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the issue was, the adhesive would not bond to the surface and it seemed to disappear,,,
observations, hard slick looking concrete surface, smooth and slick to the touch, some slump, pH test, see the photos, suggest recommendations to correct  |
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I can see the white color on the surface....
No wisdom, just facts. |
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Senior Member |
I see litmus paper and water.
Mike  Too old to rock and roll, too young to die. |
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yes,
this is the one talked about, I looked for more photos, they called back Friday, said the "screening" was all they could find,,,any suggestions, I asked why they did not rent the dustless grinding system, they said the distributor had one but it was back in route from repairs, I gave the sales guy two more names to call,, here is an interesting side bit to this,,,,the building contractor, called the Architect and a lawyer, asking what is the flooring contractor's responsibility? Both told the building contractor no responsibility if he does not install,,, years ago, I had told this company not to install if they got there, and saw a problem. They were to call the building contractor, well, this building contractor keeps trying to get the retailer to accept responsibility for a slab he did not pay for, did not pour and did not finish! now, the building contractor, not my commission agent, wants me to "supervise" the grinding and all that...or put in writing suggestions or how to correct it...I said no, my only job was to find out why the adhesive failed for the retailer, not help him correct HIS problem... years ago, I told this retailer, don't move forward if there is a problem, not to make, other people's problems his problem,,,, Ray, hint, that is a good tab line for L.V.,,,see, I am nice giving you good counsel and advice,,,,hope you learn to follow the master!  just teasing, but, that is a good tag line,
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when in the concrete sealing and repair industry:: when the Silicate sealer did not penetrate, the concrete was white-ish and nothing would stick to it. That 904 sealer is the pits.
have to sand it off or grind it or bead blast. No wisdom, just facts. |
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Subfloor Solutions out of Charlotte wants to shot blast, and cover with 1/4 top coat,
I respect your and others here superior knowledge on this subject slt |
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I think you need to consult with Perry. I'm sure he took a 10 minute class from somebody and is the resident genius on this matter. LOL |
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senior member |
I was calling around on some concrete sundry suppliers one day and ran into this one guy who knew alot about concrete....anyway the discussion turned to sealers for tilt=up construction. I was telling him about how those sealers create bad situations for the floorcovering industry. He never even heard about that before,
I bet if you call any concrete person out there that sprays this type sealer on the slab have never heard of the problem and dont give a hoot either. |
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I think what Selva ran into was a Penetrant sealer that did not penetrate. If it does not penetrate, it stays on the surface acting as a bond breaker and surface sealer (smooth).
Sodium and Potasium Silicates have been around a long time and they work pretty well if they get INTO the slab... Did you read the specs on the one sealer an adhesive manufacturer puts out on their Sodium Silicate: Good up to 5# of vapor emissions....... what good is that? I think its 906? When there is a failure and it does not penetrate; they use the excuse "you installed the flooring too fast and sucked the sealer out of the slab".... horse manure !! BTW: the pH of Sodium Silicate is over 12... (keyword: Sodium) |
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thank you, just taught me something and I do appreciate it, thank you |
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They create a bad situation for the victims of hacks. For me they're a money maker. |
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Overkill...just take the creme off. |
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I agree with that, take the cream off,
but, these people have no idea of what they are doing, and, they have made it clear if I offer any suggestions, they will want to hold me responsible,,,,to the tune of 15,000.00,,,even if that is a joke, I would have to hire a lawyer to write up the joke papers, |
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Over kill or just making more money than you would khaos? |
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I don't know your situation but I would prep four sq. ft. do porosity, pH and bond tests on that area before I made a final decision.
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If it needs to be done I do it. I like profit as much as the next guy but doing work that is uncalled for is robbery. |
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The only 100% sure fire way to get that damned sealer off and open up the concrete surface is to bead blast. |
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senior member |
So, moisture testing concrete is "uncalled for"? Where is that in any industry standards or installation giudelines? Have you read the sticker on the MVP lately? What adhesive manufacture says there is no need to moisture test prior to installation? |
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I'm sure there are instances where it is called for. Don't see why the client should pay if you're gonna seal it anyway.
No, not lately...but I know it's a recurring drama. I don't know...although I'm aware that a few refer to floor manufacturer's recommendations that often accept CME testing. Many have a 3# limit which is really code for you should seal it. |
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