How Long Do Gutter Guards Last on a Queensland Roof?

Nobody can give you an honest number for your roof. Even the ACCC (opens in a new tab), Australia's consumer watchdog, says “There are no set rules for deciding whether a product is of acceptable quality, or how long a product should last for.” What you can do is look at the things that wear a guard down, and pick one that suits your spot.

We look at four things. What the guard's made of. How well it was fitted. Where your house sits, from full sun to a sea breeze. And how it's looked after.

Owner reports give a rough feel, nothing more. On a CHOICE Community thread (opens in a new tab), one owner said their fine metal mesh had been on for at least a decade, and “has been great.” Another had a plastic guard on two homes “for over 18 years with no problems.” Those are single homes, so don't read them as a rule.

It can, and the closer you are to the surf, the harder it gets. Salt holds water on metal, and wet metal is where corrosion starts. For its roofing steel, BlueScope (opens in a new tab) classes areas “typically 100 to 200 metres from breaking surf” as severe marine. Anything “typically within 100 metres from breaking surf” is very severe.

ASSDA (opens in a new tab), the stainless steel industry body, explains why. “Sea salt has the characteristic of staying wet until a very low relative humidity”. So a salty surface stays damp longer than a clean one.

Distance isn't the whole story. BlueScope says performance also depends on “prevailing winds, and presence of unwashed areas.” ASSDA says tea staining on stainless steel is most common within about five kilometres of the surf. In windy spots, it can turn up 20 kilometres or more inland. It's “much less severe around sheltered bays.” And ASSDA adds that the same factors speed up corrosion in other materials too.

So a home facing open surf cops more than one facing a sheltered bay. Sheltered isn't salt-free, though. ASSDA says tea staining is most likely up to “one kilometre from still marine waters.” In the Redlands, sea breezes carry salt onto the roof, so bayside homes still need the right metal.

That's why every part we fit is aluminium, from the mesh to the clips, trims and screws, so there's no steel to rust in the salt air. Our proprietary coating carries its own 10-year guarantee against fading. Read how we work near the beach on the Gold Coast, and on the Sunshine Coast.

Keep leaves and salt from sitting on it, and check it from the ground. Wet leaf mulch holds salt against metal, and that speeds up rust. BlueScope's care advice for its painted steel (opens in a new tab) says to hose spots rain doesn't wash “at least every six months and more frequently in coastal areas where marine salt spray is prevalent.”

It names “the underside of eave gutters” as one of those spots. BlueScope wrote that for its painted steel, not for gutter guard, so take it as a guide. Our own view is simple: don't let wet leaves sit in the gutter, because they hold salt against the metal.

After a big storm, have a look from the yard. Is the guard sitting flat? Are leaves piling up in the valleys? Is any edge lifting? If something looks off, call your installer.

Leave the climbing to someone with the right gear. The Queensland Government (opens in a new tab) says “Over 1,000 Queenslanders are hospitalised each year after falling off ladders and most of these injuries happen around the home.” Hosing from the ground is fine. Here's why ladder work is riskier than it looks, especially on a second storey.

No. A guarantee term is how long the business promises to fix what it covers. It isn't a promise the guard will last that long, or stop at that age. The ACCC says warranties (opens in a new tab) “are extra promises that a business makes about the quality of a product or how it will fix any problems with a product or service.”

Your rights don't end with the warranty, either. The ACCC says “After the warranty expires, the consumer guarantee of acceptable quality usually still applies.” It also notes that a warranty's terms “may require the consumer to do certain things in order to keep the warranty.” So read the terms before you sign, whoever you buy from.

Here's what comes with every install from us, all four in writing. A 25-year full system guarantee on the mesh, clips, trims, screws, every component. A 20-year workmanship guarantee on the installation itself, from the day we fit it. A 10-year no blocked gutter guarantee. And a 10-year coating guarantee against fading.

None of those numbers is an age limit for your gutters. Our guarantees page has the full terms, and we'll go through them with you at the free on-site quote.

Ask what it's made of, all the way down to the screws. Ask how it's fixed to your roof. Ask what the guarantee covers, for how long, and whether it's in writing. Near the coast, ask about the fixings twice, because two different metals touching can corrode where they meet.

BlueScope's bulletin on mixed metals (opens in a new tab) says that kind of corrosion only happens while the join is wet. Salt on the surface makes it worse. That's a bigger deal by the sea.

Weighing up a finer mesh? We've compared micro mesh with aluminium mesh, and here's how to pick a gutter guard mesh size. Thinking of fitting a kit yourself? See how DIY compares with a professional install. Still not sure you need guard at all? Read whether gutter guards are worth it, downsides included.

We've been family-owned for over 25 years and fit aluminium gutter guard across Brisbane, the Sunshine Coast and the Gold Coast. Every install includes a free gutter clean, and the quote is free.