Limestone siding cleaning help needed - Cleaning Talk - Professional Cleaning and Restoration Forum
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post #1 of Old 06-21-2019, 06:39 AM Thread Starter
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Limestone siding cleaning help needed

Hello there,

I'm new to the forum, so...

What methods/products do you use to clean limestone sided houses?
As a homeowner (not prowasher) I've tried a couple of commercially available house washes, used them as directed and was disappointed with the results.

I went back to my tried and trusted SH mix, along with general power washing and was please with the results. The true soft wash method removed very little green and black mold, it took power washing to get most of it out. I would say that with all the rain we've had in Central Texas this year, the black mold is deep in the porous limestone.

Do you know of any other method or product to remove the deep black mold?

Also, since limestone is so porous and with the current heat we're experiencing, I'm having a hard time keeping the stone whetted while working, the SH and soap mix I use seems to soak in within seconds. Would a commercially available surfacant work better than common dish soap for this application?

Thank you for your time, Bill, Austin, TX
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post #2 of Old 06-23-2019, 08:23 AM Thread Starter
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A follow-up question:
Would an algecide topical application recommended for the limestone walls? If so, what are some reputable products to test?

I see folks are looking at my original question... but nobody has experience with limestone?
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post #3 of Old 07-06-2019, 05:28 PM Thread Starter
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Okay folks, many views and NOT ONE reply to the questions. YES, I am NOT currently a "professional" but I am aspiring to become one.

I would appreciate an intelligent and answer from someone so I can determine whether this is a business I want ot put my energies into.

I enjoy the results of a great job done for someone, but I need help to determine if it's feasible in my area and to what extent I need to invest (time and money) to make a go of the business venture. Sure, there are competitors, But Central Texas is booming with an opportunity for me, IF I can get some help with basic info.

I UNDERSTAND that I can go to Doug's school (in Houston) and get an education, but before I spend that money I need to know If my basisc premise will work.

I appreciate any info/comments you may have.
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post #4 of Old 10-10-2019, 01:30 PM
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Location: Dublin
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I own a floor cleaning company and we specialise in marble & limestone cleaning. We use Exterior Brick Cleaners (acid) to deep clean limestone & Faber P147 to seal it. Amazing results. If you are looking for a great limestone hardener, try Faber Limestone Densifier. Amazing little product. You can bu it online

Commercial & Domestic Carpet Cleaning Services
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post #5 of Old 12-19-2019, 12:38 PM
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There are a number of ways to make the task you are asking about easier and longer lasting. One such technique is to protect the stone once it is clean so that moisture does not promote the growth of algae. When we receive questions about product uses, we refer the customers to our technicians so they can learn the specifics about the project. Since every task is unique in some way, finding out the details helps tremendously.

After knowing what specific variables are involved, the right products can be recommended. But the short answer is that there are algae inhibitors and sealers that might work well for your particular situation.

Kitchen Counter Care Products - Lustro Italiano
Products for the Stone Industry - Tenax4You
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post #6 of Old 12-20-2019, 05:29 PM
Join Date: Dec 2019
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Hi Bill,

I think you are worried about House Cleaning Services. As some peoples already have answered about your questions but if you still have any query can ask.

Last edited by Billy Burger; 12-20-2019 at 05:32 PM.
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