Marble is porous. When Marco tried again with a primer, any humidity from cooking or watering plants got trapped under the paint. Bubbles formed, and the paint cracked.
Marco, eager to please, grabbed a can of leftover trim paint. “Of course you can paint marble,” he said. “It’s just stone.” can you paint marble window sills
Defeated, Marco spent a weekend stripping the paint with a citrus-based remover and a plastic scraper (metal would scratch). Underneath, the marble was worse than before—stained and etched from the paint’s chemicals. Marble is porous
Marble windowsills are like hardwood floors. You can paint them, but you’ll regret losing the original beauty and durability. Restore, don’t paint. and the paint cracked. Marco