StoneClean & Strip Notes

StoneClean & Strip can be used ,as the name implies , as a remover of coatings. The pH is between 10 & 11 which means it is alkaline in solution.

Alkaline ,but not too high pH to harm polished marble flooring! Sometimes a more aggressive approach to cleaning has to be made.

Suggestions for Usage:

  1. Start with a higher dilution to see what results you are getting. This means to try 1/10 dilution first. One part StoneClean & Strip to 10 parts cool to lukewarm water ( never hot).
  2. Adjust dilution to as high as 50/50 or 1/1
  3. Allow sufficient dwell time for floor to remain soaked. This will allow time for the special surfactants to break down the dirt, grime, coating. Allow at least 5 minutes to 15 minutes dwell time before scrubbing
  4. Care needs to be taken not to allow cleanser to dry into the floor. Work in manageable size areas to keep edges wet and not dry out.
  5. Scrub well and rinse well. You may find that you will see the water still dirty after tow or three rinses as it will continue to float up deeply embedded dirt!
  6. coatings not totally removed : allow the floor to dry completely before a second application. Check to see what the name of the coating or wax is called and find out if they made a stripper specific to the coating. I have run across coatings that cannot be totally removed! This makes it especially hard to get the grout joints clean as well

No two jobs deep cleaning will get same exact results so be aware of the challenges.

Good cleaning to you all


Tile & Marble Grout Cleaning

When my wife and would drive and stay in Hotels I would alsways bring a spray bottle of StoneClean & Strip. Most of the bathroom floors were not very clean! A quick spray and allow time to soak, then a good scrubbing would bring up and a lot of dirt, grime, and fungi.

Once while staying in Omaha , NE , I cleaned a bathroom floor in the room we were staying at. The visual effect was amazing. I found the Excutive housekeeper and mentioned I would be happy to do a sample clean. She called a housekeeper and had me go to a bathroom they have been working on to clean the floor. She said, ” we have worked hard on this floor, can you do anything?” I told her it should not be a problem.

Within 15 minutes the floor and grouting were much, much cleaner than before! She ,and all the maids and maintenance  staff came to see. They also were shocked at how fast I cleaned the floor.

They ordered two cases of StoneClean & Strip!

Not every floor cleaning project will have the same desired results. Not all come as clean the first time. The assurance is that it likely will be much better than any previous efforts!

Give StoneClean & Strip a try.

Stan Zimmer

StoneClean & Strip Deep Cleaning

StoneClean & Strip is a super effective deep cleaning agent for most all floor types. Safe for polished marble grout cleaning. 

One client of mine used StoneClean & Strip to clean a concrete floor in a shop. They throughly wetted the floor and while they were waiting and getting ready to scrub the floor they noticed something: oils from the floor were floating to the top of the water! StoneClean & Strip had started the cleaning action before they had a chance to scrub the floor!

Other stories to come as well about this amazing cleanser.

StoneClean Concentrates Float

All StoneClean Concentrates are exceptional and grabbing the dirt and grime and then floating it to the top to be mopped away. 

My first time using StoneClean 104 was deep cleaning a Saltillo tile floor that had not seen a mop and bucket for years. I was shocked to see how where I mopped the floor came clean where I rinsed. 

The homeowner was shocked as well and then ordered six gallons. They probably still have product left! 

One homeowner in Kansas City commented that her grout was coming cleaner with each cleaning without scrubbing. The surfactant based cleaning chemistry puts the cleaning solution into full contact with the floor allowing it to work deeply better than any other product I am aware of today.

I will comment on StoneClean & Strip tomorrow.

StoneClean 60 Outstanding Wood Floor Cleanser!

Most ,who use StoneClean 60 , are unaware of how effective it is to clean wood floors. Since there are no detergents to leave any residues it make the floor look and feel cleaner longer than most products.

I had one client in DesMoines Iowa who loved it since it made their clubhouse floor less slippery when wet. Slip fall issues are lessened when a cleanser leaves no residue behind. 

Since StoneClean 60 is near neutral pH it will do no harm to floor finishes. Give it a try you will like what you see and feel.

