Yes, you can paint aluminum siding, and a good paint job on it lasts for years. The siding has to be washed until the chalky residue is gone, any bare metal has to be primed, and the finish should be two coats of 100% acrylic latex in a satin or low-lustre sheen. Painting costs far less than replacing the siding.
Painting Plus Home Improvement LLC paints exteriors across South Jersey from Cherry Hill, where many houses went up in the 1950s and 1960s. Those are the same decades aluminum siding was being installed: InterNACHI dates it from the 1940s through the 1970s. This guide covers the prep that makes paint stick, what to put on, what it costs, and when replacing makes more sense.
Key Takeaways:
- You can paint aluminum siding with ordinary 100% acrylic exterior paint. No special metal paint is needed.
- Chalk is the enemy. If a dark cloth wiped on the siding comes away white, it has to be washed off first.
- Primer is needed on bare, corroded or pitted metal, not on a sound factory finish.
- Painting runs $1,700 to $6,800 for a 2,000 square foot house against $6,800 to $20,400 for new vinyl (HomeGuide).
- In a house built before 1978, scraping and sanding fall under the EPA’s lead-safe rules.
Can You Paint Aluminum Siding Without It Peeling?
Yes, as long as the chalk comes off first. The factory finish on aluminum siding breaks down in the sun into a powdery layer of old pigment, and paint applied over that powder sticks to the powder instead of the siding. This Old House suggests a simple test: wipe the siding with a dark cloth. If the cloth turns white, the siding is chalking.
The wash is what decides how long the job lasts:
- Scrub, don’t just rinse. Family Handyman uses 1/4 cup of TSP per gallon of water, followed by a thorough rinse.
- Match the cleaner to the primer. Zinsser’s Bulls Eye 1-2-3 Plus data sheet says not to use TSP before its primer and to wash with ammonia and water.
- Go easy with the pressure washer. Homes & Gardens recommends staying under 1,500 PSI. Aluminum dents easily.
- Remove oxidation. Corrosion on bare spots has to come off before primer goes on.
Can you paint aluminum siding without sanding?
Usually, yes. Sound, clean siding does not need to be sanded. Sand only the edges of loose or peeling paint with 100-grit paper, and scuff any bare aluminum so the primer has something to grip.
What Primer and Paint to Use on Aluminum Siding
Use a 100% acrylic latex exterior paint, and prime only where the metal is exposed. Aluminum siding does not need a special metal paint, and a sound factory finish with the chalk removed can take paint directly.
| Siding condition | What goes on | Source |
|---|---|---|
| Sound finish, chalk washed off | No primer. Two finish coats. | Benjamin Moore data sheet |
| Bare, corroded or pitted metal | Spot-prime first. Scuff bare aluminum before priming. | Family Handyman; Zinsser |
| Moderate chalk that will not wash off fully | A bonding primer labeled for chalky aluminum siding, such as Zinsser Bulls Eye 1-2-3 Plus. | Zinsser data sheet |
| Dents and gouges | Exterior patching compound or auto body filler, sanded and primed. | Family Handyman |
| Finish coats | 100% acrylic latex, two coats, such as Benjamin Moore Regal Select Exterior Low Lustre. | Benjamin Moore data sheet |
Sheen matters on metal. A satin or low-lustre finish hides surface irregularities in aluminum panels (Bob Vila), and flat hides dents best (Diamond Vogel). Gloss shows every one of them.
Can you use Kilz primer on aluminum?
Check the label first. The Kilz Adhesion product page lists non-ferrous metal among its surfaces and a 50 to 90 degree application range, but it does not name aluminum siding. A primer that does name it, such as Zinsser Bulls Eye 1-2-3 Plus, is the safer pick.
Can you paint metal siding with a roller?
Yes. Brush, roller and sprayer all work on aluminum siding. With a roller, brush the edges first and then roll along the length of the panels. Spraying gives the smoothest finish.
Can you effectively paint vinyl siding?
Yes, with a lighter color. Benjamin Moore’s data sheet for Regal Select Exterior limits vinyl siding to colors with a light reflectance value of 55 or higher. That limit is for vinyl. The same sheet sets no color limit for aluminum.
When to Paint Aluminum Siding in South Jersey
Paint aluminum siding when the air and the metal are both inside the product’s temperature range, which in South Jersey means late spring through early fall for most jobs. The paint is rarely the limit. Benjamin Moore lists a 35°F minimum for Regal Select Exterior and Sherwin-Williams Duration goes down to 35°F as well. The primer is stricter: Zinsser Bulls Eye 1-2-3 Plus calls for 50 to 90°F and humidity under 85 percent.
Heat matters too. The Benjamin Moore sheet caps surface temperature at 100°F, and metal siding in direct summer sun gets hot fast, so the fix is to follow the shade around the house. Our post on the best time of year to paint covers the season in more detail. For the service itself, see exterior painting.
Painting vs. Replacing Aluminum Siding: The Cost
Painting aluminum siding costs roughly a quarter to a third of replacing it with vinyl. These are published national figures, not Painting Plus prices. We quote in writing after walking the house.
| Paint the aluminum | Replace with vinyl | |
|---|---|---|
| Per square foot | $1.50-$2.50 (HomeAdvisor, 2026) $1-$4 (HomeGuide) | $4-$12 installed (HomeGuide, 2025) |
| 2,000 square foot house | $1,700-$6,800 (HomeGuide) | $6,800-$20,400 (HomeGuide) |
| Old siding removal | Not needed | $0.70-$2.00 per square foot (HomeGuide) |
Paint makes sense when the panels are straight and tight and the problem is fading or chalk. It will not fix dents across a whole wall, loose or missing panels, or corrosion that has pitted the metal. For South Jersey ranges on other siding types, see how much an exterior paint job costs in South Jersey. Stucco is a different system, covered on our stucco painting page.
How much does it cost to paint aluminum siding?
HomeAdvisor’s 2026 figures are $1.50 to $2.50 per square foot, or $3,125 to $8,300 for 2,500 square feet. HomeGuide lists $1 to $4 per square foot and $1,700 to $6,800 for a 2,000 square foot house.
How long does paint last on aluminum siding?
Published estimates run from 5 to 10 years (HomeGuide) to about 15 years (HomeAdvisor). Family Handyman puts the floor at 6 to 10 years and says top-quality paint can go 20 years or more. Prep is what separates those numbers.
How often does aluminum siding need to be painted?
Plan on every 5 to 10 years, the interval HomeGuide publishes. Siding that was washed and primed properly sits at the long end of that range. Siding painted over chalk sits at the short end.
Older Homes: Check the Year Before Anyone Scrapes
If the house was built before 1978, the EPA’s Renovation, Repair and Painting rule applies to paid work that disturbs paint. New-looking siding does not change that. The EPA’s guidance on repainting siding says relatively new siding on a pre-1978 home is still covered unless a certified professional has documented that no lead-based paint is present. Ask whoever paints the house how they handle that before any scraping or sanding starts.
Conclusion
Aluminum siding is one of the better surfaces to repaint. It does not rot, it holds acrylic paint well once the chalk is gone, and painting it costs far less than tearing it off. The work is in the wash, the spot-priming and picking a sheen that hides dents. If the panels are straight and attached, paint them. If they are dented, loose or corroded through, price replacement.
Need Expert Painting Services in South Jersey?
Receive a free quote today for aluminum siding painting or any exterior project, or call (856) 669-7500. Painting Plus paints homes across South Jersey, including Cherry Hill, Voorhees, Moorestown and the rest of Camden County.