Metal Roof Restoration in Thornlie
Professional metal roof restoration services for Thornlie homes and businesses. Licensed, insured, and backed by Dulux 15-year manufacturer warranty on materials. Suitable for metal roofs across Thornlie.
65+ completed roofing jobs on record in Thornlie

Licensed & Insured
Dulux Accredited
5 Stars
Free Quotes
Why Choose Us for Metal Roof Restoration in Thornlie?
Colorbond and Zincalume roofs scattered through Thornlie face oxidation, tannin stains from heavy tree canopy, and accelerated rust at screws and flashing edges from the subtropical summer heat. Metal roof restoration cleans the surface back to sound metal, primes for Thornlie's heat conditions, and applies a two-coat finish that's UV-stable. Single-storey metal roofs typically run $9,000 to $12,000, or $12,000 to $16,500 for two-storey or complex shapes. It's a clean and repaint, and we assess fasteners and transition flashings on reroofed homes closely, flagging anything genuinely corroded or loosened rather than coating over it. Metal's lighter than tiles, but Thornlie's heat and moisture conditions need proper maintenance to keep them lasting.
Metal roofs in Thornlie whether original Colorbond or Zincalume or replacements over old tile develop specific problems. Tannin stains from the eucalyptus and jacaranda canopy discolour panels, screw penetrations rust as seals degrade, and the 38 to 42 degree summer heat expands and contracts panels, loosening fasteners year on year. Many homes reroofed in the 1990s-2000s over original tile have transition flashing issues where old and new materials meet.
Roof restoration in Thornlie for ageing homes established from the late 1950s through the 1980s, including repointing and tile renewal. Dulux Acratex accredited, 15 year warranty. Free quotes.
What's Included
- Free Satellite Quote - We measure and assess your roof from professional satellite imagery, no on-site inspection needed
- Fixed-Price Quote - No hidden costs, transparent pricing before work begins
- Professional Service - Licensed tradespeople with years of Thornlie experience
- Premium Materials - Dulux Acratex products with 15-year manufacturer warranty
- Quality Guarantee - 12-month workmanship warranty on repointing, rebedding, tile replacement and leak repairs
Local Thornlie Expertise
Thornlie is one of Perth's largest and most established southeastern suburbs - 17km from the CBD, first established as a housing estate in the late 1950s (the first homes were occupied in 1957) and built out through the 1960s, 1970s and 1980s with a population built around family homes on generous quarter-acre blocks. Nearly seven decades of settlement has produced a suburb with uniformly aging roof systems and impressively mature streetscapes: eucalyptus, peppermint, and jacaranda trees now 15-20m tall creating a suburban canopy that shades significant portions of roof surfaces across the suburb. The Canning River runs near Thornlie's southern boundary, and the suburb's flat to gently undulating terrain retains moisture longer than hillier areas. At Roof Restorers Perth, we've restored roofs across Thornlie, Forest Lakes, and the wider Maddington corridor with 15+ years of team experience, specialising in the mass-built 1960s-1980s housing stock that defines this suburb.
The result: Comprehensive restoration that brings Thornlie's 40-70 year old roof systems back to full performance - addressing decades of mortar deterioration, canopy moss, and thermal fatigue - backed by a 15-year Dulux manufacturer warranty on materials.
Recent Roof Work in Thornlie
A sample of real jobs from our records in Thornlie.
Full roof restoration
338 m² · Centurion · Charcoal · 2020
Roof repointing
326 m² · Centurion · Charcoal · 2022
Benefits of Metal Roof Restoration for Thornlie Properties
Brings faded Colorbond back
Colorbond chalks and fades after years of Perth sun. A proper restoration strips off the chalking and dirt, primes the surface, and recoats it so it looks new again, for far less than re-sheeting.
Protects the surface, not just paint
A fresh primer and Acratex topcoat seal the cleaned surface against Perth's UV and weather, so the colour holds instead of chalking away. Clean and repaint only, we don't do rust remediation or sheet repairs.
Dulux Acratex, 15-year warranty
We're accredited applicators and use the metal-roof Acratex system, which carries a 15-year manufacturer warranty when applied properly. We apply it properly.
Cheaper than replacement
If the sheets are sound and it's just faded and chalking, restoration costs a fraction of a full re-roof and adds years to the roof's life.
Our Metal Roof Restoration Process in Thornlie
- 1
Inspect and quote
We check that the sheets are sound and the coating's just faded, then give you a fixed price and tell you honestly if it's restorable or past it.
Why it matters: A recoat only makes sense if the steel underneath is sound.
- 2
High-pressure clean
High-pressure clean to strip chalking, dirt and surface oxidation back to a sound, paintable surface.
Why it matters: Coatings only bond to clean, sound metal.
- 3
Prime
A metal-grade primer goes down across the cleaned roof to key the topcoat to the steel.
Why it matters: The primer is what makes the coating last.
- 4
Topcoat
Two coats of the Acratex metal membrane in your chosen colour, applied to spec for an even, durable finish.
Why it matters: Full film thickness is what the warranty depends on.
Metal Roof Restoration in Thornlie - FAQs
Do you provide metal roof restoration in Thornlie? ▾
Yes. Roof Restorers Perth provides metal roof restoration across Thornlie and nearby Sorrento, Applecross, Port Kennedy. Roof restoration in Thornlie for ageing homes established from the late 1950s through the 1980s, including repointing and tile renewal. Dulux Acratex accredited, 15 year warranty. Free quotes. Call 6388 4492 for a free, no-obligation quote.
Why does my metal roof have brown stains? ▾
Tannin from eucalyptus and jacaranda trees. It stains Colorbond and Zincalume both. Cleaning gets most of it off, but new growth appears after a few years under the canopy. It's appearance mostly, not structural.
Do metal roofs last longer than tiles in Thornlie? ▾
They can. Metal doesn't degrade the way mortar does. But fasteners loosen from heat cycling and rust from moisture, so they need attention. Cleaned and sealed well, a metal roof goes 20 to 25 years.
Can a faded Colorbond roof be restored? ▾
Yes. Faded, chalking Colorbond is one of the most common metal-roof jobs in Perth. We clean it back, prime it, and recoat it with Dulux Acratex so it looks new, without the cost of re-sheeting.
How much does metal roof restoration cost in Perth? ▾
It depends on the roof's size, pitch, condition, and access. Call 08 6388 4492 or request a quote for a fixed price. It's well below the cost of replacing the roof when the sheets are still sound.
What if my metal roof has rust? ▾
Our metal service is a clean and repaint for sound, faded Colorbond, we don't do rust remediation or sheet repairs. If the sheets have rusted through in places, a recoat won't fix that, they need replacing, and we'll tell you straight if that's the case.
How long does it last? ▾
A properly applied Acratex metal system carries a 15-year manufacturer warranty and typically lasts beyond it.
Is restoration better than replacing the roof? ▾
If the sheets are structurally sound and it's just faded and chalking, restoration is the cheaper, sensible option. If the steel's rusting through or failing, replacement makes more sense. We give you a straight assessment.
What Our Customers Say
"The guys did a great job with a competitive price"
"Ryan and Jack have done an amazing job on restoring numerous roofs for us. They worked very hard to finish the job on time, with minimal clean up. We are very happy with the job and would highly recommend to anyone. Thank you"
Get a Free Metal Roof Restoration Quote for Thornlie
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