Slate Roof Cleaning Sydney

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Damaged Slate Roof Needs To Be Restored

Your Roof, Restored to Greatness

Cleaning A Slate Roof Preserves The Roof

Slate Roof Restorations cleans slate and tile roofs across Sydney using methods built for slate.
Lichen, moss, leaf debris and grime build up on every slate roof over time, and left alone, that buildup traps moisture, works its way into the joints between tiles, and turns into the kind of damage that leads to a full restoration. A proper clean stops that before it starts, and it’s often the only thing an older slate roof actually needs.

What’s Involved in a Slate Roof Clean

  • A manual inspection to check for cracked, slipped or loose slates before we start
  • Hand removal of moss, lichen and debris, using tools that won’t chip or disturb the tiles
  • Soft washing with slate-safe, biodegradable treatments where needed, always by hand, not pressure equipment
  • Gutter cleaning, to clear blockages and stop water backing up under the tiles
  • Access by roof ladder designed for slate, so no one stands directly on the tiles
  • An optional written report noting any damage or areas worth watching

How Often Does a Slate Roof Need Cleaning?

Most Sydney slate roofs benefit from a clean every five to seven years, though homes near bushland, leafy streets or the coast tend to need it more often, since moss and salt-laden wind both speed up buildup.
If you can see moss in the valleys or gutters, or the roof looks noticeably darker and duller than it used to, it’s worth having a look.

Need A Slate Roofing Expert?

Experience expert craftsmanship backed by 30+ years of industry knowledge.
Whether it’s a new installation or a full restoration, we deliver quality that lasts.

CalL 0431 593 625 Get A Free Quote

Built for the Long Run

Why Lichen and Moss Are Worse Than They Look

Lichen and moss on a slate roof aren’t just a cosmetic problem. They hold moisture against the tile surface and grow roots into the joints between slates. Over time, that separates tiles, lifts edges, and lets water sneak underneath: the kind of slow, hidden damage that doesn’t show up until there’s a leak inside the house. Regular cleaning catches this early, before it turns into repair work.

Cleaning vs Restoration: What’s the Difference?

Cleaning is often the first step in a full slate roof restoration, but the two aren’t the same thing, and a clean doesn’t commit you to anything bigger. If the roof underneath is otherwise sound, a clean on its own brings back the colour and detail of the tiles and can put off bigger work for years.

If we find cracked slates, failing flashing or other damage while we’re up there, we’ll tell you. It’s the easiest time to deal with it, before it spreads.

What Happens If You Don’t Clean A Slate Roof?

If lichen and moss are left to sit for years. Once moss roots work into the joints between tiles, tiles start to lift and separate, gutters and valleys silt up with debris, and water finds its way under the roofline instead of running off it.

At that point you’re not looking at a clean anymore, you’re looking at repairs to flashing, battens, or individual slates, and sometimes a full restoration.
Regular cleaning is the cheapest way to protect a slate roof that’s already lasted decades, and to keep it lasting decades more.

Why Homeowners Trust Us With Their Slate Roof

  • Focused solely on slate, tile and heritage roofing, not general roof cleaning
  • Hand-cleaning and soft-washing methods built around what protects the tile surface
  • Over 30 years combined experience reading what a slate roof actually needs
  • NSW Fair Trading licensed (459374C) and fully insured
  • The same team that cleans your roof can assess it, so nothing gets missed between the two

Our Process

Simple. Fast. Done.

We follow a clear, step-by-step process to ensure every project runs smoothly from the initial quote to the final inspection. Our team keeps you informed at every stage for a stress-free experience.

0431 593 625 Get A Quote
  • Avalon
  • Balmain
  • Bellevue Hill
  • Cremorne
  • Darlinghurst
  • Double Bay
  • Drummoyne
  • Glebe
  • Hunters Hill
  • Manly
  • Mona Vale
  • Mosman
  • Neutral Bay
  • Newport
  • Northbridge
  • Paddington
  • Rose Bay
  • Vaucluse

1

Get in Touch

Call 0431 593 625 or Request A Quote online.
We’ll respond quickly to organise an inspection or gather more info about your needs.

2

Transparent Quote

No hidden fees—just a clear, fixed-price quote.
We’ll assess the job and provide honest pricing you can approve on the spot.

3

Fast & Reliable Service

Our expert team works efficiently & respectfully.
We start on time, finish on time, and leave your property clean and secure.

