HomeETCH and STAIN REMOVAL
ETCH and STAIN REMOVAL
- Let’s look at the five major classifications of stains that your stone floors or countertops could develop, as well as some conditions commonly mistook for stains.
- FIVE MAJOR TYPES OF STAINS
- Oil Based: Made from cooking oil spills, milk spills, grease or tar spills, and cosmetic spills. These stones will end up forming dark patches.
- Organic: These are caused by organic products such as urine, leaves, tobacco, tea, fruit, and bird droppings etc.
- Inorganic: Inks, dyes, dirt, and other non-organic sources can cause serious stains to natural stone features, especially if not cleaned up quickly.
- Metallic: These are caused by contact with certain metals; such as copper or rusted iron. These metals, undergoing oxidation or some other chemical reaction, can stain natural stone if left in contact for too long.
- Biological: These stains usually occur due to the growth of lichens, fungi, algae and other microorganisms. Generally we see these stains on outdoor stone pavers or statues, or inside a bathroom/shower stall.
- While most stains fit into one of the five major categories, there are some problems that aren’t technically a stain.
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- Here are other common type
- Paint: These stains are sure to have occurred if you got your house painted recently. However, it’s only oil based paints that cause staining. Acrylic or latex paints are relatively safer.
- Water Spots or Rings: These stains occur if you ignored water spills or have the habit of placing wet cups or glasses onto the natural stone surface. Very commonly observed on marble & granite countertops.
- Fire and Smoke: As the name indicates, these stains are caused when there has been a fire related incident or if the natural stone is exposed to fire and smoke often. For instance, kitchen walls made of natural stone usually have this problem by the stove.
- Etch Marks: Commonly misclassified as a stain, etching is caused when acids or bases are left on a natural stone’s surface. Even weak basic or acidic solutions can react enough with natural stone to cause a etch marks. Extremely caustic bases & acids will even damage the stone surface. That’s why we only use pH neutral cleaners during a restoration job.
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Mr.Marble & Stone
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