Roof Replacement & Re-Roofing
Full re-roofing in tile or marine-grade Colorbond for Illawarra homes — from the storm-exposed escarpment face to the salt-air southern suburbs.
Learn more →
More services
Explore our other services
Roof Repairs
Leak repairs, broken and slipped tiles, flashing, and ridge caps across Wollongong's diverse mid-century housing stock.
Learn more →Roof Restoration
Ridge repointing, re-bedding, sealing, and resurfacing for the terracotta and concrete tile roofs that dominate Corrimal, Fairy Meadow, Bellambi, and Towradgi's mid-century streets.
Learn more →Gutter Guard & Leaf Guard
Purpose-fitted leaf guard for escarpment-foot suburbs — Mount Keira, Keiraville, Figtree, Mangerton — and the escarpment-village strip (Coledale, Austinmer, Bulli) where eucalypt and rainforest litter blocks gutters year-round.
Learn more →Roof Leak Detection & Repair
Systematic leak tracing and repair across all roof types; fast response for Wollongong homes following Illawarra storm events.
Learn more →Skylight Installation
Skylight supply and installation on tile and metal roofs throughout the Illawarra, with weatherproofing suited to the escarpment-coast climate.
Learn more →Built for salt, storms and the southern dust
There's a reason metal and Colorbond roofing keeps winning out in the Illawarra. The coast throws salt at every ocean-facing roof from Coledale down to Windang, the steelworks-and-port precinct adds industrial residue across Port Kembla, Cringila and Warrawong, and East Coast Lows test how fast a roof can shed serious water. A correctly specified Colorbond roof answers all three.
Illawarra Roofing Co supplies and installs metal and Colorbond roofing across Wollongong — for new builds, full re-roofs, and replacing tired old metal roofs. It starts with a free inspection and quote. Call (02) 4210 5297 to book yours.
Why the grade matters more here than almost anywhere
Most roofing problems we see near the water come down to the wrong material specced for the exposure. Standard fixings and cappings corrode quickly within a kilometre of the surf, and faster again where salt meets industrial dust in the south. So the single most important decision isn't the colour — it's the corrosion rating.
For severe-exposure homes we install marine-grade Colorbond with matched corrosion-rated screws, valleys and cappings. Skimp on any one of those and the roof fails at the weakest part. Getting the whole system right is what makes a coastal Illawarra metal roof last.
Matching the grade to your distance from the surf
BlueScope publishes its own marine guidance, and we spec to it rather than to a sales target:
- General areas — standard COLORBOND steel is fine well back from the coast and away from industry.
- Severe marine — COLORBOND Ultra is positioned for roughly 100 to 200 metres from breaking surf, which covers a lot of the ocean-facing streets at Austinmer, Thirroul and Coledale.
- Very severe marine — stainless products such as SUPERDURA are intended for the most extreme exposure, inside about 100 metres of the surf.
The salt-plus-industrial mix around Port Kembla, Cringila and Warrawong behaves like a more severe zone than distance alone suggests, so we err toward the higher grade there.
Where Colorbond earns its keep
- The northern beaches — Thirroul, Austinmer, Bulli, Woonona — ocean-facing elevations that eat standard metal.
- The industrial south — Port Kembla, Warrawong, Cringila, Lake Heights — salt plus steelworks and port residue.
- Storm-exposed escarpment blocks where shedding heavy rain fast matters most.
- Low-pitch and modern homes where tile isn't an option and metal is the natural fit.
What you get with a Colorbond roof
Done right, a metal roof is light on the structure, quick to install, low-maintenance, and available in a wide colour range that holds up against fade. It handles the Illawarra's downpours without the leak risk of failing tile valleys, and — in the correct grade — shrugs off the salt that ages everything else on the coast.
Honest quoting and local accountability
Cost depends on roof size, pitch, the grade of Colorbond, access and whether you are re-sheeting or fully re-roofing — and on the coast, the higher corrosion grade is worth the modest extra over a roof that streaks rust early. A like-for-like metal re-sheet sits at one end; a tile-to-Colorbond conversion (which industry guidance often puts around 20,000 to 25,000 dollars on a typical home) sits higher because of strip-out and structural changes. We inspect, then quote on your actual roof — no sight-unseen numbers. Call (02) 4210 5297 to book yours.
Our work is licensed, insured and warranty-backed. We also handle full roof replacement and roof repairs across the whole service area, including Port Kembla, Warrawong, Austinmer and Coledale.
Thinking about a Colorbond roof? Call (02) 4210 5297 for a free inspection.
FAQs
Frequently asked questions
What does 'marine-grade' Colorbond actually mean for my home?
Colorbond comes in different corrosion ratings. Standard grades are fine well inland, but homes near the surf or in the salt-and-industrial belt around Port Kembla need a marine-grade product and corrosion-rated fixings designed for severe coastal exposure. Using the right grade is the difference between a roof that lasts decades and one that streaks rust in a few years. We spec to your distance from the coast.
Is Colorbond better than tile in the Illawarra?
It depends on your home and exposure. Colorbond is lighter, sheds heavy rain fast, suits low pitches, and — in marine grade — handles salt far better than old metal fixings on a tile roof. Tile suits established streetscapes and some heritage areas. Near the coast or for a storm-prone roof, metal usually wins; we'll give you the honest comparison.
Can you replace just my old metal roof, not re-sheet the whole house?
Often, yes. If the structure is sound we can replace corroded sheeting, valleys, flashings and cappings while keeping the existing framework. If the battens or structure are gone too, a full re-roof is the better value. The free inspection tells us which.
Which Colorbond grade do I need near the Illawarra coast?
It comes down to how close you are to breaking surf. BlueScope positions standard COLORBOND steel for general areas, COLORBOND Ultra for severe marine zones roughly 100 to 200 metres from the surf, and stainless options such as SUPERDURA for the most extreme exposure inside about 100 metres. Ocean-facing streets at Austinmer, Thirroul and Coledale, and the salt-plus-industrial belt around Port Kembla, are where grade really matters. We match the spec to your distance from the water rather than guessing.
Will a Colorbond roof make the house hotter or noisier in rain?
Not when it is built properly. Anti-condensation sarking and insulation under the sheets handle both heat and rain noise, and a light Colorbond colour reflects more summer heat than a dark tile. The Illawarra gets heavy, drumming rain in an East Coast Low, so we detail the underlay rather than sheet straight onto battens.
How long does a Colorbond roof last on the coast?
With the correct marine grade and matched fixings, a coastal Colorbond roof is built to last decades — the failures we see are almost always the wrong grade or mismatched cheap screws, not the steel itself. Inland, away from salt, lifespan is longer again. Periodic rinsing of sheltered areas the rain does not reach helps salt-zone roofs go the distance.
Free, no-obligation