We are licensed roofing contractors here at Brisbane Roofing Co, and if there’s one question I get all the time, it’s this:

“What’s the difference between re-roofing and roof replacement?”

It’s a fair question—and if you’re staring up at your aging roof wondering what the next step is, let me walk you through it in plain English.

Re-Roofing: A Quick Fix That’s Not for Everyone

Re-roofing is when we install a brand-new layer of roofing material (usually metal or tiles) straight over your existing roof. No tearing anything off. No touching the underlying structure—unless there are obvious issues that can be addressed from above.

Think of it like throwing a brand-new blanket over your old doona. Looks good, works well (in the right situation), and it’s definitely faster and cheaper than a full replacement.

When is re-roofing suitable in Brisbane?

  • Your current roof only has one layer.

  • The structure underneath is still solid—no leaks, sagging or rot.

  • You’re looking for a cost-effective, quicker job.

Roof Replacement Brisbane: What You Need to Know Before Taking the Next Step

Pros of re-roofing:
✅ Lower cost
✅ Less mess and disruption
✅ Quick turnaround

But there’s a catch…
Re-roofing doesn’t give us access to the frame or decking underneath. If there’s hidden water damage, termite damage (which we do see a bit in Brisbane), or rusted-out battens, we might not spot it until it’s too late.

what does Brisbane Roofing Co do

Roof Replacement: The Full Overhaul

A roof replacement is just that—we strip off everything down to the rafters or battens and start fresh. That means we get to inspect and repair the underlying structure, install new sarking or insulation, and lay down a completely new roof.

This is the go-to option if your roof is seriously damaged, has structural issues, or is just at the end of its life (especially common with old tin or tile roofs around Brisbane’s older suburbs).

When is roof replacement the better choice?

  • You’ve got major leaks, sagging, rust, or broken tiles.

  • You want to switch from tile to metal (or vice versa).

  • You want long-term durability and warranty peace of mind.

Pros of roof replacement:
✅ We get to fix everything underneath
✅ You’re essentially getting a brand-new roof
✅ Longer lifespan and higher property value

Downsides?
❌ It’s more expensive upfront
❌ It takes longer and involves a bit more noise and mess

So, What’s Right for You?

If your roof is still structurally sound and you’re chasing a budget-friendly refresh, re-roofing might do the trick. But if there are signs of deeper damage—or you want to future-proof your home—a full roof replacement is your safest bet.

Here in Brisbane, we also factor in things like heat, storm season, humidity, and even the slope of your roof. It’s not always a one-size-fits-all answer, which is why we always recommend a proper roof inspection before deciding.


Need a hand figuring it out? Give us a shout at Brisbane Roofing Co—we’re locals, we know Brisbane roofs inside and out, and we’ll always give you an honest assessment.

For more info or to book a free inspection, visit our website:
👉 www.brisbaneroofingco.com.au