-slip porcelain tiling.
Total Balcony Surface Area: 35m² | Remedial Investment: $18,450 +GST
Structural Assurance: 100% Certified AS3740 Compliant Flood Test Pass
Select a Specialist Repair for technical projects or General Trade for standard building works. 2026 Price Verified.