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The PaintSquare Guide to Surface preparation
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July 2012 - Fred Goodwin, BASF Construction Chemicals
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January 2012 - Eric S. Kline, KTA-Tator, Inc., Richard A. Burgess, Series Technical Editor
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September 2011
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May 2011 - Philippe Le Calvé, DCNS, France; Jean-Pierre Pautasso, Direction Générale de I’Armement, France; and Nathalie Le Bozec, French Corrosion Institute
May 2011
May 2011
April 2011 - Mike O’Donoghue, Ph.D.; V.J. Datta, MS; and Russell Spotten, International Paint, LLC
November 2010 - Patti Roman, Clemco Industries
November/December 2010 - Rick Huntley
November/December 2010 - Kenneth A. Trimber
August 2010 - JPCL staff
June 2010 - Martin Earlam, UK Environment Agency
June 2010 - Susan Drozdz, U.S. Army Engineer Research and Development Center, with contributions from Mike Hasbrook, Washington Industrial Coatings
April 2010
March 2010 - John Bullard, Port Authority of New York & New Jersey, and William D. Corbett, KTA-Tator, Inc.
February 2010
February 2010 - Kenneth B. Tator, P.E., KTA-Tator, Inc.
January 2010 - Lydia M. Frenzel, Ph.D., Advisory Council
January/February 2010
January 2010 - Casey Ball, The Sherwin-Williams Company
December 2009 - Rick Huntley
December 2009 - John Leeke
December 2009
September 2009 - Jayson L. Helsel, P.E., KTA-Tator, Inc.; Richard Burgess, KTA-Tator, Inc., Series Editor
August 2009 - Alison B. Kaelin, CQA, KTA-Tator Inc., and Karen A. Kapsanis, JPCL
August/September 2009 - Burt Olhiser, Vantage Point Consulting
August/September 2009
August 2009 - Daryl Fleming and Jodi Temyer, JPCL
June 2009
June/July 2009 - Jayson L. Helsel, P.E., KTA-Tator Inc.
June/July 2009 - Joe Maty, Editor, JAC
May 2009 - Fred Goodwin, Fellow Scientist, BASF Construction Chemicals
May 2009 - Kevin Morris, Market Development Director, Water and Wastewater, The Sherwin-Williams Company
March 2009
November 2008
June/July 2008 - Deborah Slaton and Paul Gaudette, Wiss, Janney, Elstner Associates Inc.
March/April 2008 - Allen Zielnik, Atlas Material Testing Technology, LLC
January/February 2008 - Charles H. Holl, Dayton Superior Corp.
January/February 2008 - Jim Leonard, ERSystems Inc.
January/February 2008 - Jayson L. Helsel, P.E.
October/November 2007 - Charles H. Holl, Technical Specialist, Dayton Superior Corp.
June/July 2007 - Joe Maty, JAC Editor
March/April 2007 - Deborah Slaton, Wiss, Janney, Elstner Associates Inc.
January/February 2007 - Jayson L. Helsel, PE., KTA-Tator, Inc.
June/July 2006 - Jayson L. Helsel, P.E.
