Testing the Effectiveness of Energy-Efficient
Coatings for Military Use

From JPCL, March 2017


Can the application of exterior coatings be a simple and inexpensive way to reduce heating and cooling losses through the building envelope in lieu of retrofits? To answer that question, this study tested the insulative performance of select coatings in both small- and large-scale scenarios....

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Tagged categories: Adhesion; ASTM; Building Envelope; Ceramic coatings; Ceramic microspheres; Coatings; Coatings Technology; Department of Defense (DOD); Dry Film Thickness (DFT); Energy efficiency; Epoxy; Exterior Wall Coatings; Humidity and moisture; Insulating coatings; Latex; Performance testing; Reflectance; Reflective coatings; Reflective roof coatings; Research; Research and development; Retrofits; Roof coatings; Solar energy; Solar reflectance; U.S. Army Corps of Engineers

Comment from richard stratton, (4/26/2018, 7:25 PM)

Hi, As we contributed a coating (#2) to this test, I'd appreciate contributing some information. 1/ We're happy to share performance data from applications relying on infrared scanning equipment to show surface temperature differences between our insulation coating and white and dark paint at 80F ambient temperature. Since the data was also reviewed by Fluke Instruments, we can point to a reference name at that organization. 2/ We're also happy to share measurements by Therm-X of Hayward, CA whose thermesthesiometers are used to measure coupons of our ceramic insulation coating on 100C and 150C hot plate settings. You can also view their device measuring our coating's thermal resistance on YouTube. Type in thermesthesiometer for that video. 3/ We use a ROI model for food plants using our insulation coating. It's based on test measurements by Mr. Bill Riker of Del Monte Foods and more recently, his revisions to the ROI model. His measurements advised a 25% energy savings on rotary sterilizer shells base on measuring steam condensate volume on side-by-side rotary sterilizers. That type of application is also supported with energy rebates from Pacific Gas & Electric and Sempra Utilities, a subsidiary of SoCal Edison. Our experience is there is significant and measurable heat resistance using ceramic insulation coating. When used on exterior surfaces, we find that 20 mils almost completely blocks solar heat loading with a 9-10F degree improvement compared to white coating and 20F improvement over darker coating at 80F ambient. The improvement is even more significant when applied on steel and at higher ambient temperatures. The main point is that we can provide many examples of working applications. At the same time, there's many disconnects in terms of measuring this materials' performance. I don't know whether performance measuring disconnects are due to applying performance methods used for mass-based materials or ineffective test methods. But, we were not consulted for this test. So we'd appreciate being able to respond to questions and to present working applications. There are many organizations in the world that rely on our insulation coating's performance. And it's not because we pulled the wool over their eyes. It's simply because our coating is functioning as insulation.

Comment from Joseph Pritchett, (5/8/2018, 12:04 PM)

I work with the military for coating facilities to block heat load and then conduction. On the testing performed, which was very good, I needed to have the SUPER THERM applied in two coats. A roller, as we have learned, will lay down the coating and pick it back up in the same motion, therefore, two coats have to be applied to achieve the correct thickness we require of 9-10 dry mils or 95sq.ft per gallon. We have performed testing on metal double wide trailer units at Davis Motheum Airbase. Ambient was 117F, no air-conditioning over a three day period, no other insulation in the walls or ceiling and when opened and checked, the ambient inside the building was 86F. The exterior surface of the coating recorded to be one degree F over ambient. The coating film and metal surface resisted the ambient from conducting to the interior to allow the interior ambient to reach only 86F during the three day test. We do require the applied thickness to be 9-10 dry mils for the performance advertised. If spraying, this can be done in one coat, if rolling, it requires two rolls to achieve the thickness because a roller cannot lay it down to the mils required in one application as indicated in our Application Instructions. I appreciate the review.

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