Honestly, for an easy-clean park bench that handles bird droppings and coffee spills, I’d skip wood and go straight for a powder-coated aluminum bench with open slats. It has a smooth, sealed surface that bird poop and coffee can’t soak into, and you can usually clean it with a quick spray of water or a damp cloth. Aluminum also won’t rust if the finish gets scratched, which is a big plus outdoors.
My second pick is a recycled plastic park bench, the kind made from dense poly lumber like Polywood or Trex-style boards. These are basically non-porous. Coffee spills, bird droppings, and even greasy stains just sit on the surface. You can scrub them with soapy water or a mild bleach solution without worrying about damage. They don’t need painting, staining, or sealing, and they won’t splinter.
Thermoplastic-coated steel benches are also worth a look. The steel core gives strength, and the thick plastic coating creates a wipeable shell. Look for models with smooth welded joints and minimal decorative scrollwork, because crevices are where messes hide and get gross.
If you want specific brands, DuMor and Belson Outdoors make solid recycled plastic and coated steel benches. Maglin and Landscape Forms have good powder-coated aluminum options for parks and public spaces. For a budget-friendly version, search big-box stores for “all-weather poly lumber bench” or “powder-coated aluminum park bench.”
Cleaning tip: bird droppings are acidic, so rinse them off sooner rather than later even on easy-clean materials. Keep a spray bottle with diluted dish soap or white vinegar nearby. For dried coffee, let the water sit for 10–15 seconds before wiping. Avoid abrasive scrubbers on powder-coated aluminum because they can dull the finish.