StoneClean 104 Simply the Best Cleanser on the Market!

You get what you pay for is a common saying. It also applies to how a product is crafted and its make-up. StoneClean 104 is crafted in a way to be a continually active cleaning agent! This mean that it is effective even in high dilutions. 

One ounce per gallon can produce an effective cleaning solution. Two ounce per gallon even more effective. One client in Salt Lake City complained about the cost of 104, yet it won him a few contracts by proving to the owner it works better than previous ones.

Super effective at not only breaking down the dirt and grime, but also in lifting it to the surface to be mopped away completely.

Give StoneClean 104 a try and you will see value for your money by getting results. One client asked me it 104 had polishing agents in the make up of the chemistry. He said his granite walls and floors shine like never before. I told him that now he was viewing the floors and walls with no detergent residues clouding the natural shine,

Best Marble Cleaner

StoneClean “60” is a superior cleanser for polished marble and limestone flooring. 

I have been using and selling this specialty cleanser for the past 20 years. In my business of cleaning stone and tile I have never found a better one for daily/ weekly cleanings.

No detergents to cloud the surface. No residues left behind to re-attract dirt and grime. Floors stay cleaner longer. Grouting gets progressively cleaner.

Once on a business trip to the Twin Cities I was asked to look at a floor lobby in a large downtown St. Paul building. They were concerned about visual swirls in the floor finish.  I told them, ” Let me clean the floor with StoneClean “60”.” They relied that they had already cleaned the floor. I mentioned that while I was there I would like to clean a small section of the lobby with a mop and bucket. They said ok go ahead. The water was black by the time I got done cleaning a small section!!

I told the night crew and the building manager that for years they have been buffing dirt and daily grime into the floor! They were shocked to see the water in the bucket. Did they buy several cases? No , it was too expensive they told me.

Sad but true story

Please give it a try today

Stan Zimmer

The StoneClean Blog

My experience with the StoneClean Concentrates started several years ago in Iowa. I had started a marble cleaning business in Avon Colorado in 1985.  After moving back to my home town in Sac City, Iowa I continued my work. 

I got a job at one of the local banks in town to freshen up their marble lobby. Before that job I was sent a sample of a special StoneHardener to try. It was called then StoneHardener 2 Polish. Wow did it pop up the Shine on this hard green limestone floor!  The cleanser I provided was from Germany.  A special ” stone soap” that was suppose to be great. It was not! Bank presidents wife told me it was like just moving dirt around and did not clean well! 

I decided to call the company who had sent me the sample and they proceeded to send my a sample of StoneClean “60” and the rest is history as the saying goes. It far out performed any I had ever used and continues to out perform all the rest on the market today! 

I hope to share some of my successes and observation in using the 4 special cleaners that make up the StoneClean Concentrates. Line of Cleansers from the Richard James Specialty Chemicals Corp.


Stan Zimmer

Marble Shine Services

Please read this special report: Covid-19 Updates and Immune Health Notes

Value in Being “Green Spirited” Rather Than Being “Rules Green” in the Field of Coatings, Sealers, and Cleansers

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When “Natural” doesn’t necessarily mean “Green”.When being “Rules Green” (Certified) may not be as good as being “Green Spirited”- caring about the quality of what you use in your life and Hotel. Just because a material is natural doesn’t mean it is good for the environment. Consider that every spring millions of pounds of peat is used as potting soil and garden ground cover. Did you know that 1) harvesting peat releases carbon dioxide, a known greenhouse gas? 2) Peat bogs have amazing ability to remove harmful impurities from water? 3) Peat bogs hold 10% of the worlds fresh water? Using peat may make you feel good using a natural material but does it mean it is good for the environment?

Do you get the idea of being ruled by “rules” or governed by the “spirit” of being environmentally friendly.

Also consider the trend to grow corn and soybeans for fuel. Growing more requires more tonnage of petro-chemical derived chemical fertilizer/pesticides. Fuel efficiency is less than the old alternative and oil is still consumed to produce the “natural” byproduct used in fuel. I lived in Iowa and still did not use this fuel for my car! It has a lower BTU value so you get less miles per gallon. Am I belaboring the point? Probably but please read on.

