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For more than 35 years Torin Dixon has used HMK Stone Care Products as a Professional Stone Fabricator and Installation Contractor.

Teamed up with his wife Diane, together they have 55 years of stone contracting and maintenance experience.

HMK® Stone Care products are Professional Grade, and specifically developed for all natural stone surfaces.


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Missoula, Montana, 59806



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How to Remove Old Sealers from Natural Stone Surfaces

 How To Remove Sealers and Waxes from Slate, Granite & Marble
(and other stone)

 By Torin Dixon



Slate with multiple coats of sealers that have built up.Sealers and Wax Removal -
Old sealers, waxes, polishes and cleaning products can build up over years and become quite unattractive. The question often is, "How difficult is it to Remove Old Sealers?" 


If you know the sealers or products used, it may make it easier to answer this question. If the products used are Water Based, then it is quite possible that they may be removed using an industrial strength cleaner like our R55 Intensive Cleaner as discussed here.


For Acrylic or Solvent Based Stone Sealers or to remove deeply Penetrated Stains, particularly Oils, Grease, and Wine, it may require a Professional Grade Solvent Cleaner. In this case I suggest using our Solvent Stone Stripper/Stain Remover R54. (See below)






HMK R55 Intensive Cleaner for Stain Removal on Natural Stone

Cleaning water based sealers with HMK R55 Intensive Cleaner 

Mix a solution of R55 1:1 (1 Part HOT Water to 1 Part R55) 

Apply to Stain with a Sponge. Allow to dwell on surface for 15 minutes.

Rinse area with Clean Warm Water and allow to dry. 

If stain remains, use R55 as above, allow solution of R55 to dwell for 15 minutes.

Blot area dry with paper towels and immediately go to Step #2






HMK R54 Stain Remover for Stone and 
Sealer Stripper


 Removing solvent based sealers and waxes with  HMK R54 Stripper Stain Remover


Apply a generous coat of HMK® R54 undiluted onto the dry surface using a stiff brush, scrubbing brush or suitable pad and let soak in. Do not allow to dry. After 10 to 15 minutes, scrub the area again vigorously, applying more R54. Wait for 15 more minutes, allowing product to activate.


Wipe product off with paper towels or clean white rags and IMMEDIATELY clean the area thoroughly with HMK® R55 Intensive Cleaner, diluted about 1:4 with clean water. Remove the dirty liquid and rinse the area again with a clean solution of R55 and water.

Rinse with clean water. If patches remain untreated after drying, repeat the treatment as necessary.



Using R55 is necessary to Neutralize the Stripper-Stain Remover
and preparing surface for re- sealing or impregnating.



Using the HMK R54 and R55 products will remove old sealers and restore stone to nearly new condition. At this point the stone will be in a "raw" condition, and may be susceptible to staining. At this point it is recommended that you Protect the stone with either a Topical Sealer, or Impregnator (penetrating)


Slate floor after removing sealers using HMK R54 Stripper

Cleaned and Restored Slate Tiles



If you have deeply imbedded stains, you will need to use a Stain Removing Poultice (see below)




Save on this Combo PackFor your convenience, we offer a money saving Combo-Pack including R54 & R55














HMK R52 Poultice Stain 
ExtractorRemove Extremely Deep Penetrated Stains in
Granite, Marble and All Natural Stone 
using HMK R52 Stain Extracting Poultice







Apply R52 onto the surface with a putty knife or spatula and work into the surface with a brush. Thereafter add more HMK® R52 to ensure that there is a layer of at least 5mm of poultice. Cover with plastic wrap and tape down edges. Allow to dry for 12 hours. After 12 hours, remove plastic and continue to allow to dry for 12-24 hours.

Once completely dry brush off the hardened poultice or lightly scrape off using a plastic paint scraper or spatula. Do not be alarmed if stone beneath and surrounding Poultice remains darker for several hours or days. The moisture may cause it to appear darker, but once dry it will return to previous appearance.

After removing all the poultice scrub the area  with HMK® R55 Intensive Cleaner diluted about 1:10 with clean water, using a scrubbing brush, stiff brush or a white/tan pad. Remove the dirty liquid and rinse the area thoroughly with clean water.

For deeply penetrated tough stains a second or third treatment may be necessary.



Deep Cleaning Natural Stone Page

Daily Cleaning Natural Stone Page

Learn how to use our HMK Professional Grade products to remove 
old sealers and coatings and to Clean stone surfaces.

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