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How to clean a garage door

Author Lisa CooperHead of Product at Hunter DouglasWritten 20/08/2026
Modern anthracite grey garage door with horizontal panels, framed by white render, brickwork and a front window on a paved driveway.

Your garage door works hard every day, so it’s only natural that it picks up dirt over time. Keeping it clean is quick and simple, and a little regular care will help it stay looking its best for longer.

Watch our step-by-step guide

Discover the best way to clean a garage door with our simple step-by-step video.

Person rinsing an anthracite grey garage door with a hose outside a house, with front window, white walls and paved driveway.

1. Rinse away loose dirt

Start by giving your garage door a gentle rinse using clean water. This helps remove surface debris before you start cleaning.

A hosepipe will do the trick; there’s no need for anything stronger.

Person wiping down an anthracite grey garage door with a purple cloth, removing water droplets from the smooth panelled surface.

2. Clean with a mild solution

For general cleaning, warm water with a small amount of mild detergent is all you need.

Use a soft cloth or sponge to wipe the door from top to bottom, working in sections to avoid streaks. A light touch is best here - there’s no need to scrub.

Person cleaning an anthracite grey garage door with a purple cloth, wiping between panel joins on the damp surface.

3. Pay attention to edges and details

Dirt can build up around panel edges, handles and trims, so take a moment to clean these areas carefully.

A soft cloth will help you reach into grooves without pushing dirt further in or damaging the finish.

Person spraying cleaning solution onto the frame of an anthracite grey garage door, with water droplets visible on the surface.

4. Tackle stubborn marks

If you notice marks that don’t wipe away easily, leave your cleaning solution on the area for a minute or two before gently wiping again.

Avoid harsh chemicals or abrasive tools, as these can damage the door’s surface. If you’re unsure, test your cleaner on a small hidden area first.

Person drying an anthracite grey garage door with a cloth, removing water droplets from the smooth panelled surface after cleaning.

5. Rinse and dry

Once you’re happy with the result, rinse the door thoroughly with clean water to remove any remaining soap.

Leave it to air dry naturally or wipe it down with a soft cloth to prevent water marks.

With just a little care now and then, your garage door will stay looking its best, ready for you to enjoy your outdoor space.

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