It matters also the company you keep and support when considering being “green”. This is why I have chosen to represent the Richard James Specialty Chemicals Corp. and the products they produce for stone, tile, concrete, and a host of other substrates. I hope you will agree with me that they have some of the finest products anywhere in the world. Let me explain why I say so in regards to environmental issues.

The term environmentally friendly is a widely used and poorly defined cliché’. RJSC cleansers & sealers and finishes have all three elements to qualify as “environmentally friendly”…..absence of toxic compounds: short bio degredation time: and “rinse-ability free”

All these advantages come with when you choose their StoneClean™ Concentrate line of cleansers for all your regular cleaning.

First is the absence of toxic compounds in RJSC products.  Surprisingly many cleansers make you believe they are eco-safe by using the grapefruit extracted concentrate d-limonene [orange or lemon smell] that is actually quite toxic. It is first cousin to kerosene and is not biologically friendly at all. Its bio-half life is very long and it is amazingly toxic compared to many other cleaning agents. It gets good press value since it is extracted from grapefruit rinds. Look at some of the labels and warning about “orange” type cleansers- “If skin contact rinse with water for 15 minutes” sounds like a dangerous product to me!

Secondly, RJSC cleansers have short bio degradation time AND [very important] none of the degradation products are themselves toxic. RJSC’s StoneClean“104”, for instance, may have the shortest degradation time of any heavy duty degreaser. The chemistries of industrial cleansers are typically VERY high impact. StoneClean “104” is not only fast in environmental breakdown, it is also truly neutral pH and low toxicity, while at the same time unusually effective in capturing oils/grime and transferring it to the  mop head to be rinse away in a bucket. One client asked me if “104” had polishing agents for their polished granite floor. He said the shine “popped up right away after the first use of  the product”. I then told him that now he was seeing the granite without the soap scum haze that has been left behind by inexpensive cleansers that use either sodium or potassium phosphates!

Another earth friendly spirited way it is crafted is the fact that is a salt free cleanser! Excess salts in our waterways are creating havoc with water treatment centers. ( typical water softeners that use salt should be outlawed!- for a whole house water filtration that does not use salt please ask me!!) This means that being green “spirited” also means to consider whether a product is “drain friendly”! Look at the label of ingredients and if sodium or potassium are in the names of the cleaning agents then are you really green in spirit or intent?

Third, and importantly, is the “free rinse-ability” of RJSC products.  If a product leaves a scum on the floor it will also leave a scum on the environment it contacts.  Many cleaners require multiple rinses whereas RJSC cleansers float free with the first rinse. (this also saves in labor time as well)

Soy derived cleansers leave behind residues that by definition provide food for fungal growth. This starts another important point to cover: the control of mold and mildew environmentally! Lawsuits and litigation experts agree that this is a “cash cow” of legal proportions. Problematic,is that often solutions to cleaning mold are also toxic in themselves, and that by definition add to the overall “problem” of mold concerns. A mouthful of words to say, “let us look at a different way to control mold.” – Chlorine bleach has a VERY short lived anti-mold activity. The dirty environmental fact is that chlorides and chlorine derivatives react “downstream” with organics in the water to produce carcinogens. This is why straight bleach is no longer used in many drinking water systems. –

Safely removing mold without resorting to using any type of chloride chemical is key to protecting the environment of the drain and waterways. StoneClean™ Plus is an excellent product for the specific purpose of making surfaces resistant to discoloration, odor and degradation by microbial and fungal contamination. Itbreaks down the chitin shell of the fungal growth makes it a much safer way to remove mold/fungal growths. It also contains Vantocil IB for an FDA approved antimicrobial for food service use. Many are fooled into believing that for such a nasty job you need nasty strong chemistry. Looking at the labels of such strong chemicals proves they are not good for the environment and also the end user. One such label says to avoid any skin contact and to flush your skin for 30 minutes if it comes in contact with your skin! A friend of mine uses such a cleanser in his cleaning and mold remediation service. Look at the kinds of bathroom cleaners used for the hotel guest room floors and showers.