January 2006 - Deborah Slaton, James D. Connolly, and Leonard L. Phelps
January 2006 - Jayson Helsel
October 2005
April 2005 - Jayson Helsel
January 2005 - Jayson Helsel
See more

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June 7, 2013
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May 23, 2013
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May 16, 2013
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May 10, 2013
JPCL Invites Free Buying Guide Listings
May 7, 2013
NLB Announces New WaterJet Series
April 30, 2013
Shipyard Moguls Held in Grit Dumping
April 22, 2013
Blast QC Opens Video Learning Series
April 8, 2013
Planer Tackles Marine Applications
April 4, 2013
Free Webinar Tackles Blasting Safety
March 20, 2013
SSPC Seeks Papers, Offers Student Aid
March 14, 2013
Protective Coating Skips Pretreatment
March 13, 2013
Waterjetting on Tap in Free Webinar
March 13, 2013
WSDOT Announces Bridge Coating Project
March 6, 2013
Jetstream Unveils Compact Waterblaster
March 4, 2013
Coating, Prep Projects on Deck at NSRP
February 14, 2013
Free eBook Tackles Abrasive Selection
February 11, 2013
New Hose Color Coding to Start in New Year
December 27, 2012
Cleveland Seeks Station Facelift Bids
December 20, 2012
$508K Tower Coating Awarded in FL
December 10, 2012
Bids Invited for ‘Big Mac’ Painting
November 29, 2012
Memo: Paint Cuts Endanger New UK Subs
November 20, 2012
'Bio-Concrete' Heals after Damage
November 7, 2012
Out of Kazakhstan: Wilson Comes Home
October 17, 2012
Push for Paperless Paint, Pruned Prep
October 5, 2012
Pirate Brand Launches New Pipe Blaster
October 4, 2012
USS Wisconsin Maintenance Painting Let
September 14, 2012
Free Webinar Touts Tips for Blasting QC
August 30, 2012
New Waterjet Pump Made for Snug Spaces
August 29, 2012
JPCL Premieres Industry’s Top Thinkers
August 27, 2012
Budget Cuts Scrub ShipTech for 2013
August 23, 2012
Study: Less Blasting May Save USN $10M
August 9, 2012
Harsco Unveils its 1st Glass Abrasive
July 24, 2012
RI Awards $6.7M Bridge Painting Project
July 24, 2012
Blast-One Acquires Tecor Finishing
July 23, 2012
Webinar Helps Fight CUI with Coatings
July 10, 2012
SSPC, NACE Replace Waterjet Standard
July 6, 2012
EPA, Shipyard Settle Paint Waste Fine
July 5, 2012
Waterjetting Equipment Featured at WJTA Show
July 3, 2012
Compressor Offers High Air Capacity
July 2, 2012
Put Your Best Project Forward
July 2, 2012
Free Webinar Tackles New Waterjetting Standards
June 29, 2012
Free Webinar Targets Concrete Moisture
June 19, 2012
Salt Meter is Automated, Eco-Friendly
June 15, 2012
International Forum Tackles Antifouling
June 6, 2012
Free Webinar Tackles Abrasives Choice
June 5, 2012
JPCL Top Thinker Offers ‘Paint Inspector’s Field Guide’
June 1, 2012
Salt Stripper Targets Atmospheric Service
May 24, 2012
Coatings Math: Online, On the Fly
May 23, 2012
Navy Aims to Retire Surface Prep Grind
May 22, 2012
Paint Waste Cited at New Superfund Site
May 10, 2012
JPCL Offers New Buying Guide Features
May 8, 2012
Marco Acquires BGRS Equipment Inventory
May 4, 2012
SSPC Seeks 2013 Award Entries, Papers
May 2, 2012
Navy Trims Ship Painting Protocols
April 16, 2012
Axxiom Partners on New Asia Venture
April 11, 2012
Pre-Treat Fights Rust, Lightens Prep
April 10, 2012
Wax Tape Protects High-Temp Pipelines
April 9, 2012
Gritco Nozzles Lined to Resist Wear
March 30, 2012
NSRP Eyes Lasers, Lessons, Real Risks
March 26, 2012
JPCL Offers Free Blast Cleaning eBook
March 26, 2012
Abrasives Maker Opens 2 CA Plants
March 21, 2012
MA Probes Late-Night Harbor Blasting
March 19, 2012
New Kit Amps Up Water Jet Units to UHP
March 15, 2012
SSPC Offers Online Inspector Training
March 13, 2012
Free Webinar Tackles Better Blasting
