Repairing Granite

Granite can be more delicate than many synthetic countertops and will sometimes require repair. This page will walk you through how to tell the difference between etching and staining, what to do if your granite has a stain and how to enhance the color of your granite.

Identifying Etches and Stains

These are two common issues with granite which are confused with each other. In order to fix either staining or etching you should first identify which problem your granite has.

Etching is a reaction to an acidic or alkaline substances on the surface of the stone. Staining occurs when a substance is absorbed into the pores of the stone. Stains are always darker in appearance than etches.

If you have light etching you’ll need to buy polishing powder or if you have deep etching you will need to contact a stone restoration company. For stains, purchase the appropriate Stone Care International poultice powder and follow the instructions below.

Please note that water may temporarily darken the stone, but it will evaporate. However, if water darkens on the surface then this is the time to re-seal (after removing the entire stain).

Removing Stains from Granite

If granite has a stain it means a substance is absorbed into the pores of granite and will require a poultice powder, like the ones offered by Stone Care International, to remove it. Poultice are extremely absorbent substances. The poultice enters the pores of the stone and chemically draws the stone into the poultice. Follow these instructions to remove the stain:

  1. Mix part 1 of the poultice powder with 3 parts water to create a thick paste. Consistency should be similar to peanut butter. Add more water or powder until consistency is reached.
  2. Apply the paste about ¼ inch thick over the stain
  3. Cover the paste with plastic wrap and tape the edges to hold the plastic wrap in place (do not cover the entire area in tape)
  4. Put a few pin-size holes in the plastic wrap to allow air to escape
  5. Allow poultice to dry on the surface until hardened (typically 12-24 hours)
  6. Touch the paste through the plastic wrap to ensure it’s completely dry. Push in the middle of the poultice to be sure it’s not pulposus, or doughy below the hardened top layer.
  7. Remove tape and plastic wrap
  8. Gently remove the dried paste with a plastic scraper
  9. Clean the area with Stone Care International Granite & Stone Daily Cleaner and a microfiber cloth
Stained granite Mixing the poultice powder and water
food stain on granite mixing poultice and water
Apply the poultice to the stain Cover in plastic wrap and poke air holes
applying poultice to a stain cover poultice and poke air holes
After the poultice has dried, scrape away After the stain is removed
scraping away the dried poultice after removing stain

Grease and oil stains respond slowly to any treatments and may require several back-to-back applications. Poultice are water based meaning you need to overwhelm the oil-based stains in order to absorb it out of the stone, which requires several applications.

If the stain is removed:

  1. Clean the area with Stone Care International Cleaner
  2. Allow the stone to dry for at least 12 hours
  3. Conduct a water test in sections of the stone where you used the poultice powder
  4. Seal the cleaned area and any other area without beading water
  5. Test again one day later

How to Enhance the Color of Stone

Granite can sometimes look faded or lightened and when this happens Stone Care International’s Color Enhancer can improve the look of your granite. The color enhancer will magnify and protect the natural colors and textures of flamed, honed and rough-textured stone surfaces. Including slate and tumbled marble.

The color enhancer permeates the surface of the stone and absorbs into the pores, giving the granite a darker, wet look. The formula bonds to both interior and exterior stone while providing maximum protection. The effect is not removable, so make sure you test on a small, inconspicuous area before applying in full.

For smooth surfaces, apply with microfiber cloth. For rough textures apply with a pump sprayer.

How to Apply the Stone Care International Color Enhancer:

We recommend testing this procedure on a small, inconspicuous area of granite first. This will ensure you like the results.

Do not use Stone Care International Color Enhancer on food handling surfaces.

  1. Remove all loose objects from the area, clean the surface and allow it to dry.
  2. Apply the color enhancer using a microfiber cloth at about 50 square feet at a time
  3. Let the surface dry for about one hour. Then complete a second application.
  4. Proper curing time is approximately 24 hours.

Caring for Stone

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