Slate Cleaning Sealing Services of Chicago
residential & commercial services
CSI-Absolute Clean Inc., a world-class Chicago based slate restorative and cleaning company with a great deal of technical knowledge and experience to professionally wash and clean slate surfaces. We provide our services to both residential homes and commercial businesses across the city of Chicago, North Shore and the South West Suburbs. Our Chicago based slate cleaning professionals can effectively restore your slate to an attractive, like-new condition.
Why Should You Hire a Professional to Clean Your Slate?
Our Goal is to Deliver the Gold Standard in Customer Service
At CSI-Absolute Clean Inc., we can professionally wash, care for and seal slate with the correct methods to ensure its long-lasting beauty.
SURFACES WE RESTORE
- What Requires a Clean & Seal?
- What Requires a Partial Restoration?
- What Requires a Full Restoration?
- What is an Etch?
- How does PH affect my stone?
- Scratches on stone surfaces
- Annual Maintenance
- No Etches (commonly referred to as: Water Mark, Water Stain, Drip Mark, Ring Stain)
- No Staining (Anything that has left a pigment is a stain. i.e. Coffee Stain, Wine Stain, etc…)
- No Scratches
- No Dulling of the Surface Finish (Finish is intact)
- Light Etch Marks (commonly referred to as: Water Mark, Water Stain, Drip Mark, Ring Stain)
- Light Staining (Anything that has left a pigment is a stain. I.e. Coffee Stain, Wine Stain, etc…)
- Light Scratches
- Minimal Dulling of the Surface Finish (Matte, Honed, or Polished)
- Deep Etch Marks (commonly referred to as: Water Mark, Water Stain, Drip Mark, Ring Stain)
- Deep Staining (Anything that has left a pigment is a stain. I.e. Coffee Stain, Wine Stain, etc…)
- Deep Scratches
- Extensive Dulling of the Surface Finish (Matte, Honed, or Polished)
An etch is a dulling mark on stone that appears as a stain. An etch is a chemical reaction between the calcium in the stone and any liquid that has an acidic PH
Liquids such as beverages, food items and cosmetic items with an acidic PH can etch the finish of your stone.
The acidic nature of any item will react to the calcium in your stone leaving a dull mark that cannot be removed with cleaning.
Scratches can occur on softer stones such as marble, limestone, travertine, onyx and soapstone.
Scratches ruin the finish of your stone and cannot be removed with cleaning.
Our Slate Cleaning & Polishing Process
Our natural stone cleaning systems are performed to IICRC standards for S210 stone restoration. We use the most cutting-edge technology to deliver the ABSOLUTE BEST CLEAN. Our standard natural stone cleaning process removes any topical soil. Any staining or damage not removed by our standard natural stone cleaning process will require either a “partial restoration” or a “full restoration”.
- 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.
- Agitation: Manual or Mechanical – Aids the Pre-Treatment to saturate, and helps further loosen soil.
- Extract: done via truck mount or portable machine vacuums off suspended soil in water molecules
- Rinse: Triple Steam rinse flushes out any dirt remaining in the tile & grout ensuring full removal.
- 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
- 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.
- Speed dry: expedite drying to eliminate/avoid efflorescence
- Dry Buff: Removes any remaining residue, also aids to expedite drying
- Seal: Application of appropriate deep impregnating/penetrating sealer. (sealers may vary depending on the type of stone)
- Final Buff: Ensures full penetration of sealer, removes any excess sealer residue.
NATURAL STONE SERVICES - GENERAL PRICING CHARTS
Standard Services - Prices subject to change based on pre-existing conditions and or service stipulations
Additional charges for parking apply in Chicago and Downtown service areas, minimum service charge apply
Our stone sealer provide maximum protection against:
- Permanent staining
- Repel water & oil based stains
- Prevent malodors & microbial growth
- Recommended once a year in high moisture areas after a restorative cleaning process has been performed
Replacing loose, damaged or stained grout:
- Grout may come loose during our cleaning process
- Our process does not cause this condition, but rather exposes a pre-existing condition
- Replacing grout is a great way to refresh the look and feel of your home.
Replacing caulking is essential to high moisture areas in your home. Caulk prevents:
- Moisture migrating in between building materials
- Rotting off building material that accumulates moisture
- Microbial growth as a result of moisture accumulating in areas that do not dry out
- Recommended Cleaning Frequency
- Drying time after service
- Wide Range of Use
- Many Different Materials
- Pores by Nature
- Pores by Nature
Natural Stone cleaning recommendations
- Hot water extraction cleaning method is recommend over other methods
- Residential cleaning frequency is once every 12 months or once every 6 – 12 months for high moisture areas.
Floors are walkable immediately after service.
Counter tops and vanities are usable immediately after service.
Recommendations after service:
- Room temperature of at least 70 degrees
- Turn on any fans available for air movement to expedite drying.
- Allow the area to dry 24 hours before introducing moisture
What Our 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 are...it 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.
