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QUESTION: After treating a natural stone surface with Lithofin MN Colour Intensifier, it is now partially shiny. What went wrong?

Lithofin MN Colour Intensifier has probably been applied too generously. The stone could not absorb the quantity of product and the product residues formed puddles which dried on the surface. This surface film can be dissolved with Lithofin MN Colour Intensifier. Simply reapply the product and ensure an even distribution. After 5 to 10 minutes, remove all surface residues with a dry cloth. The colour intensifying effect and the impregnator’s effectiveness remain intact. Alternatively, you can remove the impregnator entirely with Lithofin WAX-OFF. Apply the product with a brush and allow it to work for 15 to 20 minutes scrubbing occasionally. The rinse the surface with plenty of clear water.

QUESTION: The cement grouting in my kitchen has turned dark with age. How can I clean the joints and prevent them from turning dark again?

Grease splashes and vapours penetrate into the porous grouting material and with time turn them dark and unsightly. Lithofin KF Grout Cleaner dissolves and removes these deposits. However, oil and grease resinify with time, and they become more and more difficult to remove as time goes by. The clean joints should then be treated with Lithofin KF Grout Protector. This protective treatment will prevent the penetration of oil and grease.

QUESTION: How can I remove lime deposits and water spots from chrome or stainless steel fixtures?

Put some Lithofin KF Ceramic-Clean diluted approx. 1:15 with water on a sponge and wipe down the fixtures. Then wipe again with a clean and moist cloth. Please note: keep acidic cleaners away from marble, limestone and other materials which are not resistant to acid.

QUESTION: How can I remove paint drops from natural stone?

Put some Lithofin WAX-OFF (undiluted) on the spot. Allow the product to work for 10 to 15 minutes, brushing occasionally. Then rinse the surface with plenty of clear water.

QUESTION: How can I remove permanent marker from tiles or natural stone?

Lithofin KF Mildew-Away will bleach most colours. Spray the product on the marks and rinse with plenty of water (while rubbing with a sponge) when the marks have disappeared.

QUESTION: The tile / natural stone surface in my entry way is too slippery. What can I do?

First you should thoroughly clean the surface with an intensive cleaner. If the slippery surface was due to layer forming care products, the problem should now be solved. If the surface is still to slippery, you can use Lithofin Anti-Slip to “roughen” up the surface. The product removes microscopically small silikate particles from the stone / tile, thereby giving it more grip. Lithofin Anti-Slip is available in a convenient Set which includes all the equipment you will need to treat 6m².

QUESTION: Does a granite kitchen counter top need any sort of special treatment?

At first glance, natural stone surfaces look dense and robust. However, the stone contains pores and capillaries, which allow dirt to penetrate the surface. A protective treatment like Lithofin MN Stain-Stop (or Lithofin STAINSTOP “W”) makes the surface resistant to oil, grease and water borne dirt. Dirt does no longer penetrate the stone and is therefore simple to remove. The protective treatment in combination with the right maintenance program will prevent staining.

QUESTION: After impregnating a polished marble surface, there are dull areas everywhere. How can they be removed?

Product residues were not removed in time and have dried on the surface. These dull areas can be removed with Lithofin WAX-OFF and a white nylon pad.

QUESTION: An outdoor granite surface was treated with an impregnator as a protective treatment. After two or three days, the surface turned white. What should be done?

The impregnator has probably been applied to a still moist surface. Remove the protective treatment with Lithofin WAX-OFF. When the surface has completely dried, reapply the impregnator.

QUESTION: Even after cleaning with Lithofin FZ Intensive Cleaner, there are still “clouds” on my polished porcelain tiles. What should I do?

Sometimes, the polished tiles are not thoroughly cleaned off when they leave the factory and there are still residues from the polishing process. These residues can be removed with acidic cleaners such as Lithofin KF Cement Residue Remover.

QUESTION: How can I protect a natural stone façade?

Lithofin SPLASH-STOP will protect the surface against the penetration of water and dirt. Outdoors, impregnators should not be applied before late May or early June because the surface must be completely dry.

QUESTION: Is it possible to achieve a sheen on outdoor surface made of rough natural stone.

Yes and no. Lithofin MN Slate-Seal is not recommended for outdoor use because it is not very durable (depending on the location 3 to 12 months). The sealant must therefore be applied regularly. Sealants can only be used on surfaces where there is no danger of moisture penetrating from below, as this may lead to serious damages.

QUESTION: How can I remove limescale deposits from my marble vanity top?

