Chimney Flashing & Leak Repair in Melbourne — Stop the Water.

Where the Chimney Meets the Roof

Flashing is the metal seal where your chimney passes through the roof. When it lifts, rusts or the sealant perishes, rain runs straight into the roof cavity — showing up as ceiling stains, damp on the chimney breast, or a musty smell long before you see a drip. FreshDuct traces the leak and repairs or replaces the flashing to stop it.

Not every chimney leak is flashing, though. Water also enters through a cracked crown, a missing cap, or porous, unsealed brickwork — so we check all the likely paths rather than assuming.

Because the damage is often hidden in the roof cavity, the photo report we provide is genuinely useful — you can see the failure point and the finished repair.

What Flashing Repair Covers

A proper leak repair, not a smear of silicone:

If the leak is coming from the crown or porous masonry rather than the flashing, we’ll fix that instead — the goal is a dry chimney, not a patched symptom.

Water Damage Compounds Fast

A chimney leak rarely stays a chimney problem. The water that enters rots roof timbers, stains and sags plaster, feeds mould, and soaks into masonry where it freezes and cracks the structure over winter. Catching it early keeps a small repair small.

It’s also one of the more deceptive faults — the stain on your ceiling can be metres from where the water actually enters. That’s why we diagnose properly before repairing.

Storm-related flashing damage may be covered by home insurance; our insurance claims guide explains how documented photos support a claim.

Why Tracing the Leak Matters More Than Sealing It

Flashing is a layered system, not a single piece: step flashing tucked into the brick joints, apron flashing at the front, and counter-flashing over the top, all working together to shed water away from the join. A failure in any one layer lets water past.

The tricky part is that water rarely appears where it enters. It runs along rafters and battens before it drips, so a ceiling stain a metre from the chimney can still be a chimney leak. Sealing the nearest visible gap often misses the real entry point entirely.

That’s why we trace the leak properly — checking the flashing, the crown, the cap and the surrounding brickwork — rather than reaching for the silicone. A leak fixed at the source stays fixed; a leak patched at the symptom comes back.

Once we’ve found and repaired the failure, we confirm the join is watertight and document it with photos. If the damage was storm-related, those photos also support a home-insurance claim.