We just had our 3rd or 4th annual commercial cleaning with CSI Absolute Clean. I really like that that have great, caring and friendly service, staying in touch both before and after the service. We get reminder emails, arrival calls, follow up emails to ensure costumer satisfaction.
The very first time we used CSI Absolute Clean, they were very accommodating with the business hours of our nail salon. They were thorough and efficient, and we were extremely satisfied with the service in all ways.
When we used them again for the 2nd or 3rd time, they had sent a newer, less thorough and more rushed cleaning technician who had left us with damp carpets and less than a satisfactory experience. The customer service center did a follow up call and we explained our experience to them. They listened patiently with care and ensured they will follow up with the technician and will do a better job next time. I really like that they care about their quality.
This last time around, the technician called upon timely arrival. However, they didn't have an air blower in their car, and since we had 1 experience with the damp carpets, our manager requested the air blower/dryer. The technician was willing to drive back to their office to retrieve the requested tool. Even though the job started about 45 minutes later then scheduled due to our request, the technician did not rush the job and still did a very thorough and careful cleaning, just like our first experience.
We definitely recommend CSI Absolute clean, and would use them again for our cleaning needs.
Angel and Saul came out today to restore the marble floors in my kitchen, foyer and back entrance. They worked wonders on the few areas I pointed out, bringing them back to their original shine and luster. I am very impressed wth their ability to bring my floors back to the way they looked the day they were laid.
Both Angel and Saul were very polite and respectful, as was Cesar when he came to price out the job. It is very refreshing to find a company with proper customer service that provides such high quality work. I highly recommend this company.
I am absolutely amazed at how great the customer service and workmanship was, my husband and I were very pleased. Our e-mails requesting a quote were responded to quickly and very thoroughly. Scheduling an appointment to get our shower marble cleaned and re-caulked was easy. We also got our marble master counter top re-finished the same day. The technician, Angel, was on time, courteous and is a very hard worker. After a few DIY caulking jobs to the shower & counter top, he really had his work cut out for him! Shower and top look new. They are not "cheap" but you get what you pay for and this case it was well worth the $$
CSI did an amazing job restoring my marble kitchen counter top (looks brand new!) and cleaning my bathroom tile. I was debating on replacing the tile, but after CSI cleaned the grout, replacing is no longer needed. It's beautiful. Angel did a great job. He was extremely thorough and meticulous with detail. Angel explained the process and was very professional. HIGHLY RECOMMEND CSI and ANGEL!
Great experience from beginning to end. Will definitely use again. I've already recommended them to several people.
Harvey and Saul were professional and responsible in the way they explained and conducted the refinishing process of my bathroom marble vanity. I am very pleased with their work. I also appreciated the precautions they provided and the recommendation for a glossy finish. It looks as good as new. Thank you CSI. Also thanks to Teri for working with me on the scheduling.
Service is superb, from the estimator to the floor polisher. I asked that they sand, seal and polish my Limestone kitchen floor, using a low shine. Instead it turned out to be a high shine, which I didn't want. They did come back, ensuring that they would do what's necessary to ensure that I was pleased. As it turned out, I decided in the end to keep the shine but asked that they polish it more. The polisher came back and did whatever I wanted, not completing the project until I was satisfied, which I thought was great service.
Did great work on the sofa and area rug. I give them props for carrying that cleaning machine up 3 flights of stairs.
CSI is the absolute best at what they do. This is my third time hiring them and this experience was just as great as the first time. I hired CSI to clean and reseal my natural stone walk-in shower. It had mold, water stains and years of built up soap scum but Andre, the technician they sent, did a phenomenal job making it look like it was brand new. I can't recommend them enough. They are professional, friendly, prompt, reasonably priced and really know what they're doing. Stop looking around and call them now.
CSI did a great job! Angel was very professional and did an awesome job on our two sofas! Even found a ring I had lost years ago:)
We had CSI clean our marble foyer, bathroom floor and shower. They did a fantastic job. They were able to remove some really tough stains. Everything looks great and I would use them again. They were very efficient, professional, and reasonable.
This team was on time for both appointments, pleasant to deal with, informative, and at the best price. Thank you!
Angel did an excellent job on our shower! Our stone was stained and discolored and he made it look good as new and was extremely professional and efficient. The whole process was simple and easy and the CSI team kept us informed and updated every step of the way. We would 100% use CSI clean again and would highly recommend to anyone looking for an excellent shower clean!
These people are gooood! I had a reservation at 9, this gentleman who is very young shows up promptly at 9 and gets down to business. We had 5 chairs and an area rug that needed cleaning. One of the chairs which is cream colored had a water stain on it that I was hoping can be removed. The guy spent a good half an hour on that chair making sure there is nothing left of the stain. He cleaned everything immaculately.
Make sure to note ahead if you want solvent based cleaners so that they will bring them along. Will definitely call them again if we need cleaning again.