Built on Trust

Your Slate Roofing Experts

Expert Slate Roofers

We bring decades of experience in slate roof repairs and installs.

Skilled Craft

All work is done with care, precision, and lasting materials.

Sydney Coverage

We serve homes and businesses across the Sydney region.

Licensed & Insured

Fully certified and insured for your peace of mind.

Custom Solutions

Tailored roofing options to suit your needs and budget.

Fixed Pricing

No hidden fees—just honest, upfront quotes every time.

Need A Slate Roofing Expert?

Experience expert craftsmanship backed by 30+ years of industry knowledge.
Whether it’s a new installation or a full restoration, we deliver quality that lasts.

CalL 0431 593 625 Get A Free Quote

See Our Work

Roofing Projects We’re Proud Of

Our Testimonials

Trusted by Sydney Property Owners

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RanchLife RMV profile picture
RanchLife RMV
30 April 2025
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Slate Roof Restorations did an amazing job repairing our old heritage slate roof. Their attention to detail and commitment to quality is unmatched. If you need re-roofs or restorations in Mosman, this is the company to call.
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Greg Woodley profile picture
Greg Woodley
15 March 2025
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Very happy with Oliver's crew in replacing our entire pool cabana timber shingles in a tricky position.
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John Augustus profile picture
John Augustus
15 March 2025
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Unreservedly recommend, and I'm a hard marker. SRR completely restored our heritage listed house's slate roof in a heritage listed street in Woollahra with a level of professionalism and civility rarely seen these days, not to mention the very competitive costings -- proud owner of the best roof in the street.
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Anita van der Meer profile picture
Anita van der Meer
13 March 2025
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It was a pleasure to have the Slate Roof Restorations team re-slate our federation home on Sydney's north shore. Professional, consultative, communicative and perfect clean-up after the job. The roof looks spectacular and our prior issues with water leaks and possums have completely been addressed. Cannot recommend them highly enough.
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Daniel Bevins profile picture
Daniel Bevins
13 March 2025
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A real craftsperson who cares about the work and client. Five stars.
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Anna Bell profile picture
Anna Bell
13 March 2025
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What's beautiful and watertight? Oliver's repairs of our hundred-year-old roof.
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Luke Dalton profile picture
Luke Dalton
13 March 2025
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This was my first time using Slate Roof Restorations, and I can confidently say it won’t be the last! With over 20 years in the building industry, I know a top-quality company when I see one. They were efficient, competitively priced, and left the site spotless. Most importantly, their communication was outstanding—a crucial factor for me and my building company. Highly recommend. Thank you!
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Susan Chisholm profile picture
Susan Chisholm
13 March 2025
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We had a few Sydney-based slate companies to repair the slate roof after storm damage, with not a great outcome, including cracked slates remaining and several leaks through, inferior workmanship.. I then called Oliver Stearman at Slate Roof Restorations who was able to fix all problems, including the water leaks and secure the roof, without over- promising and under-delivering, which was a constant with the previous companies. I couldn't recommend Slate Roof Restorations more highly. The quality of their work is outstanding. Their professionalism and dedication to their craft is unmatched
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Michael McDonald profile picture
Michael McDonald
13 March 2025
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Oliver and his team did an excellent job on our aging and damaged slate roof, and returned multiple times to ensure it was 100% right. I have no hesitation in recommending their services - thank you so much
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We’re Here to Help

Slate Roof Cleaning FAQs

Have questions about our roofing services or process? Find clear answers to some of the most common inquiries below.

High-pressure washing can crack, dislodge or flood older slate tiles, so it’s not something we use as a default method. We hand-clean and soft-wash instead, with tools and techniques suited to slate, so the surface and the joints between tiles stay intact.

Only with care, and rarely directly on older slate. We use roof ladders and rope-based access systems designed for slate roofs, so weight is spread properly and individual tiles aren’t put under stress.

Not necessarily. If the roof is otherwise in good condition, a clean on its own is often enough to bring back the look of the tiles. If we do find damage while cleaning, we’ll flag it, but that’s a separate conversation and your decision to make.

If the roof is discoloured with moss or lichen but the slates themselves are sound, cleaning is usually all it needs. If there are cracked or slipped tiles, failing flashing, or signs of a leak, it’s worth a proper assessment first. We can tell you which one you’re looking at.

Enquire Today!

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