It's incredibly frustrating to see new park benches defaced by graffiti. Fortunately, choosing the right protective finish can make cleanup quick and deter future vandalism. The best finishes create a hard, non-porous barrier that prevents paint from bonding deeply.
For maximum resistance, a two-part epoxy or aliphatic polyurethane topcoat is highly effective. These industrial-grade coatings provide a exceptionally smooth, durable surface. Spray paint sits on top, allowing for removal with a mild graffiti remover or even pressure washing without damaging the underlying finish.
Specifically designed anti-graffiti coatings are another excellent option. These are often "sacrificial," meaning you remove the graffiti and a thin layer of the coating together, then reapply a fresh coat to the spot. Other types are "permanent" or semi-permanent, creating a slick surface that allows for repeated cleaning.
For a more natural wood look, use a penetrating epoxy sealer first, followed by several coats of a UV-stable, clear polyurethane. This combo seals the wood grain and provides a protective, wipeable top layer.
The key is applying multiple coats to build a sufficient barrier. No finish is 100% immune, but a robust coating turns a major restoration project into a simple, 10-minute cleanup, saving time and money while keeping your park beautiful.