How to Care for Outsunny Garden Furniture: The Complete UK Guide

Outsunny garden furniture is built to last — but like any outdoor investment, it rewards a little care. The good news is that most Outsunny pieces are genuinely low maintenance. PE synthetic rattan doesn't rust, fade, or rot the way natural materials do. Powder-coated frames shrug off rain. Cushion covers unzip and go in the washing machine. A few simple habits, done consistently, will keep your set looking as good in year five as it did on day one.

This guide covers everything — routine cleaning, seasonal care, material-specific tips, winter storage, and how to rejuvenate older pieces. It's written specifically for Outsunny furniture, not generic outdoor furniture advice.

Understanding Your Outsunny Furniture Materials

Most Outsunny outdoor furniture uses one of three material combinations. Knowing which you have determines how you care for it.

PE synthetic rattan over a steel frame — the most common Outsunny configuration. The rattan itself is highly weather-resistant and requires minimal care. The steel frame is powder-coated for rust resistance but benefits from being covered or stored in winter, particularly in coastal areas where salt air accelerates corrosion.

PE synthetic rattan over an aluminium frame — found in Outsunny's higher-end sets. Aluminium is fully rust-proof, making this the most weather-resistant option. Can be left outside year-round with confidence.

Powder-coated steel or aluminium without rattan — used in Outsunny's dining chairs, bistro sets, and some sun loungers. Clean with soapy water; check annually for chips in the coating on steel pieces.

Browse the full Outsunny garden furniture range at Opal Retail.

Routine Cleaning

For PE rattan, routine cleaning is straightforward. Mix a small amount of washing-up liquid with warm water. Use a soft brush — an old toothbrush works well for getting into the weave — and scrub gently. Rinse with clean water from a watering can or hose on a gentle setting. Avoid pressure washers, which can force water into the weave and damage the underlying frame over time.

How often: a quick wipe-down every couple of weeks during the season, and a thorough clean at the start of spring and end of autumn. That's genuinely all most Outsunny sets need.

For glass tabletops: standard glass cleaner works fine. Dry with a microfibre cloth to avoid water marks.

For metal frames: wipe down with a damp cloth. If you notice any white residue on aluminium (oxidation), a mild solution of white vinegar and water removes it cleanly.

Seasonal Care: Spring to Winter

Spring — the season opener

Bring your furniture out of storage or remove covers. Give everything a thorough clean before use. Check all bolts and fixings — these can work loose over winter — and tighten where needed. Inspect cushions for any mildew if they were stored slightly damp; air them in the sun before use.

Summer — in-season maintenance

Wipe down regularly, especially after barbecues or parties. Move cushions inside or under cover if heavy rain is forecast — they'll dry out fine after a light shower but prolonged soaking shortens their life. If your set is in direct sun all day, a parasol or pergola will significantly reduce UV fading on both the rattan and cushion fabric.

Autumn — the wind-down

This is the most important maintenance window. Give the furniture a thorough clean while the weather is still mild enough to dry properly. Remove and store cushions — this single step makes the biggest difference to how your set looks the following year. Apply a furniture cover once the set is clean and dry.

Winter — protection or storage

PE rattan over aluminium can stay outside covered. PE rattan over steel should ideally be stored in a shed or garage, or at minimum kept under a well-fitted, breathable cover. Never use non-breathable plastic sheeting — it traps condensation and accelerates corrosion on steel frames.

Cushion Care

Outsunny cushions are one of the most replaceable and most neglected parts of any garden furniture set. Most covers are removable and machine washable at 30°C — check the care label on your specific set, but this is standard across the range.

Routine care: brush off loose dirt before it works into the fabric. Spot-clean stains promptly with a mild detergent solution — the longer a stain sits, the harder it is to remove.

Storage: always store cushions inside or in a weatherproof storage box when not in use. Even UV-resistant fabrics fade faster with prolonged sun exposure, and damp cushions left outside develop mildew quickly.

If cushions are already mildewed: mix one part white vinegar with two parts water, apply to the affected area, leave for 30 minutes, then scrub gently and rinse. Air dry fully in the sun before storing.

Frame Care: Aluminium vs Steel

Aluminium frames require almost no maintenance. They don't rust. Wipe down occasionally with a damp cloth. If oxidation appears (a white, chalky residue), clean with a mild vinegar solution and a soft cloth.

