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Bob Higgins
Bob Higgins
  • 58, Male
  • San Diego, CA
  • United States
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Bob Higgins's Discussions

Moisture Testing over concrete - here are the facts, Part 1

Started this discussion. Last reply by Stephen May 7, 2011. 9 Replies

DIY pH Indicators strips

Started this discussion. Last reply by Bob Higgins Aug 16, 2010. 6 Replies

Preparation of Concrete for Moisture Testing - is it REALLY necessary?

Started this discussion. Last reply by Stephen Feb 3, 2010. 8 Replies

 

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pH Testing - it is NOT being taught correctly

pH Testing Necessary, but MisunderstoodTo ensure concrete moisture testing is accurate, it is imperative that pH testing be conducted to determine the concrete is clean, open and without any adhesives, coating, curing compounds, etc. pH testing should never be separated from “moisture tests” because without knowing the pH value, the moisture results could be VERY confusing, leading to incorrect diagnosis and/or subsequent repair/remediation.What pH testing doespH testing shows if the concrete…See More
A discussion started by Bob Higgins was featured Dec 12, 2009
22 Comments
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2 discussions started by Bob Higgins were featured Oct 26, 2009
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Bob Higgins and choppyguy are now friends Sep 23, 2009
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Carl Williams - Loss of a good guy and a major influence

One of my associates emailed me this morning and informed me that Carl Williams had just passed away, stated as complications following a heart attack.I first met Carl back in 1993 and after talking quite a bit, he invited me to sit in on one of the classes he sponsored through the ATF. My comments and observations caused Carl to draft me into becoming one of the Instructors for ATF, and thus began a long time friendship as well as a mutual resource.Carl was an unforgettable personality and a…See More
A discussion started by Bob Higgins was featured Jun 1, 2009
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Bob Higgins replied to Stephen's discussion 'Howard Kanare Speaks Out On Moisture Emission Tests'
If the bottom slab is restricted on all 4 sides, I see no problem placing another slab over the top if there is a plastic membrane between them, but with another 4 inches of concrete, there would be problems with doors, etc. Alkali actually means a…
Apr 16, 2009
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Bob Higgins replied to Stephen's discussion 'Howard Kanare Speaks Out On Moisture Emission Tests'
Oh Boy...Melvin, there is an assumption that anything coming out of the concrete is alkali..that actually sounds like you have a sulfate condition, which is a NASTY problem! What I call the 'poor-man's chemical analysis'..it to take a…
Apr 16, 2009
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Bob Higgins replied to Stephen's discussion 'Howard Kanare Speaks Out On Moisture Emission Tests'
testing for alkalinity is tricky...one of the telltale signs it is very complex is when the litmus paper "rainbows" (turning multiple colors)..STOP and get the concrete analyzed. Too often people wait to see what the final color is before…
Apr 15, 2009
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Bob Higgins replied to Stephen's discussion 'Howard Kanare Speaks Out On Moisture Emission Tests'
I couldn't possibly disagree with this statement by Mr. Kanare more. Relative humidity is MORE affected by temperature than any other method of testing. In turn, this makes RH testing as a predictor completely unreliable when being used as a…
Apr 15, 2009
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Bob Higgins commented on Stephen's blog post 'Installing Moisture Sensitive Materials Over Fresh SLC'
The moisture testing for SLC is a bit misleading. Most if not ALL of them contain some cellulosic materials and other materials that can actually exaggerate the readings. Much of this moisture is not "free" moisture, some is chemically…
Apr 14, 2009
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Stephen left a comment for Bob Higgins
Bob, thanks for joining flooringinstaller.com, again!
Apr 14, 2009
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Bob Higgins is now a member of Flooring Installer .com Apr 14, 2009
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At 6:27pm on April 13, 2009, StephenStephen said…
Bob, thanks for joining flooringinstaller.com, again!
 
 
 

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