Commercial & residential waterproofing specialists — licensed, AS-compliant, 10-year warranty.
Econyc has been waterproofing Sydney’s commercial and residential buildings for over a decade — from sole-owner investors to tier-1 builders and strata managers with hundreds of apartments.
We hold a valid NSW Fair Trading waterproofing contractor licence, carry $20M public liability and $5M professional indemnity insurance, and are approved applicators for CETCO Voltex and Tremco Paraseal bentonite waterproofing systems.
Valid NSW Fair Trading waterproofing licence. Every installer is a licensed tradesperson. $20M public liability, $5M professional indemnity.
AS-compliant records, waterproofing certificates, and photographic DFT documentation provided — everything your certifier or strata manager needs.
10-year workmanship warranty on all new installations. Manufacturer product warranty as approved applicator for CETCO and Tremco systems.
The highest-consequence application in the trade. Econyc provides positive-side waterproofing for new builds, negative-side cementitious systems for existing basements with active groundwater, and polyurethane injection for crack sealing. We are approved applicators for CETCO Voltex and Tremco Paraseal bentonite systems.
Liquid polyurethane membrane systems to AS 4654.2. Flood test before tiling, DFT documented, waterproofing certificate provided for strata compliance. Full balcony guide →
Sheet bituminous, torch-on, liquid polyurethane, and polyurea systems. We assess substrate condition, establish correct drainage falls, and provide maintenance programmes for building managers.
CETCO Voltex and Tremco Paraseal bentonite panels — the benchmark products for retained-earth applications. Approved applicator for both. Full retaining wall guide →
Hydrophilic PU for active water-bearing cracks; structural epoxy for dormant cracks in load-bearing elements. Emergency water stop available. Full crack repair guide →
Bathrooms, ensuites, laundries, and commercial kitchens to AS 3740. Waterproofing certificates for certifier approval.
We operate across all of Greater Sydney: CBD and inner suburbs, Eastern Suburbs (Bondi, Randwick), North Shore (Chatswood, Mosman), Inner West (Newtown, Balmain), Western Sydney (Parramatta, Penrith), Sutherland Shire, and Northern Beaches (Manly, Dee Why).
The first step is a free site inspection. Waterproofing prices are impossible to quote accurately without seeing substrate condition, access constraints, and drain positions. Econyc provides written, fixed-price quotes — no hourly rates, no surprise variations for a compliant installation.
Site inspection · Fixed-price quote · Greater Sydney service area