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The D+D Guide to Surface preparation
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D+D Online Feature - December online 2012
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D+D Online Feature - October 2012 - Jen Kramer
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D+D Online Feature - October 2012 - Jen Kramer
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November/December 2010 - Jayson L. Helsel, P.E.
November/December 2010 - Kenneth A. Trimber
November/December 2010 - Rick Huntley
November/December 2010 - Kenneth A. Trimber
January/February 2010
December 2009 - Rick Huntley
December 2009 - John Leeke
December 2009
2009 - Deborah Slaton and Joshua Freedland, Wiss, Janney, Elstner Associates Inc.
2009 - Burt Olhiser, Vantage Point Consulting
2009
2009 - Jayson L. Helsel, P.E., KTA-Tator Inc.
2009 - Joe Maty, Editor, JAC
2008 - Deborah Slaton and Paul Gaudette, Wiss, Janney, Elstner Associates Inc.
2008 - Allen Zielnik, Atlas Material Testing Technology, LLC
2008 - Charles H. Holl, Dayton Superior Corp.
2008 - Jim Leonard, ERSystems Inc.
2008 - Jayson L. Helsel, P.E.
2007 - Charles H. Holl, Technical Specialist, Dayton Superior Corp.
2007 - Joe Maty, JAC Editor
2007 - Deborah Slaton, Wiss, Janney, Elstner Associates Inc.
2007 - Jayson L. Helsel, PE., KTA-Tator, Inc.
2006 - Jayson L. Helsel, P.E.
2006 - Deborah Slaton, James D. Connolly, and Leonard L. Phelps
2006 - Jayson Helsel
2005
2005 - Jayson Helsel
2005 - Jayson Helsel
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May 1, 2013
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March 15, 2013
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March 11, 2013
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February 27, 2013
Plastic Sheeting Stops 30-Foot Fall
February 6, 2013
Transit Agency Bids Station Work
December 21, 2012
Prep Tools Now Made with Green Flair
October 16, 2012
National Guard Awards Reroofing Work
August 3, 2012
Bids Invited for Staining of ‘Fun Zone’ Structure in Midland, Mich., Park
March 21, 2012
SSPC Launches Online Version of Coating Inspector Certification Program
March 14, 2012
New Hampshire Seeks EPA-Accredited Contractor to Provide Lead-Safe Training
January 3, 2012
Rust-Oleum Adds Surface Cleaner, Adhesive and Stain Removers to JOMAX Line
November 30, 2011
Contractor Launches Website, Offers eBook on RRP Rule Compliance
October 13, 2011
ACI Offers Updated Concrete Repair Manual
September 9, 2011
Wooster Brush Takes Wraps off New ‘AeroDuster’ Surface-Cleaning Tool
August 25, 2011
L.M. Scofield Adds High-Gloss Finish to its Polished Concrete System
August 9, 2011
D+D Offers Free e-Book Featuring Concrete Floor Coatings and Treatments
May 24, 2011
D+D Offers Free Webinar This Thursday on Removing Paint from Historic Structures
February 7, 2011
Trimaco Offers Line of Cleaning, Prep Products
December 8, 2010
Generac Re-Enters Market with Line of Pressure Washers
November 4, 2010
Durability + Design Coatings-Removal Webinar Scheduled for Wednesday: Focus is Masonry
October 26, 2010
CSI Offers Webinar on Prevention of Coating Failures from Soluble Salts
September 23, 2010
Free Webinar on Removal of Lead Paint Scheduled for Oct. 6
September 10, 2010
Retrofit Option Allows Conversion to Different Blast-Media Types
September 10, 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
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
Purdy Launches Lines of Prep Tools
January 20, 2009
3M Settles Suit with ITW
November 17, 2008
See more

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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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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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