How To Clean Outdoor Furniture?
QUICK ANSWER
Spray off loose debris with a hose. Scrub with warm soapy water (1/4 cup mild dish soap per gallon). For mildew, add 1 cup bleach per gallon. Rinse thoroughly. Match cleaning method to material: metal, wood, plastic, wicker, and mesh each need different specific approaches.
Outdoor furniture takes constant abuse from sun, rain, pollen, and biological growth. Annual cleaning (or twice yearly in heavy-use areas) restores appearance and extends lifespan significantly. The cleaning approach depends on material: aluminum needs different treatment than wood, which needs different treatment than plastic. Here is the right approach for each common outdoor furniture material plus how to maintain results.
What is your furniture made of?
Common outdoor furniture materials. Aluminum (powder-coated or anodized): rust-proof; durable; the most common modern material; easy to clean. Steel (wrought iron, tubular steel): more prone to rust; needs protective coating maintained; usually painted. Wood (teak, cedar, eucalyptus, pine): natural look; needs sealing or oiling depending on type; weathers gray without treatment. Plastic and resin: most durable in weather; cheapest typically; UV degrades cheaper plastics. Wicker (real or synthetic resin): synthetic resin wicker is durable; natural wicker not for outdoor use long-term. Mesh fabric (sling-style chairs): washable; quick-drying. Cushion fabrics: usually polyester or olefin; weather-resistant but still need cleaning. Identify materials first to choose the right cleaning method.
How do you clean metal furniture?
For aluminum and stainless steel: spray off debris with a hose; scrub with 1/4 cup dish soap per gallon warm water and a soft brush; rinse and dry. For wrought iron with rust: sand spots with sandpaper or wire brush; apply rust converter (Ospho); repaint with rust-inhibiting paint (Rust-Oleum Stops Rust). For powder-coated furniture: avoid abrasive cleaners which scratch the protective coating. Apply automotive wax annually.
How do you clean wood and other materials?
Wood furniture: clean gently with mild soapy water and a soft brush. For weathered gray wood: sand lightly with fine sandpaper to remove gray patina; refinish with wood-specific oil (teak oil for teak, marine spar varnish for harder protection, deck stain for harder wood). For deeper cleaning: use a wood cleaner (Cabot Problem Solver Wood Cleaner, Olympic Premium Wood Cleaner). Plastic and resin: easiest material; warm soapy water and a sponge work for most cleaning; for stubborn stains use a Magic Eraser; for severe yellowing on white plastic, oxygen bleach (OxiClean) solution helps. Synthetic wicker: warm soapy water and a soft brush; reach into the woven texture; rinse and air dry. Mesh fabric chairs: scrub with soapy water; rinse with hose; air dry.
How do you handle mildew and stubborn stains?
Outdoor furniture in shaded or humid areas develops mildew. Mildew solution: 1 cup bleach + 1/4 cup dish soap per gallon water; apply, dwell 10 minutes, scrub, rinse. For severe growth, OxiClean Versatile paste applied for 30 minutes. Bird droppings: warm soapy water with extra dwell time. Pollen yellowing: dish soap and warm water; vinegar for stubborn pollen. Tree sap: rubbing alcohol (test first on plastic). For severe staining, repaint metal or refinish wood.
Outdoor furniture cleaning is straightforward when matched to materials. Most materials clean with soapy water; mildew needs bleach solution; specific materials need targeted treatments. Annual cleaning at the start of the outdoor season prevents the deep buildup that's harder to clean. Apply protective treatments (wax on metal, oil on wood, fabric protector on cushions) after cleaning to extend results. For furniture stored outdoors year-round, semi-annual cleaning is appropriate. Quality outdoor furniture lasts 15 to 25+ years with proper care; neglected furniture fails much sooner.
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