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Possible Other Causes of Pinholes

By Jack Josephsen

After doing a resin flooring project that should have had pinhole issues and didn't, I started to question why. Perhaps we've dismissed the most important parameter?

We are used to the theory of applying coatings on the cooling cycle of concrete, with the idea being that the air is cooling and therefore shrinking back into the voids and drawing in the resin.

I thought I'd discuss the various points noted on this job so that we could include some industry experts into the conversation for comment. I raise one particular climatic parameter that we never seem to discuss as a possible contributor.

Hopefully we can gain some good input and better understand one of the most painful problems in resin flooring.

You can read another discussion on epoxy troubleshooting with bubbles, pinholes and craters in a separate know how article.

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