Great question—and the short answer is: most park benches are not treated specifically for fire resistance, even when they are placed near BBQ areas.
Park bench materials make a bigger difference than surface treatments. In most parks, standard wooden and recycled-plastic benches are selected for outdoor durability, weather resistance, and low maintenance rather than active fire protection. So unless a local fire code or park district specification requires it, you should not assume the bench has a fire-retardant treatment just because it is near a barbecue.
That said, there are some important exceptions and practical design choices.
First, many BBQ-area park benches are simply made from materials that are naturally less likely to catch fire. Powder-coated steel, aluminum, wrought iron, and concrete are common in high-heat zones because they do not burn. Some parks use dense hardwoods like jarrah or ironbark, which are not fireproof but are more difficult to ignite than softwoods. Recycled plastic benches are often marketed as low-maintenance, but they can soften or melt under intense heat, so they are not automatically fire-resistant.
Second, treated park benches do exist. Some wooden benches can be pressure-treated with fire retardants, but this is more common in indoor commercial settings or areas with strict wildfire codes than in everyday park furniture. Outdoor fire-retardant treatments also face a challenge: rain, UV exposure, and cleaning can gradually reduce their effectiveness. That is why you will rarely see a label saying “fire-resistant bench” in a public park.
Third, placement matters as much as the bench itself. Many park planners reduce risk by keeping benches at a safe distance from grills, placing BBQs on concrete pads, and using non-combustible tables or seat bases nearby. So even if the bench is not treated, the layout may still meet fire safety requirements.
For outdoor furniture fire safety, the best move is to check with the local parks department or property owner. Ask whether the bench material is non-combustible, whether any fire-retardant coating has been applied, and what clearance is recommended from open flames. If you are buying fire-resistant park benches for a BBQ area, choose steel, aluminum, concrete, or a dense fire-rated timber product, and keep a sensible distance between seating and heat sources.
In short: do not assume a standard park bench is fire-resistant just because it is near a BBQ. Most are not treated for fire resistance, but many are positioned or made from materials that reduce the risk.