The limescale has penetrated deeply into the stone and has damaged the polish of the surface. Removing these deposits without further damaging the surface is impossible. The surface can, however, be touched up, so the unsightly stains no longer show as prominently. Mechanically remove the surface deposit with a white pad and Lithofin MN Power-Clean. A shadow or a dull spot will remain visible. Protect the surface with Lithofin MN Stain-Stop and regularly apply Lithofin MN Polish Cream.

QUESTION: What can I do to make the light coloured stone surface on my terrace less sensitive to dirt?

Protecting the surface with Lithofin MN Stain-Stop will prevent water, dirt, oil and grease from penetrating into the surface, thereby simplifying maintenance.

QUESTION: A terracotta surface was installed many years ago. Dirt has penetrated the protective wax film. How can this surface be refurbished?

In order to remove the dirt, the wax film must be partially dissolved. Dilute Lithofin WEXA up to 1:4 with water (test for the adequate degree of dilution in an inconspicuous area) and apply it to the surface. Allow the product to work for 10 to 15 minutes. Brush vigorously and rinse the surface with plenty of clear water. Allow the surface to dry completely. Applying Lithofin TC Classic Wax or Lithofin TC Ever-Sheen will achieve an elegant sheen on the surface.

QUESTION: My marble floor has become matt over the years and it even shows tracks where it has been subjected to the heaviest use. How can I bring back a nice sheen on the surface?

First remove any dirt and care product residues with Lithofin MN Power-Clean. Afterwards wipe the surface with Lithofin MN Care-Sheen. (in case of hard wear: apply Lithofin MN Care-Seal diluted 1:4 with water). You may have to repeat this procedure in order to achieve a rich sheen. Use Lithofin MN Easy Care Cleaner for regular maintenance.

QUESTION: The stone surfaces in my garden and on my terrace are several years old and have turned green at times even black. How can I clean these surfaces?

Cleaning the surface with Lithofin MN Outdoor Cleaner will restore the surface to its original condition. After one to two weeks, you should treat the surface with Lithofin ALGEX as a preventive measure. To ensure a clean surface in the future, you should spray it with Lithofin ALGEX once a year, preferably in spring.

QUESTION: The stones on my terrace turned green and have become slippery. How can I restore them to their original condition?

Algae can be removed with Lithofin ALGEX. This product also serves a preventive function. To ensure a clean surface, you should spray it with Lithofin ALGEX once a year, preferably in spring.

QUESTION: Natural stones show dark spots after putting in silicone joints. How can I remove those?

Brush the surface several times with hot water and a dash of Lithofin MN Power-Clean. Occasionally you may have to put a wet cloth on the area and allow the product to work for some time.

QUESTION: My terrace made of artificial stone only looks good when it is wet (after it rained). How can I achieve the same intense colour when the surface is dry?

Generously apply Lithofin MN Colour Intensifier to the clean and completely dry surface. In addition to giving the surface a deep and rich colour, Lithofin MN Colour Intensifier also acts as an impregnation against water and dirt.

QUESTION: How can I remove brown (rust) stains from granite?

Wet the surface with water, apply Lithofin MN Builders Clean, and allow it to work for about one hour. Add some water, brush, and then remove the product. Rinse thoroughly with clear water. In case of stubborn staining repeat this process.

QUESTION: How can I remove grease stains from a granite counter top?

Apply Lithofin MN Intensive Cleaner or Lithofin WAX-OFF and allow it to work for 5-10 minutes. Add some water, brush, and then remove the product. Rinse thoroughly with clear water. You may have to repeat this procedure.In case of stubborn, deep-seated stains apply Lithofin OIL-EX in a 2 mm thick layer to the dry surface and cover it with some foil. Remove the foil after about 12 hours and brush off the white powder after one more hour.

QUESTION: How can efflorescence from flowers and leaves be removed from terraces?

Apply MN Outdoor Cleaner undiluted and let it work for about 10-30 minutes. Brush, remove the product and then rinse off with clear water.

QUESTION: The protective treatment dried on the surface. What should I do?

If the impregnator has not been on the surface for more than 24 hours, use water to dissolve the surface residues and rinse of. If the impregnator has been on the surface for several days, use Lithofin MN Intensive Cleaner or Lithofin WAX-OFF, allow the product to work work for 10-25 minutes (scrub occasionally). Then rinse off thoroghly.


Please contact us if you would like to discuss your project requirements with one of our natural stone specialists.

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