Before you try anything: always speak to a professional before cleaning, treating or applying any product to your stone. Every slab is different, and the wrong product can cause permanent damage. Contact us or a qualified stone restorer first.
Quick answer
The most reliable way to protect marble is a clear protection film over the surface. Sealers only slow liquids soaking in; they do nothing to stop acids such as lemon juice, wine or vinegar from etching the stone. A film is a physical layer, so acids, oils and pigments never reach the marble at all.
Key points
- Every true marble etches, from budget Carrara to rare Calacatta.
- Etching happens in seconds to minutes and is damage, not dirt.
- Film protects polished and honed marble, in Gloss or Matte/Satin.
- Already-marked marble can be restored first, then filmed.
Why marble marks so easily
Marble forms when limestone is put under heat and pressure deep underground. The result is a dense, crystalline stone made almost entirely of calcite. Calcite is soft (around 3 on the Mohs scale, the same as a copper coin) and it reacts with acid. When a drop of lemon juice lands on it, the acid dissolves a thin layer of the surface. On polished marble that shows up as a dull patch; on honed marble it can look like a slightly darker or smoother spot.
That is why marble owners describe the same pattern over and over: a perfect benchtop at handover, then a ring from a wine glass, a trail of juice beside the chopping board, and a hazy area next to the sink where a spray cleaner was used every day. None of these are stains, and no amount of cleaning removes them.
Every type of marble we protect
We film all true marbles. The ones we are asked about most have their own pages: Calacatta, Carrara, Statuario, Arabescato, Nero Marquina, Emperador and Crema Marfil.
We also regularly protect Thassos, Volakas, Bianco Lasa, Panda White, Bardiglio, Palissandro, Calacatta Viola, Calacatta Oro and Pietra Grey, along with stones sold as marble that are closer to dolomite. If you do not know the name of your marble, we will identify it when we visit and tell you whether it will etch and which finish will suit it.
Why a sealer is not marble protection
Most marble is sealed when it is installed, and many owners assume that means it is protected. A penetrating sealer sits inside the pores and slows down how fast a liquid soaks in, which buys time against staining. It does not change the chemistry of the stone, so acids still etch a sealed benchtop exactly as fast as an unsealed one. We explain the difference in detail in sealer vs protection film.