Steel frames are more robust but require more attention. Inspect annually for chips or scratches in the powder coating — these are the entry points for rust. Touch up any exposed metal with a matching outdoor paint or rust-inhibiting primer before rust takes hold. If rust has already started, remove it with fine-grit sandpaper, treat with a rust converter, then repaint.

Winter Storage

If you have the space, storing Outsunny furniture indoors over winter is the single best thing you can do for its longevity. A garage, shed or even a covered porch is sufficient — it doesn't need to be heated.

Winter storage checklist:

• Clean all surfaces thoroughly and allow to dry completely before storing
• Remove and store cushions separately — ideally in a bag or box to keep them dust-free
• Stack or fold chairs to save space
• Disassemble modular sets if storage space is limited
• For steel-framed pieces left outside, use a breathable furniture cover and check periodically for condensation build-up

Browse our garden storage range for weatherproof cushion boxes and storage solutions.

Rejuvenating Older Pieces

If your Outsunny set is a few years old and starting to look tired, there's usually more life in it than you think.

Faded rattan: PE rattan doesn't take paint well, but a deep clean often restores more colour than expected. If the rattan itself is structurally sound but looks dull, a UV-protective outdoor furniture spray can refresh the finish.

Worn cushions: replacement cushions are widely available and are the fastest way to transform an older set. Even if you can't find exact replacements, standard outdoor cushion sizes often fit Outsunny frames well.

Rusty steel frames: treat early. Sand back to bare metal, apply rust converter, prime, and repaint with a weather-resistant outdoor paint. A set with a refreshed frame and new cushions can look almost new.

Loose joints: tighten all bolts annually. If a joint is genuinely worn, most Outsunny sets use standard M6 or M8 bolts available from any hardware store.

Choosing the Right Cover

A good furniture cover is one of the best investments you can make alongside your Outsunny set. Key things to look for: a breathable fabric (not solid plastic), a snug fit with tie-down straps or drawstrings, and UV resistance on the outer face.

Measure your furniture before buying — covers that are too large pool water and trap condensation underneath, which is worse than no cover at all.

Browse our garden furniture covers at Opal Retail.

Further reading

• Outsunny Garden Furniture UK: The Complete Guide
• 5 Ways to Keep Your Outsunny Patio Furniture Looking New
• Keep Your Outsunny Garden Furniture Pristine Year-Round

Frequently asked questions

Can Outsunny rattan furniture be left outside all year in the UK?

PE rattan over an aluminium frame can be left outside year-round with a cover. PE rattan over a steel frame is better stored indoors or in a shed over winter — the rattan itself is fine, but the steel frame is vulnerable to rust if the powder coating is chipped and left exposed to prolonged damp.

How do I clean Outsunny PE rattan furniture?

Warm soapy water and a soft brush is all you need. Work the brush gently into the weave to remove trapped dirt, rinse with clean water, and allow to dry fully. Avoid pressure washers — they can damage the weave and force water into the frame.

Can I machine wash Outsunny cushion covers?

Most Outsunny cushion covers are removable and machine washable at 30°C. Always check the care label on your specific set. Air dry rather than tumble dry to preserve the fabric and prevent shrinkage.

How do I stop my Outsunny steel frame from rusting?

Inspect the powder coating annually for chips or scratches. Touch up any exposed metal immediately with a rust-inhibiting primer or outdoor paint before rust develops. Store or cover steel-framed pieces in winter, and never use non-breathable plastic sheeting as a cover.

My Outsunny cushions have gone mouldy — can I save them?

Yes, in most cases. Mix one part white vinegar with two parts water, apply to the mildewed area, leave for 30 minutes, scrub gently with a soft brush, and rinse thoroughly. Dry fully in the sun before storing. For severe mildew, a diluted outdoor fabric cleaner works better than vinegar.

Where can I buy replacement cushions for Outsunny furniture?

Outsunny replacement cushions are available through Opal Retail and directly from Outsunny. Standard outdoor cushion sizes (typically 48x48cm or 50x50cm) often fit Outsunny frames well if exact replacements aren't available. Browse our Outsunny range at Opal Retail for current availability.