March 6, 2012
Waterjetting Opens Free eBook Series
February 27, 2012
Protective Coating Boasts Less Prep
February 21, 2012
Jet Edge, Hempel Increase Sales Teams
February 15, 2012
New LED Light Mounts on Blasting Gun
February 13, 2012
Painter Dangers Draw 2nd Shipyard Case
January 16, 2012
Forth Bridge Painters Call it a Century
December 9, 2011
‘Cold’ Grinder Tools Strip Paint in Explosive Areas
November 23, 2011
Abrasive Made to Cut Waste, Hike Speed
November 16, 2011
Spot vs. Full Job: How to Make the Call
November 8, 2011
JPCL Coatings eBook Series Coming Soon
October 31, 2011
Shot-blasting Cabinet Has Dual Stations
October 27, 2011
EDCO Kit Enables Multi-Level Grinding
October 25, 2011
Blast Media Maker Gets $200K Infusion
October 24, 2011
$1.1M Contract Let for TN Dam Painting
October 21, 2011
Waterjet Group OKs Hose Color Coding
October 21, 2011
Navy Makes Ship Painting R&D Awards
October 19, 2011
House Makes End Run on Coal Ash Rules
October 18, 2011
Jetstream Upgrades HP Gun Handles
October 18, 2011
Harsco Launches Copper Abrasive
October 14, 2011
Barton Names Regional Sales Manager
October 13, 2011
Free Webinar to Focus on Blast QC
October 11, 2011
Jotun Protective Primer Lightens Prep
October 6, 2011
WaterJet/Cleaning Group Names Officers
October 5, 2011
Cold Jet, Farrow System Join Forces
September 30, 2011
Blastrac Powers Up Global Shot Blaster
September 20, 2011
SSPC Extends Reach To Commercial/Light Industrial
September 16, 2011
‘Green’ Blasting Tool Uses No Grit
September 12, 2011
Never-Ending Paint Job Nears an End
September 6, 2011
Crawler Takes Waterjetting ‘Anywhere’
September 6, 2011
New EDCO Saw Cuts Metal, Concrete
August 25, 2011
Larson Unveils Light for Blasting
August 24, 2011
Surface Salt Detection Made for Field
August 15, 2011
PPG Bows Low-Temp Immersion Cleaners
August 9, 2011
Blastrac Expands Dust Collector Line
August 4, 2011
High-Volume, Electric-Powered Compressor Offered
July 22, 2011
NASSCO Receives Second Recycling Award
July 21, 2011
Century-Old Barton Takes New Name
July 14, 2011
3M Changes Industrial Leadership
July 12, 2011
People on the Move: Lineups Change At SafeWorks, Pangborn, Polygon
June 28, 2011
VA Firm Awarded UHP Coatings Removal
June 27, 2011
For Marine Painters, a STAR is Born
June 27, 2011
New JPCL Equipment Guide Now Available
June 23, 2011
Jet Edge Introduces Intensifier Pump
May 13, 2011
Rip-R-Stripper Made for Floor Removal
May 12, 2011
VertaJet Targets Mid-Size Prep Jobs
April 25, 2011
Makita Debuts Dust Extraction Tools
April 20, 2011
Water Jet Combines UHP, High Horsepower
April 14, 2011
Joint Standard Certifies Paint Shops
April 7, 2011
Blasters Boast New Safety Innovations
April 1, 2011
Farrow Heats Up Coatings Removal
March 29, 2011
NLB Water Jet Crawler Now Wireless
March 24, 2011
Harvey Hack Wins ASTM’s Reinhart Award for Corrosion Work
March 23, 2011
Paint Stripper Has VOC-Free Formula
March 14, 2011
Vacuum Loader Powers Up, Quiets Down
March 4, 2011
DOD Deploys Robots for Coating Removal
March 3, 2011
Golden Gate Cable Painting to Begin
February 28, 2011
Coatings Makers Appeal for Reg Relief
February 24, 2011
LA Investigating Uncontained Coating Project
February 21, 2011
Free Webinar to Focus On Environmental Monitoring
February 21, 2011
Uncontained Blast Medium OK’d for Gulf Coast Project
February 16, 2011
GapVax WetVac Continuously Offloads Liquids
February 9, 2011
AFB Painting Facility Cited 3rd Time
February 3, 2011
SSPC 2011 Debuts ‘Women in Coatings’
February 1, 2011
Coatings Removal Unit Uses Heat, Green Media
January 31, 2011
Bids Sought for Capitol Dome Work
January 28, 2011
Transfield Services Awarded $67.6M Paint, Maintenance Contract
January 17, 2011
3M’s New N95 Respirator Designed for Comfort
