Basic Training
Spray Application of Non-Skid Coatings

From JPCL, October 2015

By Beth Torgerson, Graco Inc.

This installment of Basic Training explores spray application of nonskid coatings. Tests of several two-ball piston pumps evaluate time and labor savings as well as the achievement of consistent film builds on aircraft carrier flight decks....

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Tagged categories: Coating Application; Military; Non-skid coatings; Paint application; Paint application equipment

Comment from Tom Schwerdt, (11/18/2015, 8:25 AM)

The other approach is to spray apply an epoxy, then broadcast the aggregate into the wet coating. No special equipment needed.

Comment from Rodney White, (11/18/2015, 8:53 AM)

Tom, that approach works well for process facility floors, but for large areas requiring a much more aggressive profile (such as carrier decks), you won't be able to achieve the required build, as there is a much higher ratio of aggregate-to-resin, and typically a much higher viscosity. The profile achieved may need to be as deep as 250 mils. Can't do that by broadcasting into wet resin.

Comment from Tom Murphy, (11/18/2015, 9:16 AM)

Beth, Thank you for detailing this application technique. Increasing productivity using spray application improves profitability for the contractor and minimizes the cost to the customer. It also has the potential of improving the finished product consistency. Can you speak to the texture achieved in the tests described. What was the profile required (specified) versus achieved? How was this measured? What was the variation, if any? What recommendations would you have to control a required texture using spray application? Thanks, Tom Murphy

Comment from Torgerson Beth, (11/24/2015, 9:53 AM)

Hi Tom, Thanks for your comments and questions. At the material test for the aircraft carrier application, the material was spray-applied and then back-rolled to achieve the unique profile of peaks and valleys. The main objective of the test wasn't to develop a specific profile; the test was to see if the non-skid coatings could actually be spray-applied to save application time. The pumps were indeed able to handle the non-skid material while speeding up the application process.

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