A powder coated finish is built to last, but like any surface exposed to the elements, it lasts longest when it’s looked after properly. Whether your project is residential, commercial, or a non-habitable structure, a simple powder coating maintenance routine goes a long way toward maximising the life of your asset.
Powder Coating Maintenance — How to Clean in 3 Easy Steps
1. Remove loose surface deposits. Carefully remove any loose surface deposits with a wet sponge by gently rubbing.
2. Clean the surface properly. Gently rub the surface with a soft, non-abrasive brush and a dilute solution of a mild, pH-neutral detergent — a liquid hand soap or dishwashing detergent in warm water works well for removing dust, salt, and other deposits. For stubborn stains, use only recommended solvents on the affected area, such as isopropyl alcohol (IPA) or methylated spirits, then rinse off with clean water. Don’t use other aggressive solvents. Selleys Powder Coating Cleaning Wipes are a good alternative for non-stubborn stains.
3. Rinse thoroughly. Rinse the surfaces with clean, fresh water after cleaning to remove all residues.
The Do’s & Don’ts of Protecting Your Powder Coated Surface
| Do | Don’t |
| ✓ Protect all powder coated joinery When building, renovating, plastering, or painting around powder coated assets, use approved tapes and films in accordance with the manufacturer’s instructions. | ✗ Don’t use aggressive solvents or chemicals on the surface Avoid turpentine, white spirits, thinners, kerosene, citrus-based cleaners, insect sprays, or other aggressive solvents. |
| ✓ Remove unwanted paint & sealants Make sure any paint splatters or excess sealant are removed immediately, before they dry. | ✗ Don’t rub powder coated surfaces excessively This is especially important for metallic finishes, which can show wear from over-rubbing. |
| ✓ Use recommended solvents for stubborn stains only Isopropyl alcohol (IPA) or methylated spirits are the only solvents to use, and always rinse off with clean fresh water afterward. | ✗ Don’t let sunscreen come into contact with coated surfaces It’s a widely recognised issue: some sunscreens can adversely affect powder coated finishes. |
| ✓ Inspect regularly Check your powder coating often, and clean more regularly if needed. | ✗ Don’t neglect the recommended maintenance schedule Compliance with Dulux AlumiShield™ and SteelShield™ powder coating warranties depends on following the recommended care and maintenance schedule. |
| ✓ Clean in temperatures below 25°C Surface temperature matters — always clean powder coated surfaces when they’re below 25°C. | ✗ Don’t clean in temperatures above 25°C Do not clean powder coated surfaces when the temperature is above 25°C |
A note on non-approved products: damage from non-approved solvents or products isn’t always visible straight away. It can take up to twelve months to appear — which is exactly why sticking to the approved list matters.
When It’s Time for More Than a Clean
Regular cleaning keeps most powder coated surfaces looking sharp. But gloss finishes that have dulled from age, weather, or light scratching don’t always need a full recoat. The Dulux Gloss Up repair kit is a one-step cutting paste that restores shine by hand — no polishes, waxes, or silicones needed. Wash and dry the surface first, then apply and buff off the excess.
Practical Takeaway
Staying on top of powder coating maintenance doesn’t take much — a regular clean, the right products, and a bit of care around building work is enough to protect your finish and keep your warranty valid.
Not sure whether your project needs a clean, a touch-up, or a full recoat? Get a Free Quote and we’ll help you work out what it needs.
For more detailed guidance, see the Dulux Powders Care & Maintenance documentation.
