Cast Stone Cleaning, Sealing & Repair Services

Cast Stone Cleaning, Sealing & Repair of Chicago


CSI-Absolute Clean Inc. of Chicago has a well-earned reputation for top-notch cast stone cleaning, cast stone repair and cast stone sealing services specifically designed for exterior cast stone surfaces. We do not use harsh detergents or abrasive cleaning materials. We provide our services to both residential homes and commercial businesses throughout the city of Chicago, North Shore and the South West Suburbs.

Why should you hire a professional to clean, repair or seal your exterior cast stone?


Cast stone is a porous cement manufactured from natural sands, carefully crushed stone, gravels, minerals, and pigments combined to achieve a color and architectural look often used in exterior parts of masonry on a building. It behaves similar to cement in that if not cleaned and sealed, the surface will hold soil and is susceptible to staining. In fact, in high moisture areas, it is common to find mold, mildew and microbial growth staining, and in worst case scenarios, cast stone will erode from water damage in states that have harsh winter climates. 

Therefore CSI-Absolute Clean Inc. can help you preserve the beauty of your cast stone and prevent permanent staining and even water damage. Our skilled and experienced technicians will ensure proper care is taken when cleaning your cast stone and revitalizing it to the way it was meant to look.

Why Choose our Cast Stone Cleaning, Cast Stone Sealing & Cast Stone Repair Services?

At CSI-Absolute Clean Inc, we provide professional cast stone cleaning, sealing and repair services. Maintaining the beauty of your cast stone is our specialty. Our extensive knowledge and experience in cast stone cleaning and cast stone repair has made our company one of the leaders in the Chicago & Chicago land area. Combined with our customer service attitude, we guarantee you will notice the CSI difference from start to finish.

Maria Yolanda L.

"Absolutely professional service and very well priced. Clear and concise communication throughout the whole process. Highly recommended A+++”

Maria L.

Evanston, IL


Door Frames
Exterior Trim
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clean cast stone
clean cast stone
cast stone cleaning process
cast stone cleaning process
cast stone cleaning in process
man cleaning cast stone
cast stone before cleaning
cast stone after cleaning process
repaired cast stone
cast stone after reparation
cast stone during reparation
cast stone during reparation process
reparation of cast stone
before reparation of cast stone
damaged cast stone before reparation
cast stone to be repaired
broken cast stone before reparation
Tile Grout
Tile Grout
Before & After Gallery
  1. Pre-Treatment: spray application of our alkaline trimix chemical with the purpose of breaking the surface tension of the soil, penetrating the grout in order to defloculate imbedded soil. It then breaks down soil and suspends it in the water molecule/cleaning detergent for easy removal.

  2. Agitation: Manual or Mechanical – Aids the Pre-Treatment to saturate, and helps further loosen soil.

  3. Extract: done via truck mount or portable machine vacuums off suspended soil in water molecules

  4. Rinse: Triple Steam rinse flushes out any dirt remaining in the tile & grout ensuring full removal.

  5. Emulsify: a chemical rinse that is the 2nd rinse step synergistically reacts with the pre-treatment to attract all chemical and soil to the surface

  6. Neutralize: a chemical rinse that is the 3rd step in the rinse step that flushes all residue and solutions out, neutralizes them, and brings the tile & grout PH back to balance PH7 to prevent re-soiling.

  7. Speed dry: expedite drying to eliminate/avoid efflorescence

  8. Dry Buff: Removes any remaining residue, also aids to expedite drying

  9. Seal: Application of appropriate deep impregnating/penetrating sealer. (sealers may vary depending on the type of stone)

  10. Final Buff: Ensures full penetration of sealer, removes any excess sealer residue.

  1. All repair areas need to be properly cleaned prior to performing any repairs

  2. All loose material will be removed from the repair site

  3. If applicable, forms will be made hold the matrix repair material in place

  4. Application of matrix material

  5. Striking and shaping of matrix repair material

  6. Newly poured matrix repair material requires 48 hours to cure

  7. Repeat the above steps if necessary, to form the repair to the likeness of the pre-existing cast

  8. Final Cleanup of repair site

  9. Seal all areas that were repaired

Note: Repairs are an ongoing process and are subject to weather contingencies. Rain, heat, and humidity all play a factor in the curing process of the matrix repair material.

Cast Stone Past Projects

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What Our Residential Clients Say About Us...

Good, bad or indifferent, we love all the feedback we receive from our clients. Though we love to hear how great we is from our shortcomings that we grow the most as a company. We thank all our clients for taking the time to leave a review as it is our guiding post to continue to improve.


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At Properties Chicago
American Apparel
Amc theaters
Berkson and Sons
Cagan management group
Chanel Chicago
Chuck e cheese
Dk Condo
Eddie Z's
Hilton Garden Inn
Holiday Inn
Ritz Carlton
Muvico theaters
University Of Illinois
Waldorf Astoria
Whole foods
Yves Saint Laurent
Hilton Garden Inn
Holiday Inn
Chanel Chicago
Chuck e cheese
Dk Condo

Contact Us

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5358 W Gale Street, Chicago IL 60630

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CSI-absolute CLEAN, INC

Commercial & Residential Services

Office Hours: Mon -Fri 9am - 5pm
1st Shift Service Hours: Mon - Sat 8am - 6pm
3rd Shift Service Hours: Sun - Thurs 9pm - 5am

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Chicago, Winnetka, Wilmette, Glencoe, Glenview, Deerfield, Highland Park, Northbrook, Naperville, Oakbrook, Hinsdale, Inverness, Buffalo Grove, Lincolnshire, Wheeling, Long Grove, Vernon Hills, Libertyville, Lake Bluff, Lake Forest, Des Plaines, Morton Grove, Skokie, Niles, Lincolnwood, Arlington Heights, Elk Grove Village, Park Ridge, Evanston, Kenilworth Hoffman Estates, Roselle Barrington IL, Burr Ridge IL, Mount Prospect IL, River Grove IL, Rosemont IL, Streamwood, South Barrington IL


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