| Connect Follow us on Twitter Like us on Facebook
About | Subscribe | Advertise


August 22 - August 28, 2011

In your experience, what is the most common cause of premature coating failures?

More items for Quality Control
Answers Votes
Poor workmanship 76%
Incorrect specification 12%
Unforeseen exposure condition (due to design defect, for instance) 10%
Defective coating material 2%

Suggest a topic


Tagged categories: Coating failure

Comment from Glenn Summers, (8/25/2011, 6:36 AM)

Speaking only as it relates to concrete substrates; most specifications do not go far enough to insure that a concrete is properly treated, prior to the coating application. If a concrete is not "Stabilized" prior to coating, the Gel-Pore/Capillary system of the concrete will remain Open and Active to expell a concrete internal chemistry for years to come. Often, a specification is written to take in to account Harsh Service Environments as it relates to contaminates entering a concrete matrix from the exterior of a structure. It is one thing to attempt to protect a concrete by coating the exterior, but this type of specification falls short of a "Durable Surface". Great care and expense of sand blasting, high pressure washes and even acid etching will attempt to obtain longevity of a coating, but do not consider that an unstable concrete will allow moisture vapor to deposit chemicals underneath the best of coatings. When this internal chemistry and moisture migrates out to an atmosphere, coating failures are certain. A specification that doesn't address moisture travel In and Out of a concrete substrate will lead to a coating failure, not to mention all of the other deleterious events that occur to a concrete. When Carbonation is allowed to reduce the internal pH of a concrete below 11.5 pH, a coating loss is a minor problem compared to the corrosion cells that are now allowed to form on the reinforcing steel! At this point, "Another Coat of Paint Won't Help"!

Comment from Chuck Stevens, (8/31/2011, 12:18 PM)

It is extremely Important that the inspection attends the Pre-Job conference to discuss grey area's and how they should be addressed as agreed to by all involved

Comment Join the Conversation:

Sign in to our community to add your comments.

Elcometer, Inc.
Durability & Design meet
Performance & Reliability

Elcometer 319 Dewpoint Meter
View the technical data on the Elcometer Dewpoint meter.

KTA-Tator, Inc. - Corporate Office
KTA Analyzes
Coating Failures

• Field Diagnosis
• Lab Diagnosis
• Determination of Cause
• Recommendations
Call 1-800-245-6379

Graco Inc.
Graco Mortar Pump

The M680 sprays epoxy-based mortars, anti-skid coatings, cementitious and filled materials. Compact.
Easy to use.
Call 877-844-7226 or

Nationwide Overspray
Profession Overspray Removal Services

The Finest Name in Safe Overspray Removal. We specialize in removing all contaminants from any surface. Family Owned and Operated for 33 years! Fully insured. Satisfaction is guaranteed.

Fischer Technology Inc.
MP0R with rotating display screen

Automatic rotating display screen just like your smart phone. Click for Video
Call 800-243-8417

DeFelsko Corporation
PosiTector 200 for concrete

Rugged, simple and affordable coating thickness gage for concrete measures protective coatings including polyurea.

GMA Garnet USA
GMA Garnet™
Natural Abrasives

- Superior cleaning
- Even Profile
- Low Dust
- Cost-Effective
- Environmentally friendly
- Recyclable up to 5 times
Tel : +1 832 243 9300

Armakleen Company, The
ARMEX when nondestructive cleaning is critical

ARMEX the original baking soda blast abrasive is a brand of Church & Dwight Co., Inc. makers of ARM & HAMMER products since 1896.

Advanced Recycling Systems

Recycling Machines, Dust Collectors, Rapid Deployment units are time-tested and approved for the rugged industrial environment. Contact ARS today!


The Next Generation
of Blasting

• Lightest
• Coolest
• Most Comfortable
• Most Dependable

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   |   Privacy policy   |   Terms & conditions   |   Site Map   |   Search   |   Contact Us

© Copyright 2000-2015, 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