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What is marble?
Marble is a metamorphic stone formed from limestone under great heat and pressure. Mostly calcite, it has beautiful veining and a deep shine, but it is more sensitive to acid and scratches than other stones.
Where does PGS restore marble?
Kitchen islands and countertops, floors and staircases, feature walls, dining and coffee tables, and bathroom vanities in homes, hotels and luxury retail.
What damage does marble get?
- Dull etch marks from acids such as lemon juice, vinegar and bathroom cleaners
- Dullness along busy walkways
- Scratches from grit and furniture legs
- Stains from oil, wine and coffee
- Uneven joints between slabs
How does PGS restore marble?
Restoration with polishing grades matched to the damage, in the polished or honed finish you prefer, levelling joints where needed, then Invisible Shield to slow staining.
Surface Restoration · Invisible Shield · Surface Concierge
For tops in daily use, we can finish with a clear protective film.
How should I clean marble at home?
- Wipe up spills straight away, especially anything acidic.
- Clean with a pH-neutral 7.0 cleaner.
- Place mats at the doors to catch grit.
- Use coasters, and trays under condiment bottles.
Sources & further reading
The Natural Stone Institute provides guidance on acid sensitivity, neutral cleaners and stain resistance. Read our note on marble and acid and guide to assessing sealing needs.
Natural Stone Institute — Care & Cleaning of Natural Stone
Huang et al. studied six marbles with sol-gel diamond pads and found that material differences affect the optimal polishing time. These laboratory results inform the need to assess the stone; they do not guarantee a particular on-site gloss or polishing time.
Huang et al. (2024), Applied Sciences 14(18), 8314 — Surface Evolution and Optimizing Strategy for Polishing Natural Heterogeneous Marble Using Sol-Gel Diamond Pad.
General information about this stone. On every project, PGS craftsmen survey and prove a small area of the real stone before proposing a method.