December 22, 2010
Tank Coating, Blasting Studies Win NSRP Grants
December 7, 2010
Blast Machine Maker Pangborn Names CEO
November 24, 2010
Shipbuilding Research Program Seeks Proposals
October 1, 2010
Bridge Conference Abstracts Due Soon
September 30, 2010
Mobile Ship Stripping Unit Handles 2 Processes
September 23, 2010
Free Webinar on Removal of Lead Paint Scheduled for Oct. 6
September 10, 2010
Blasters Widen Cleaning Path, Increase Control
August 30, 2010
Power Washers Designed for Enclosed Space
August 18, 2010
New Units Provide Vertical Blasting
August 12, 2010
SSPC/JPCL Webinars to Focus on Prepping Concrete
August 3, 2010
Robotic Water-Blasting System Cleans Vessels
August 2, 2010
Guyson Rolls Out Robotic Gritblasting System
July 22, 2010
Guidelines on RH Levels for Coating Work Relaxed by Navy; Savings Expected
July 14, 2010
Inaugural Waterjet Expo Set for August
June 22, 2010
Jenny Products Rolls Out Pressure Washers
May 26, 2010
Pressure Washer Billed as up to Task of Tough Jobs
May 18, 2010
PPG Updates Cleaner, Remover Product Line
May 17, 2010
Recycled-Glass Abrasive Gets Nod from Navy
May 13, 2010
Blastrac Introduces Global Shot Blaster Line
May 10, 2010
Duck Tape Marks Facebook Milestone with Sweepstakes
May 5, 2010
INVISTA Expands Solvent Product Line
May 4, 2010
Blastrac Promotes Rippman, Robb
May 4, 2010
Jet Edge Names New Zealand Distributor
April 29, 2010
Lightweight Flooring Stripper Introduced
September 15, 2009
Blastrac Announces New Distributor
May 19, 2009
Purdy Launches Lines of Prep Tools
January 20, 2009
3M Settles Suit with ITW
November 17, 2008
See more

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Is it cost-effective to pressure wash a bridge or other structure before abrasive blasting? What pressures, flow rates, and procedures are recommended?
Question posted November 12 to November 18, 2012
Is it cost-effective to grind steel edges before coating for atmospheric service? Why or why not?
Question posted October 29 to November 4, 2012
What is the proper surface preparation for stainless steel before coating to resist a salt-laden atmosphere?
Question posted September 3 to September 9, 2012
How long after blasting can stainless steel be left before painting? If this time is exceeded, what further surface preparation is required?
Question posted August 20 to August 26, 2012
When blasting cast-iron structural steelwork, what type of defects might be found, and how do you address them?
Question posted June 18 to June 24, 2012
How do you remove all traces of an uncured internal coating from a tank when abrasive blasting is not an option?
Question posted June 4 to June 8, 2012
What is the best way to achieve proper surface preparation in areas with limited access, such as interior box beams on bridges?
Question posted May 14 to May 20, 2012
How long can a blasted surface be left before priming under different temperatures/relative humidity environments?
Question posted April 16 to April 22, 2012
When should you specify UHP waterjetting on bridges?
Question posted October 17 to October 23, 2011
Specifications often state that glossy surfaces must be dulled before overcoating. What are some methods for doing this, especially when sanding isn’t feasible or desirable?
Question posted August 29 to September 4, 2011
What is the remedial action if a blaster produces too high a surface profile for the required primer thickness?
Question posted July 18 to July 24, 2011
When a specification calls for removal of only loose coating rather than complete coating removal from a masonry substrate, what surface preparation methods are most likely to work without damaging the intact coating that is left on the surface?
