An outdoor rocker lives a hard life. It sits in UV all summer, takes rain, and near a coast it breathes salt air every night. The two ways it fails are predictable: the steel frame rusts at the welds and fasteners, and the sling fabric fades and goes brittle. Both failures are designed out at the quote stage — or they are not. Here is what actually decides whether your outdoor rocker survives its second season.
The frame: powder coat is only as good as its salt-spray hours
Most outdoor rocker frames are powder-coated steel or aluminium. "Powder coated" on its own tells you almost nothing — a thin or badly prepped coat rusts as fast as bare metal once a chip lets water in. The number that means something is the salt-spray test. Under ASTM B117 (or its ISO 9227 equivalent), the coated frame sits in a salt-fog chamber and you count the hours before red rust appears. The working benchmarks are clear across the trade: aim for 500+ hours for a residential patio chair, and 1,000+ hours for anything going to a coastal or commercial setting. We can build to either, and we will tell you which your market needs rather than quietly shipping the cheaper coat.
Steel versus aluminium is the frame's own trade-off. Steel is stronger and cheaper and rocks with a reassuring weight, but it relies entirely on the coating to stay rust-free, so the salt-spray spec is non-negotiable. Aluminium will not rust the way steel does, costs more, and feels lighter — sometimes too light for a rocker, where a bit of mass is part of the comfort. For most retail outdoor rockers we build powder-coated steel and put the budget into coating hours; for hard coastal programs aluminium starts to earn its premium.
The sling: Textilene needs a UV number, not a promise
If the seat is a sling, the material is usually Textilene-type PVC-coated polyester. Its job is to take a person's weight while sitting in full sun for years. The spec that proves it is UV weathering — a Xenon-arc test (ASTM G155 and similar) that ages the fabric under controlled light and measures how much strength and colour it keeps. A cheap sling looks identical on day one and is chalky and weak by the end of summer two. Ask for the weathering data, not the adjective. We hold our outdoor leisure and patio seating to UV-rated sling because a faded, sagging seat is the single most common outdoor return.
The honest trade-off
Weather resistance costs money up front, and the temptation in a price war is to cut the coating hours and the sling grade because neither shows in a showroom photo. We push back on that. The few cents saved per chair on a thinner coat come back as warranty claims, one-star reviews about rust, and a retailer who drops the line. For a chair that will sit outside for years, the durable build is the cheaper build over its life — we would rather you spend it on hours in the salt chamber than on replacements.
How we set it on your order
We build outdoor rockers and leisure chairs to the relevant strength standards, and salt-spray and UV-weathering reports can be arranged per order through an accredited lab. Tell us the destination — inland patio or coastal — and we set the coating hours and sling grade from the first sample. If the same program also goes to the US retail channel, line it up with the paperwork in our GCC and CPC note, and think about how it packs in our piece on container loading.
Send your outdoor program and its market through the contact form or to mail@ajdk.net, and our OEM team will quote the build levels with the test hours attached so you can see exactly what you are paying for.