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The PaintSquare Guide to Surface preparation
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Problem Solving Forum (21)

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Is there a place for using “rust convertors” in heavy-duty maintenance projects?

Question posted April 22 to April 28, 2013

What is most effective treatment for steel contaminated with MIC before painting ?

Question posted March 18 to March 24, 2013

How do you strip paint from a cementitious substrate if you can’t alter the surface texture?

Question posted November 12 to November 18, 2012

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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MMLJ
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Abrasives Inc.
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Industrial Vacuum Equipment Corp.
Hurricane Vacuums
& Dust Collectors
Vacuum and dust collector hose, filters and related accessories.
IndustrialVacuum.com

Green Diamond Sand Products
Green Diamond is the “Chosen”one.
Your  source for  high quality specialty sand. Superior Blasting Efficiency and an Excellent Surface profile. Available for on-site assistance.

Novatek Corporation
Dustless Coatings Removal
Strip it, clean it, and profile it,
all dust free! High production
rates and Blast like finishes.
Comply with new lead
standards.

LS Industries
LS Blasters: Optimum Steel Cleaning Efficiency
Simplify surface prep with the precise shot control of LS Blasters. Our blast technology delivers optimum coverage and finish. 800-533-8008

Atlantic Design, Inc.
It’s All True!
We custom design equipment; We upgrade existing equipment; We rent equipment; We have the best service in the industry. WE REALLY DO KNOW EQUIPMENT! 866.Call.ADI

 
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