Question posted May 23 to May 29, 2011
How should surface preparation be conducted in non-sparking atmospheres?
Question posted January 17 to January 23, 2011
How much detail should be included in a specification for the surface preparation and painting of a parking garage exterior that includes tilt-up and structural concrete substrates?
Question posted December 13 to December 19, 2010
What is the clearest way to specify the degree of smoothness that you want to be achieved by surface preparation on an exterior wood substrate that is covered with deteriorated, uneven, and built-up layers of paint?
Question posted November 29 to December 5, 2010
What kind of surface preparation prior to coating will be effective and at the same time economical for the aluminum window frames on a large commercial office building? The aluminum was coated originally with a baked-on fluoropolymer which has lost most of its gloss. Maintenance recoating will be with an air-dry fluoropolymer.
Question posted September 14 to September 19, 2010
What kind of coating system, including surface preparation, should be used to protect a steel factory roof that is subject to hydrochloric acid vapors and other industrial pollutants and particulates in a hot, humid environment?
Question posted September 7 to September 12, 2010
What are the alternatives for removing mildew from previously uncoated concrete block exteriors before coating?
Question posted August 30 to September 7, 2010
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True or false: SSPC visual standards showing degrees of cleaning of steel take precedence over the descriptions of required cleanliness in SSPC’s written surface preparation standards.
Tuesday, April 16, 2013
True or false: All the SSPC surface preparation standards are issued jointly with NACE.
Tuesday, April 16, 2013
Determining the particle size distribution of blast abrasive is achieved by what method?
Tuesday, March 12, 2013
What organization does not produce standards for the surface preparation of concrete?
Thursday, February 7, 2013
True or false: In air abrasive blast cleaning of steel, a venture nozzle generates a deeper blast profile than a straight bore nozzle with the same diameter opening.
Wednesday, February 6, 2013
True or false: Some experts recommend that a weathered TPO roof be prepared for coating by cleaning with an aqueous cleaner followed by power washing.
Friday, February 1, 2013
What organization has a standard for the surface preparation of concrete?
Wednesday, January 23, 2013
True or false: Dry ice blasting produces a lesser volume of debris than the amount produced by air abrasive blasting using slag abrasive.
Tuesday, January 22, 2013
True or false: The USDA Forest Products Laboratory (FPL) recommends special surface preparation prior to painting if bare wood is exposed to the atmosphere for more than three to four weeks.
Friday, January 4, 2013
Which of the following cleaning techniques is most likely to remove soluble salts from a heavily pitted steel surface?
Wednesday, January 2, 2013
True or false: There is an SSPC power tool cleaning surface preparation standard describing a degree of cleanliness that falls between Power Tool Cleaning, SSPC-SP 3, and Power Tool Cleaning to Bare Metal, SSPC-SP 11.
Monday, December 24, 2012
True or false: SSPC published a surface preparation standard, now discontinued, describing flame cleaning of steel.
Tuesday, December 4, 2012
True or false: UHP waterjetting at 35,000 to 40,000 psi is typically used for surface preparation of stucco before painting.
Friday, November 30, 2012
Which of the following is an environmentally benign material sometimes used to etch concrete before application of coatings?
Tuesday, November 13, 2012
When water under pressures of 30,000-40,000 psi is used to clean steel before painting, what is this form of cleaning called?
Monday, October 22, 2012
If you’re a contractor concerned with meeting the end condition appearance requirements for steel after blast cleaning, what precaution might you take?
Tuesday, October 16, 2012
According to SSPC's Surface Preparation Commentary for Steel and Concrete Substrates (SSPC-SP COM), final dry blast cleaning should not be conducted when the steel surface is less than how many Fahrenheit degrees above the dew point?
Thursday, September 27, 2012
True or False: SSPC’s recent revisions to SSPC-SP 11 and SSPC-SP 15 changed the standards’ requirements for surface cleanliness and minimum surface profile.
