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

 

Advertisement

PaintSquare


Problem Solving Forum

| More

January 2 - May 22, 2012

What is the most common or economical coating system for rehabbing the exterior of above-ground storage tanks?

More items for Coating Materials


Selected Answers

From Ron Lanter of Protec on July 26, 2011:
     Spot/Sweep blast,  then apply a full coat of epoxy like a Carboline 890 and then come back with another full coat of 890 and walk away. You said economical. Stay away from urethane. It's expensive and over-rated, and, trust me, it will fade in this heat.

From Thomas Selby of Retired on May 19, 2011:
     Well, first test for lead in the old coatings on the tank. Then proceed with surface prep based on your findings. Clean and remove old coatings and corrosion. Apply a barrier coat of an anti-corrosive, high-solids, thin-film epoxy. Spot prime with an epoxy mastic the bare metal areas because these areas will fail sooner. Then full coat with a two-component polyurethane. There is no economical system because the real cost is in the labor. Don't be penny-wise and pound foolish.

From Gregory Berg of AEP on May 18, 2011:
Economical system:  HPWC Spot power-tool cleaning (SSPC- SP 3); touch up with  zinc-rich epoxy; and apply two coats of high-build acrylic. Common system: HPWC Spot power-tool cleaning (SSPC-SP 3); touch up with zinc-rich epoxy; apply an epoxy intermediate; apply a polyurethane or polysiloxane topcoat

From Billy Russell of D&R COATING INSPECTION on May 18, 2011:
A zinc/epoxy/polyurethane system is one  recommended a lot. I have used this system a lot with great success, although there are cheaper systems out there. This system, if applied right, has a great life span. Stripe-coat the weld seems between coats for added life span.

From M Ehab of North Valley on April 7, 2012:
     There is nothing easy and very low cost like applying 2 coats at 40 Microns DFT of aluminium-pigmented paint based on a flexible penetrating alkyd oil.

From Mike McCloud of Amex on April 23, 2012:
    Billy, I like that system, although we have used a pre-prime  instead of zinc and have tanks that are still holding up after 15-20 years.

From remko tas of Futuro SRL on April 11, 2012:
It depends on the relation of labour costs and paint prices in your country. In Bolivia, where labour is relatively cheap and epoxy and polyurethane paints are expensive, for overpainting exteriors that are not yet too rusty, the best economical option would be to manually sand the surface lightly and overcoat with alkyd paint.

Please sign in to submit your answer this question    

Tagged categories: Tank exteriors


Current PSF Question | Submit a PSF Question | Full PSF Archive

Advertisements
 
BASF
 
New resins from BASF will have metals loving water!
 
Excellent corrosion resistance, low VOC, high gloss, thin films www.basf.us/industrialcoatings dpsolutions@basf.com 800-231-7868
 

 
PPG Protective and Marine Coatings Group
 
We Protect and Beautify the World
 
PPG is widely recognized as a world leader in protective and marine coatings, developing innovative, cutting-edge products and services.
 

 
Sherwin-Williams
 
Sherwin-Williams General Polymers Resinous Flooring App
 
Our coatings and linings expertise available 24/7, allowing you to explore the Sherwin-Williams systems best suited for your flooring needs. Android Users Click here to Download the app today!
 

 
Tarps manufacturing, Inc.
 
QUALITY MADE IN AMERICA —Available near you!
 
CLICK to get a behind-the-scenes look at how Tarps Manufacturing makes the highest-quality tarps right here in the USA — available nationwide.
 

 
Jotun Paints Inc.
 
Jotun Jotachar 1709
 
Mesh-free passive fire protection epoxy designed to protect against hydrocarbon pool fire scenarios for up to four hours as defined in the ANSI/UL1709 standard.
 

 
Carboline Company
 
Carboline is pouring with opportunities
 
We are proud of our exceptional products and services, and believe that people are our greatest asset. Come grow with us!
 

 
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.
 

 
US Minerals
 
Hit Harder. Clean Faster.
 
Black Diamond abrasive products are the toughest, most effective blasting media and supply the superior power you need to get any job done.
 

 
RBW Enterprises, Inc.
 
Robotic Blasting and Painting
 
When using the FasterBlaster and FasterPainter, blasting and painting can be conducted simultaneously. View the video for a full explanation of the operation.
 

 
Abrasives Inc.
 
The New Look of Black Magic®
 
Black Magic® “The tough stuff” coal slag has a fresh new look. CARB & QPL approved. Call us. Order some today. Abrasives Inc. 800-584-7524
 

 
 
 

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

TEL 1-412-431-8300  • FAX  1-412-431-5428  •  EMAIL webmaster@paintsquare.com


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 PaintSquare.com   |   Privacy policy   |   Terms & conditions   |   Site Map   |   Search   |   Contact Us