Roof painting Sydney: preparation first, then the colour

What roof painting actually involves (done properly)

Roof painting that lasts is a system, not a coat, and the sequence matters. Our painters go up first with the pressure washer, stripping every tile back to a clean, sound surface: gunk, moss, lichen and chalking all gone. Then our licensed roofers do the roof work on that clean surface: cracked tile replacement, ridge capping rebedding, and repointing with proper weep holes. That fresh pointing then needs to dry before any paint goes near it, so the painters come back on a later day for primer and a minimum two to three coats of membrane. Wash, point, dry, paint: it makes a properly done roof a 2 to 3 day job at best. Anyone quoting wash, repoint and paint in a single day is either skipping the roof work or painting over wet pointing, which is why the cheap quotes are cheap.

Why repointing is not a painter's job

Here's the part of roof painting nobody puts in their ads: if the ridge or barge capping needs repointing, and on most Sydney roofs due for painting, it does, that is licensed roofing work, not painting work. Repointing done properly means assessing the bedding underneath, rebedding where it has failed, and applying flexible pointing in controlled beads that seal and hold the capping. Done by someone who doesn't know the trade, it means compound smeared over the top of failed bedding: it looks "done" from the street for a season, then cracks, lifts and lets water straight into the roof. Here's a detail that separates the trades: properly finished ridge pointing includes weep holes. Small breather gaps that let moisture escape from under the capping. Seal a ridge airtight, the way it looks "neatest," and condensation and wind-driven water have nowhere to go: the ridge leaks from the inside. Roofers know this. Painters, almost universally, don't.

The photos below were supplied to us from a job where a roof painter attempted the repointing themselves. To be clear: this is not our work. It's a real example of what we're regularly called out to strip back and redo.

Smeared, not pointed. Compound troweled over the capping edge instead of applied in a sealed bead: this is a painter guessing at a roofer's trade.

Holes straight through. Gaps and voids left in the pointing: every one of these is a water entry point waiting for the next storm.

Already failing. Cracking and lifting across the run: this will need to be stripped and redone properly, which costs more than doing it right once.

This is why our painting crew is actually two trades. Our licensed roofers do the roof work first, repairs, ridge capping rebedding and repointing with proper weep holes, and then our qualified painters, who just paint, put the membrane over sound work. Each trade does its own job. If a painting quote doesn't itemise the pointing, ask who's doing it and what licence they hold. You can verify any NSW contractor licence free at verify.licence.nsw.gov.au.

How much does roof painting cost in Sydney?

For a typical Sydney home, professional roof painting lands between $3,500 and $9,000 depending on roof size, pitch, access and how much repair and repointing the preparation stage needs. As a guide: a single-storey 3-bed with a sound roof sits toward the lower half; two-storey homes, steep pitches and roofs needing rebedding push toward the top. A full roof restoration, painting plus the complete repair, rebed and repoint package, typically runs $4,000 to $12,000 and is the better buy when the roof needs more than cosmetics.

Every job is quoted fixed and in writing after a free inspection with photos: the price quoted is the price paid.

Painting vs restoration vs replacement, which do you need?

If your roof is structurally sound and the tiles are just faded or chalky, painting is the right-sized job. If bedding has cracked, tiles have gone porous or valleys are rusting, painting over it wastes money: that roof needs restoration first. And if tiles are delaminating across the roof, no coating saves it: see our honest roof replacement framework. The free inspection tells you which of the three you actually have, with photos.

Colorbond and metal roof painting

Faded or chalking Colorbond and metal roofs repaint well with the right preparation: wash-down, rust treatment on screws and sheet edges, etch primer, then roof-grade membrane. It is a fraction of re-roofing cost and buys years, but rust that has perforated sheets needs metal roof repairs before any paint goes on.

Colours and finish

Modern roof membranes come in the full contemporary range: charcoals, greys, Colorbond-matched tones and heat-reflective formulations that measurably drop summer roof-space temperatures. We bring colour cards to the inspection.

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Roof painting Sydney: FAQs

Related: roof restoration Sydney · roof replacement · metal roof repairs · tile roof repairs