The façade defects we see most on Melbourne buildings.
After years on the ropes across Melbourne's towers, the same handful of problems come up again and again. Here's what they are, why they happen here, and when they tend to show up.
The short version: most façade defects we're called to trace back to water — a sealant joint that's perished, a window gasket that's gone hard, render that's cracked — and the damage that water causes once it's behind the skin. Melbourne's huge crop of apartment towers built from the mid-2000s on is now hitting the age where those things start to let go together.
1. Spalling concrete ("concrete cancer")
On older concrete buildings, this is the defect we see most. Water and carbon dioxide reach the steel reinforcement, it corrodes and expands, and it pushes the concrete off — you'll see rust staining, cracking, then chunks letting go from balcony edges, soffits and slab edges. It's progressive and it doesn't fix itself. We've written a full piece on spalling in Melbourne, and we repair it by rope access.
2. Water ingress
A wet patch inside is rarely where the water gets in. On Melbourne's wind-driven-rain elevations (the south and west take a beating) water finds perished joints, failed cappings and tired waterproofing and travels before it shows. Finding the real entry point is half the job. Here's where Melbourne buildings actually leak — and we trace and rectify it at the façade.
3. Perished sealants and glazing gaskets
Silicone and polyurethane joint sealants and EPDM glazing gaskets have a service life — typically 10 to 15 years — and Melbourne's UV and temperature swings shorten it. Once they harden, crack or pull away, the façade leaks and glazing starts to move. It's the quiet defect that causes the loud ones. More on sealant and gasket failure here.
4. Tired and non-compliant cladding
Two issues sit under "cladding": panels that are simply weathered, fixings that have loosened or flashings that have failed — and the separate, well-known combustible-cladding problem on towers built in the boom years. We've explained combustible cladding in Victoria separately; on the maintenance side we re-fix, re-flash and replace panels by rope access.
5. Glazing defects and movement
Failed insulated-glass units (foggy double glazing), scratched or stained glass, and panes that have shifted as gaskets perished. On high-rise it's all reachable on rope — we re-glaze and remediate without a scaffold program for a handful of panels.
Why Melbourne, why now
Three things stack up here. First, age: the apartment boom from roughly 2005 to 2018 put up an enormous number of towers, and the earliest of them are now 15–20 years old — exactly when sealants, gaskets and waterproofing reach end of life. Second, exposure: proximity to the bay means salt-laden air on a lot of buildings, which accelerates corrosion. Third, weather: Melbourne's wind-driven rain works at every weak joint on the windward elevations. None of it is unusual — it's just predictable, which is why a maintenance program beats waiting for a chunk to fall.
The sensible path on any ageing façade is the same: get it looked at properly up close, fix the water problems before they cause structural ones, and put the building on a cycle rather than reacting to failures. That's what a façade maintenance program is for, and where a façade inspection report starts.
Façade defect FAQs
What's the most common façade defect on Melbourne buildings?
Water-related defects are the common thread — perished sealants, failed gaskets and cracked render let water in, and that water drives most of the other damage, including spalling and internal staining. On older concrete buildings, spalling itself is what we're called to most.
When do façade defects usually start showing up?
Sealants and glazing gaskets typically start failing around 10–15 years — which is why Melbourne's mid-2000s to mid-2010s towers are reaching the age where defects appear together. Spalling can take longer, but coastal and exposed buildings show it sooner.
Do I need scaffold to inspect a high-rise façade?
No — we inspect and test the whole elevation up close by rope access, then rectify on the same access, without the cost and disruption of scaffold. Drone inspection can supplement it for a first-pass overview.
Worried about your building's façade?
Tell us the building and what you're seeing — we'll inspect it properly and respond within one business day.
Request a quote →