Waterproofing, explained properly
Technical reference written for builders, consultants, strata managers and owners. VVS is a waterproofing contractor — not a certifier or regulator — and nothing here is a compliance determination for a specific project.
NCC Waterproofing Requirements — An Overview
How the National Construction Code frames waterproofing obligations, and why the applicable provision depends on the building class and the element being waterproofed.
Read NCC & StandardsClass 1 Waterproofing — Houses and Townhouses
What waterproofing typically involves on detached houses and townhouses, from internal wet areas to balconies and terraces.
Read NCC & StandardsClass 2 Waterproofing — Apartments and Multi-Residential
Why Class 2 buildings concentrate waterproofing risk, and how staged balcony, podium and wet area works are typically delivered.
Read NCC & StandardsClass 3 Waterproofing — Residential Accommodation Buildings
Waterproofing in hotels, student accommodation, boarding houses and similar buildings, where downtime carries commercial cost.
Read ApplicationsFalls and Drainage — Water Needs Somewhere To Go
Why falls, screeds and outlet coordination determine membrane performance more often than the membrane product does.
Read SystemsSheet vs Liquid Membranes — Choosing By Application
The practical trade-offs between sheet and liquid-applied systems, and why neither is universally correct.
Read ApplicationsTiling Over Waterproofing — Protecting What You Cannot See
How the tiling scope can protect or compromise the membrane beneath it, and why coordination between the two matters.
Read FailuresWhy Waterproofing Fails
The recurring causes seen on remedial projects — and how many of them originate at trade interfaces rather than in the membrane itself.
ReadArticles are reviewed periodically. Applicable requirements differ between projects, building classes and elements — always refer to the project documentation and the relevant certifier or consultant.
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