Friday, September 14, 2012
What kind of abrasive was used to remove the failing baked-on gold enamel from 30,000 square feet of clay tiles on the New York Life building in preparation for applying gold leaf?
Tuesday, August 28, 2012
Which of the following is an abrasive media used in a blasting system on delicate substrates?
Tuesday, August 21, 2012
“Surface Preparation and Cleaning of Metals by Waterjetting Prior to Coating” is a newly revised standard by:
Monday, August 6, 2012
Which of the following statements about SSPC-SP 11, Power Tool Cleaning to Bare Metal, is true?
Friday, August 3, 2012
If a specification requires one of the following–brush-off blasting (SSPC-SP 7), commercial blasting (SSPC-SP 6), or near-white blasting (SSPC-SP 10), what other cleaning standard is invoked?
Wednesday, August 1, 2012
What organization recently issued a standard for measuring the profile of concrete after surface preparation?
Tuesday, July 31, 2012
True or False: The Australasian Corrosion Association is licensed to teach SSPC’s C7 Abrasive Blasting course.
Thursday, July 5, 2012
True or False: Dehumidification equipment is sometimes used to “hold the blast” after surface preparation of the interior of a storage tank.
Monday, May 7, 2012
What is a typical particle speed for abrasive in an air abrasive blast system that utilizes a venturi nozzle?
Wednesday, March 21, 2012
True or false: If you are removing a soft, pliable coating from a steel surface, a rounded abrasive will be more productive than an angular one.
Wednesday, March 7, 2012
What is the name usually given to a robotic surface preparation machine used in the field on ship and tank exteriors?
Tuesday, January 17, 2012
When acid etching is used to create a profile on concrete in preparation for painting, why is it important to rinse the concrete thoroughly after the etching is completed?
Wednesday, January 4, 2012
Why is crystalline silica sand more likely to cause silicosis when used as an air abrasive blasting material than it is in its natural state, for instance, as beach or river sand?
Tuesday, December 13, 2011
True or false: All the SSPC surface preparation standards are issued jointly with NACE.
Monday, October 31, 2011
Which of the following is most likely to be the result of excessive profile depth on steel after blast cleaning?
Tuesday, October 18, 2011
True or false: ISO Sa2.5, describing very thorough abrasive blast cleaning, gives a more comprehensive written description of the end condition of the steel after blasting than SSPC SP 10/NACE No. 2, Near white metal, which requires a similar end condition.
Monday, September 26, 2011
Which of the following factors influences the appearance of steel after blast cleaning?
Friday, September 23, 2011
In general, which of the following coating types or conditions is easiest to remove by blast cleaning?
Tuesday, September 20, 2011
The ISO surface preparation standard Sa 3 most closely resembles what SSPC/NACE surface preparation standard?
Thursday, September 15, 2011
Which of the following cleaning techniques is least likely to remove soluble salts from a steel surface?
Monday, August 8, 2011
True or false: In abrasive blasting, the harder the abrasive, the deeper the profile it is likely to generate.
Tuesday, August 2, 2011
A White Metal Blast, SSPC-SP 5, allows what to remain on the surface after blast cleaning?
Thursday, July 28, 2011
To totally remove coatings from brick and at the same time to minimize substrate damage and avoid generation of airborne dust, which of the following surface preparation methods makes the most sense?
Friday, June 17, 2011
Which of the following surface preparation methods for concrete produces the largest surface profile?
Monday, May 9, 2011
True or false: The SSPC surface preparation standards were numbered according to the chronological order in which they were adopted, not according to their degree of thoroughness.
Tuesday, January 11, 2011
True or false: In surface preparation operations, hackles are most likely to be formed on steel substrates when the blast abrasive is steel shot.
Friday, January 7, 2011
Rotating flaps with hard metallic tips is a component of what piece of surface preparation equipment?
Friday, December 10, 2010
Common surface imperfections, as opposed to contaminants, in newly placed concrete that deserve attention in surface preparation operations include all but which one of the following?
Friday, September 10, 2010
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