Roof Repairs
Concrete Tile Roof Repairs in Sydney
Practical repairs for Sydney's most common roof tile, from cracks to worn coatings.
Concrete tiles cover a huge share of Sydney's homes, especially those built from the 1960s onward. They're strong and affordable, but they behave differently to terracotta and slate, they get more porous as their surface coating wears off, and they're heavy, which puts real demands on the roof structure. Our concrete tile repairs deal with cracked tiles, worn coatings and the pointing that ties the ridges together.
Cracked and porous concrete tiles
Concrete tiles crack from foot traffic, storm debris and age, and once cracked they wick water into the roof space. Older concrete tiles also lose their factory surface coating and become porous, soaking up water, growing moss and gradually deteriorating. We replace cracked tiles and can advise whether a roof is a candidate for cleaning and recoating or is better off with more extensive repair.
Faded and worn surface coatings
The colour on a concrete tile comes from a surface coating, not through the whole tile, so as it wears the tiles go grey, patchy and porous. That's cosmetic to a point, but a worn, porous tile also holds moisture and moss that shortens its life. Where the tiles are structurally sound, cleaning and recoating restores both weather resistance and appearance, and we'll tell you when that's worth doing.
Weight, battens and ridge pointing
Concrete tiles are heavier than terracotta or metal, so the battens and structure underneath matter. When we're repairing tiles we check the battens for rot or sagging, particularly on older roofs. We also re-bed and re-point ridge and hip capping, since the mortar bedding fails on concrete tile roofs just as it does on any tiled roof.
What's Included
- Replacement of cracked, chipped and porous concrete tiles
- Matching tile profile and colour to your existing roof where possible
- Assessment of battens for rot and sagging during repairs
- Re-bedding and re-pointing of ridge and hip capping
- Advice on cleaning and recoating worn, faded tiles
- Clearing valleys and gutters of tile grit and moss build-up
Frequently Asked Questions
My concrete tiles have gone grey and rough. Is that a problem?
It means the surface coating has worn off and the tiles are becoming porous, holding water and moss. It's not an emergency, but it shortens tile life over time. If the tiles are otherwise sound, cleaning and recoating restores weather resistance and looks. We'll assess whether that's worthwhile for your roof.
Are concrete tiles heavier than other roofing?
Yes, noticeably heavier than terracotta and much heavier than metal. That's why the battens and roof structure need checking during repairs, especially on older homes. It also matters if you're ever considering switching roofing types, since a lighter material changes the loads on the structure.
Can you match my concrete roof tiles?
Concrete tile profiles and colours are widely available and easier to match than old terracotta, though colours fade so a brand-new tile can look brighter than your aged roof. We match the profile and closest colour, and position replacements sensibly so they blend in as the new tile weathers.
How often do concrete tile roofs need repointing?
The bedding and pointing on ridges typically needs attention every 15 to 20 years, sometimes sooner on exposed roofs. If you're seeing cracked mortar, loose capping or bits of pointing in the gutter, it's due. We can check it as part of any repair or inspection visit.
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