Follow us on Twitter Follow us on LinkedIn Like us on Facebook Follow us on Instagram Visit the TPC Store
Search the site



Armakleen Company, The

Standards Used for Partial Coating Removal During Maintenance Painting

From JPCL, July 2017

More items for Surface Preparation

By J. Peter Ault, P.E., PCS and Eric Shoyer, Elzly Technology Corporation

Partial surface preparation is a cost-saving concept with merit and demonstrated success in low-risk applications. This article details the challenges one must overcome prior to adopting partial surface preparation for high-risk applications with long desired service life....

(Login to read the full article)


Tagged categories: Certifications and standards; J. Peter Ault; NACE; Paint and coatings removal; SSPC

Comment from Gunnar Ackx, (7/25/2017, 7:21 AM)

Interesting article as I was trying to specify a job where only 'grinding dust contamination' (aka swarf) needs to be removed from a PU-topcoat (trying to figure out what standard would be best for that). However, could it be in this article that some standards references got mixed up? References #9 & 10 (SP6-WAB & SP7-WAB) as far as I know are Wet Abrasive Blast standards. And NOT Waterjetting standards... Would be interested to hear what standard one would reference for the 'swarf-removal' (i.e. tightly adherent metallic grinding dust which attached itself to a PU topcoat)? Thank you.

Comment from Warren Brand, (7/26/2017, 8:09 AM)

I understand the intent of standards. They try to codify the experience of senior and seasoned coating professionals to ensure uniform applications when they are not on hand on a specific project. We are often called upon to identify optimal solutions to various situations. And as the article states in the beginning, often complete removal is specified. The reasons for this are too complex for this comment. However, I've found it's nearly impossible to follow or specify a standard for touchup work or partial abrasive blasting or brush-blasting and recoat, without a died-in-the-wool seasoned coating "inspector" onsite. I write inspector in quotes, as when we send out an inspector, it is often in the mode of a collaborative relationship with the contractor, working together for the best interest of the client.

Comment from Lydia Frenzel, (7/27/2017, 7:54 PM)

Yes- When I read the article- I applauded the authors for recognizing Wj and WAB, but then the references were incorrect. When we initiated the WJ standards, the committee started by keeping "what is good" on the substrate and removing "what is bad." Over the years, we have just trended towards the more established Abrasive blasting text. The older abrasive text leads to confusion where you are trying to go to an intermediate coat, or stress the system to determine where the weak spot are. One of the more successful coatings companies to do this is TermaRust in Canada, where essentially WJ-4 is their surface preparation.It takes a skilled contractor, a skilled inspector, and a skilled coatings manufacturer.

Comment from Pete Ault, (8/7/2017, 10:34 AM)

Apologies for the error in the water-jetting reference, the original text referenced SP-12 and when I suggested the last-minute article update I provided the wrong reference. I believe the same concepts apply for WJ and WAB procedures - nothing technically wrong with "partial" removal, it's just hard to inspect. You have to be willing to put more faith in the person holding the nozzle/jet...that is sometimes hard for inspectors and owners to do.

Comment from Lee Wilson, (8/17/2017, 2:15 PM)

Can someone explain the correlation between the WJ standards and the attempts to amalgamate the dry abrasive blasting standards and the water jetting standards?

Comment Join the Conversation:

Sign in to our community to add your comments.

NLB Corporation
More Rental Equipment than Anyone Else.
NLB has more water jetting equipment – from pumps to accessories - available for immediate rental than anyone else at seven regionally-placed service offices. 800-441-5059.

RCG America
Recycled crushed glass factory direct. Pallet to truckloads. Experience quality. Demand savings. Serving PA, MD, DE, NJ, NY, CT, RI, MA, MI, OH, IN, WV, KY.

SAFE Systems, Inc.
SAFE Systems'
Blast Lights &
Deadman Switches
Halogen or LED blast lights available with our NEW urethane bumper. Switches available in many colors for color coding your hoses.

Blastox/The TDJ Group, Inc.
Blastox® - One Step Lead Abatement
Sandblast additive delivered to jobsite pre-blended to eliminate hazardous abrasive wastes. Why mix, meter or apply at the job-site? Blast with ease and
Let your painters paint!

Mitsubishi Gas Chemical America
Performance Amine 1,3-BAC
A highly reactive cycloaliphatic diamine offering superior performance. Reasonable cost and curing efficacy makes it suitable for all types of epoxy resin applications.

Absolute Equipment/Grand Rental Station
We have Tier 4 Equipment including Air Compressors & Generators for Sale & Rent! Your job may now require Tier-4. or Call 412-931-6655.

SSPC: The Society for Protective Coatings
Join SSPC and Enhance
Your Career !

Graco Inc.
Graco EcoQuip 2: Experience the Difference
While others claim their equipment is the same, none of them compare to Graco’s EcoQuip 2™ Vapor Abrasive® blasting line. Visit to learn more.

CHLOR*RID International Inc.
Companies that invest in corrosion control use CHLOR RID products
  • Soluble salt removal liquid
  • Test kits to verify contamination levels
  • Surface passivation to hold the blast
INFO@CHLOR-RID.COM 800.422.3217

SABRE Autonomous Solutions
A SABRE system will allow you to take a huge step forward on your next job
Your productivity will greatly increase as will your return on investment.


Technology Publishing Co., 1501 Reedsdale Street, Suite 2008, Pittsburgh, PA 15233

TEL 1-412-431-8300  • FAX  1-412-431-5428  •  EMAIL

The Technology Publishing Network

Durability + Design PaintSquare the Journal of Protective Coatings & Linings 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   |   Support   |   Site Map   |   Search   |   Contact Us