RJSC designs their sealers and cleansers with the specific thought of bio-half life and toxicology of all inclusions. Biodegradability of surfactants and de-foaming additives is a concern as these are usually not regulated except in the case of fluorocarbons and heavy metals. A farmer friend of mine thinks that some agricultural chemical surfactants never really break down environmentally.

I think you will actually be shocked to find out how the combination of right chemistry and environmental safety can outperform ones that claim “Rules Green” / certified! Safely cleaning floor grouting without resorting to acids or strong pH cleansers is another way to test how well they clean! They are all safe for delicate substrates like polished marble as well.

The next area of concern being dealt with in the article is the chemistry of sealers/ finishes. Solvent borne coatings have been around for over a hundred years. Only recently did science come up with acrylic and polyurethane resins that were solvated in various hydrocarbon solvents to produce widely used coatings that are still applied today (albeit illegally in many states).

As air quality concerns elevated to new awareness in the 70’and 80’s, there was an undercurrent of dissatisfaction with the vapors, inherent toxicity and flammability of solvent coatings. The letters “VOC” became a more recognizable standard to judge whether a coating was toxic and to which degree. VOC then became the newest regulatory datum.

RJSC was the FIRST manufacturer (1992) in floor coatings/treatments to open its business exclusively with waterborne coating and sealers. Since that year they have developed a host of other products for virtually every kind of flooring/ substrate! They have a menu of at least 9 industry standards to measure their coatings. They consistently meet or beat solvent systems in virtually every performance dimension!! This is especially true for abrasion resistance, flexibility, tensile strength and of course flammability.

Among the first products introduced by RJSC in the early 90’s was StoneLok™ “MLT Plus”. The first big application was in 1993 at Penn Station in NYC (with traffic of 500,000 people a day). It was selected because it was the only product MTA management could find that met their stringent air quality tests. It saved them several hundred thousand dollars that would have been spent venting the fumes from this 24- hr/day facility.

The flamed granite is still easily cleanable to this day. StoneLok™ sealers are now specified for installations from museums, hotels, retail spaces, and finer homes.

The real spirit of “Green” is much more complex than the current idol of VOC, or volatile organic content. Most resin systems other than 100% epoxy need some solvents to gain required performance. Most state VOC requirements are generally in the low 200 g/liter level but there are several areas where 100 is the max and we can only see this trend being amplified lower.

Low Impact Green in Spirit (Low Environmental Impact) must therefore consider appropriate VOC for air quality, PLUS low bio-toxcity, low contact irritation and fast bio-degradation.

Small amounts of solvents are found in almost all sealers including waterborne products. Many pose no air quality threat and are low in toxicity. Some solvents are higher in impact. Ethyl-group glycol ethers (butoxy ethanol) are used in waterborne coating, and “EB” was the solvent in original Windex and 409. This chemistry is metabolized in the body with some by-product liver retention.

RJSC uses Glycol Ether Acetate that has a safety rating of “1” (safe) without DOT toxic shipping. Glycol Ether Acetate is generally metabolized and passed thru the body with no retention.

It is interesting to note that they supplied product for a job at The National Bureau of Technology and Standard (nuclear lab). They had to demonstrate the uniquely “safe” catalyst chemistry. The officer was totally unconcerned with the Glycol Ether Acetate. The product was also cleared for use by an equally stringent safety officer for a major airplane manufacturer.

RJSC has not undertaken the time and expense to gain “Green Rules” for their sealers since when the coating system is cured, it is chemically inert and therefore does not emit, exchange or degrade into biologically hostile chemistries. Also, unlike high- and petroleum- solvent sealers that emit “volatiles” for months, RJSC sealers emit the low-level biologically acceptable propisols only until full cure (usually four days).

As chemically inert system, they do not provide nutritional basis for microbial growth, and with its overall chemical resistance, it can be cleaned with a variety of microbial cleansers!