Angel did a fabulous job in cleaning my carpet. He even added a room that was included in the estimate. What a pleasure to have Angel in my home. A real gentleman. Can't express enough great comments about this fine company and its excellent employees. Will definitely use again.
These guys were very professional and did an excellent job. Earl came over to redo the grout on our shower and ended up cleaning up our jacuzzi tub grout free of charge. He was great and we'd gladly work with CSI again.
CSi did a great job on our shower! I had years of stains and mildew that turned black, and Andre came out and made it look new. He was super nice, paid great attention to detail. He matched the missing grout perfectly, and resealed everything. I would use them again anytime. Thank you!
This place was really great, I called asking a big request and they pulled thru like it was easy breezy, I had called to get my couch cleaned, after getting sky high quotes from everywhere else, so irritated! I called CSI and the nicest guy set up my cleaning, for the next day!! I needed to get it done before I left on vacation, I got my couch, ottoman, and an area rug done for 150! After a million phone calls I am so glad I found them, I was about to settle for the 250-300 range I was getting everywhere else!
Seriously that alone made me happy, they were super professional! They did a great job cleaning everything and in an extremely timely manner. Could not be more happy with my services here! This is your place of your looking for a reasonable, professional cleaner!
We received amazing service from CSI! We had some staining on our natural stone countertop. CSI came out free of charge to assess the situation. Instead of trying to sell us pricey fixes that had little chance of success, the technician very honestly explained that it wouldn't be worth us paying to fix it through CSI. Instead, he steered us towards an inexpensive product we could get at Home Depot. In addition, the technician very patiently answered all our questions and directed us to videos to help us with the self-fix (and even followed up with an email with the link). If we are able to fix the stain ourselves, they mentioned that then they could come out to do the sealant. I can't recommend this company enough. They were on time, polite, honest, patient, and clear experts. If I get the stains out of my countertop, I will 100% be using them to seal my counters. Thanks again, CSI!
Just had my first experience with CSI and will definitely use them again in the future. I had them strip, clean, and seal slate floors in our kitchen and ceramic tile and grout in our bathroom. The tile and grout were both very dirty. First, I really liked their website and how they introduce you to all their employees. A company that spends the time showing off their employees definitely cares about them. The estimate guy, Earl, was very nice. He seemed to be very knowledgeable. I do wish he would have explained my options for sealants more, as I knew nothing about this. I received the estimate a few days later and was actually able to schedule the work the next week. When the technicians showed up I saw that they held true to what the website showed -- they really were friendly and passionate about the work they were doing. They spent time talking to me and showing me the options. They even did a few example test areas on my floor so I could see what it looked like. I learned so much from talking to them that I decided to use a different type of sealant. The job ended up looking better than I expected. Plus, they finished 4 hours earlier than expected. The office promptly gave me a credit for the difference in labor and supplies. I would definitely use them again. My only advice would be to make sure you do a little research ahead of time if you are getting your floors sealed like I was. These guys know what they are talking about and you will definitely be able to get exactly what you want done at a good price. Also, I was really impressed too with how clean they were. They noticed there was some dirt left on the floor and they cleaned it up right away without me having to even ask. They were super polite too. Great job and great company to work with!
After contacting numerous contractors to see if they could remove a clear, discolored glaze from a raw concrete wall, I was pleasantly surprised with CSI's professionalism, scope of service and knowledge base, which was impressive from start to finish. I had 5 business days between closing and move-in and with a few days notice, Teri managed to re-arrange schedules to complete the following, while working around painters that were in the unit during the same time.
- Strip clear glaze off of raw concrete wall. Note that 5 other contractors stated that this could not be done, including those recommended by the building! (Earl even arranged for a HEPA filter to be installed in the unit to prevent potential respiratory issues and left it for a day after service was completed!)
- Deep clean and seal limestone/marble/granite tiles in the kitchen, master & guest bath, including buffing of master bath counter from a matte to semi gloss finish.
A big shout out to Cesar, who came out to review the work required and answer initial questions, Earl and his staff for his impressive knowledge and attention to detail on the concrete wall project and Teri for her attentiveness and sense of urgency. All staff were an absolute pleasure to work with. Additionally, either Earl or Teri emailed me with daily status updates and pictures reflecting the progress made. All work was completed on schedule and exceeded my expectations.
To sum it up: Pleasant, knowledgeable & professional staff coupled with an uncompromising quality of work and competitive pricing!
I cannot say enough about the job these guys did!! Cesar came and did the estimate, Angel and Jose did the amazing job. My floors look amazing!! Years of wear and tear, stains, and discoloration all gone! At first I thought we would have to replace the whole floor!!!!! Everyone was professional, prompt and communication was wonderful! (I love getting arrival time calls!) I just couldn't be happier with the results!
Excellent job cleaning the tile and grout in both bathrooms. Looks brand new!! The employee that came had two objectives, doing the best job he could and making sure I was satisfied with his work . Don't waste your time looking around for another company. This one is the real deal .
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