PaintSquare.com
      | Connect Follow us on Twitter Like us on Facebook
About | Subscribe | Advertise
  

 

Get on-line education from the Pro Video Learning Series.

F-Files: Mechanisms of Failure
The contractor who almost got floored

From JPCL, May 2013

More items for Coating Application

by Raymond S. Tombaugh, PCS, KTA-Tator, Inc. and Richard A. Burgess, PCS, Series Editor

...
(Login to read the full article)

   

Tagged categories: Case History; Coating failure; Concrete; Concrete defects; Concrete floor coatings; Failure analysis; Floor coatings; Floors

Comment from Jorge Servin, (6/3/2013, 5:07 PM)

Thank you for sharing with us your experiences. I found your article very interesting but it left me with some doubts. 1.- If the blistering problem was caused by the ASR of the aggregate ,how can we be sure that it will not happen again since the moisture will continue to be present in the slab? 2.- What was the previous clear coating condition? Does it show the same blistering problem? if not, it may be because it was very thin or permeable and allowed the moisture to flow to the exterior of the slab. 3.- If the presence and/or flow of water moisture created or contributed to the ASR , wouldn't it be a good choice to change the approach to the use of permeable or semi-permeable coatings systems, or to a polished concrete flooring system? Thank you.


Comment from Michael Quaranta, (6/3/2013, 6:30 PM)

I have a lot of respect for the JPCL publication and the standard technical approach of the articles. I caught this article in the latest issue with some questions regarding the analysis. I reviewed an epoxy blistering project in El Centro, California that was interesting. The one aspect that was similar was the blistering shown in this article. To me that only proves that the epoxy has good elongation and that a suitable MVE coating was not applied and that leads to still another technical specification condition. Who specified the CSP (ICRI-Concrete Surfaces Profile) and was the proper equipment used to achieve the profile. I'd sure like to know the location of this F-Files Floor and an opportunity to propose a warranted fix for that problem without using those "empty the bucket" Hi-VOC coating products. This concrete coating has all of the required ASTM Test results, millons of square feet installed, including a Certified Permeance Test Report for WVT and for a pure quality of product proof an installed concrete coating in a shellfarm facility on the beach in Hawaii (7- years and still no sign of any claim or failure).


Comment from brian ofarrell, (6/4/2013, 7:36 AM)

Why is it that we wait for a failure to call in an inspector for concrete coatings. On steel the inspectors are in the contractors face. Not saying that an inspector would have prevented this problem but the article leaves questions of the validity of the MVT tests done.


Comment from Bonny Njimogu, (8/3/2013, 6:39 AM)

Thanks to JPCL and team of Raymond and Richard.The case od the wharehouse floor blisters and defects was embarassing both to fhe parties involved and the readership in general.However,the laboratory findings as reported have averted buck passing.A critical path to watchout for have been unveiled.MVT and ASR orAAR (Alkkhali Aggregate Reaction might be contributory to the tthe coating failure.I share the same view.From experience,wherever reactive aggregates are encountered whether indoor or exposed structures reacts with the atmosphere and moisture causing popouts,surface stains and unsightly blemishes. On indoor floor substrates where vapour barrier is used to prevent moisture transmission,reactive aggregates tend to shrink in the absence of moisture thereby resulting to difrential shrinkage/movement in the substrate.Simple tests like chloride/silt could be carried out on suspected aggregates to detect reactive impurities/clayey content befote large quantity is approved for flooring and other works. From Bonny Njimogu. I


Comment Join the Conversation:

Sign in to our community to add your comments.

Carlisle Fluid Technologies
Built for Tough Jobs

From Epoxies to Urethanes to other high solid coatings, the new Binks Airless 75 delivers a great finish using an ergonomic design. Visit binks.com for more information.


SABRE Autonomous Solutions
Safety, Productivity, Quality. Robotic Blasting

Learn how this simple to use, field deployed, automatic robot is eliminating hazards in major confined, cluttered and complex surface preparation projects.


Industrial Vacuum Equipment Corp.
Hurricane Vacuums
& Dust Collectors

Vacuum and dust collector hose, filters and related accessories.
IndustrialVacuum.com


Park Derochie Coatings Ltd.
www.ParkDerochie.com

Coatings          Fireproofing
Sandblasting     Scaffolding
Metalizing           Insulation

• Shop & Field Services
• SSPC Certified
• NACE Inspectors on staff
• New Construction &
  Maintenance Programs


BASF
New resins from BASF will have metals loving water:

Excellent corrosion resistance, low VOC, high gloss, thin films basf.us/industrialcoatings
polyorders@basf.com
800-231-7868


Seymour Midwest
Coating Application Tools & Supplies

Visit our “Where to Buy” site to find a local paint or tool supplier near you. Click here for a chance to win $500 of Tools & Supplies. 1(844)739-6687 Sales@SeymourMidwest.com


SEMicro Division, M.E. Taylor Engineering, Inc.
Coatings Adhesion Testers

The PATTI® accurately measures the bond strength between coating & substrate. Outfitted properly, the surface can be rough, porous, or curved & >10K psi strong!


Corrosion Probe, Inc.
From Detection to Correction

Corrosion Probe, Inc. has the Most Concrete Coatings Experience and Expertise. Contact us today at
860-767-4402, www.cpiengineering.com


Atlantic Design, Inc.
CLICK TO SEE...

what we did to this machine! Let ADI upgrade your machine, extending the life, efficiency, and value. Any make. Like new, but better! 866.Call.ADI


HoldTight Solutions Inc.
NO FLASH RUST -
NO CONTAMINANTS

Our HoldTight®102 salt remover & flash rust preventer prevents flash
rust by removing surface contaminants. It has no equal; only wannabees.
Contact us for your
nearest distributor.
(800) 319.8802 sales@holdtight.com

 
 
 
 
Technology Publishing

The Technology Publishing Network

The Journal of Protective Coatings & Linings (JPCL) PaintSquare
Durability + Design Paint BidTracker

 
EXPLORE:      JPCL   |   PaintSquare News   |   Interact   |   Buying Guides   |   Webinars   |   Resources   |   Classifieds
REGISTER AND SUBSCRIBE:      Free PaintSquare Registration   |   Subscribe to JPCL   |   Subscribe to PaintSquare News
MORE:      About PaintSquare.com   |   Privacy policy   |   Terms & conditions   |   Site Map   |   Search   |   Contact Us
 

© Copyright 2000-2016, Technology Publishing / PaintSquare, All rights reserved
2100 Wharton Street, Suite 310, Pittsburgh PA 15203-1951; Tel 1-412-431-8300; Fax 1-412-431-5428; E-mail webmaster@paintsquare.com