This sort evaluation of being “Green Spirited” as opposed to being “Green Rules” shows that it is what a company does, not what it says, and pays to have advertised that matters most!

RJSC rarely advertises and for that reason sometimes my site gets lost in the shuffle of big business contracts and deals. It is the hotel GM, building manager, janitorial supervisor/owner that truly wants to be “Green Spirited” that will sort thru all the hype, read the documentation and choose the best overall products for their facility. I hope you will contact me for further direction into how this special, low key company, can help you also to become not only green compliant, but go further and become green spirited in nature of your business or home!

Stan Zimmer

Preventing Floor Failures: Surface Maintenance- Surface Protection

Preventing Floor Failures: Surface Maintenance- Surface Protection

Many companies are making a living by diagnosing and making determinations as to why a floor is experiencing failure. Legal protection and burden of proof makes determining why a floor has failed big business!

With increasing sophisticated methods and tools now available for recognizing and addressing vapor emissions and moisture problems, there is and ever-growing awareness of these “down-up” problems in the construction and related industries. The result is that owners and contractors increasingly assume that these “must” be the cause of tile, stone, and VCT floor failures.

There are other widespread causes of hard surface failures that are little understood , therefore often overlooked. these are the “up-down” problems that are fortunately quite easy and relatively inexpensive to solve by proper protection of the surface at the time of installation, and proper maintenance on an on going basis.

Addressing the “up-down” problems at any time in the life of a floor can often also prevent premature floor failures.

Consider: Any seamed, grouted or damaged floor is subject to various types of contamination seeping seeping through junctures to the base substrate. Soap and detergent cleaning agents, oils, salts and acids can all create conditions for lifting and buckling of hard-surface floors.

Many common cleaners use a variety of inexpensive compounds that make the cleaners appear to be highly effective but these compounds can cause severe damage to the flooring adhesive or to the bse substrate when they seep into junctures. This is especially true for the new low-VOC trowel adhesives that all become brittle and easily broken down by these chemistries.

  • Popular citrus-based cleaners contain a product called  d-limonene, a petroleum related product chemically that over time will break down adhesives and concrete. (Just soak either in this solution and it will eventually turn to mush)
  • Acidic cleaners that flow down through junctures will slowly create an environment that when re-wetted can cause concrete and all cementitious products to powder. This powder layer will eventually “lift” as it becomes less and less homogenous to the substrate.
  • High pH strippers (especially those with high amounts of potassium or sodium phosphates) and / or dirty water that seeps in an remains trapped under the flooring (and especially spaces between the rubber backing of small bathroom tiles) are idea sites for mold growth from these contaminates. As mold takes hold and begins to grow, it takes up increasing amounts of space, and starts the process of delamination. While many anti-microbial products are helpful, all have a short effective life, and any interruption in treatment will allow mold growth to re-start.

Preventing penetration of adverse chemistries into junctures along with the use of non-damaging advanced technology cleaners and strippers can prevent failure of new installations and stop deterioration of existing installations.

The first task is to seal seamed, grouted and damaged floors such that future contamination will not occur and the floor is given a durable overlay that can be cleaned and refreshed over time.

The second task is to use cleaners and strippers that actually “float” contamination “up” and “out” rather than just break it down and ultimately make it easier to penetrate damaged junctures of the flooring. The cleaners must also not contain harmful chemistries that can damage the flooring  and that leave residues that can react out later when re-wetted. No soapy residues left behind will mean no dangerous slippery floor when cleaning or after cleaning. The added benefit would be that they are effective highly diluted and deliver a pristine floor.

Polished marble is a good example of a floor needing gentle chemistry so as not to dehydrate the stone and cause deterioration. One client of mine was concerned about that and I told him to use StoneClean & Strip™ in lukewarm water highly diluted. He said that the daily cleaner StoneClean™ 60 was slowly cleaning the grout every time he cleaned the floor! (please read more about StoneClean™ Concentrates on my site)

Please contact me if you have any questions. For complete information about the specialty sealers and grout sealer please visit

Please read this special report: Covid-19 Updates and Immune Health Notes

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