Reply by bilyo

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Posted on Untinted Paint Test

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1196 posts in 2020 days

#1 posted 09-09-2018 07:31 PM

it would be interesting to see what a latex/acrylic would do.
that piece shows signs of failure due to expansion and contraction.were all 6 sides of the board coated?

- tomsteve

Yes. All sides had 3 coats. And, the exposed surface is the only one that looks like the photos. The back and edges look pretty much as they did after painting. I won’t argue with the expansion/contraction theory. However, during the summer here, the ambient temp difference between night and day is not much. The night/day changes might be more extreme when considering the “cooking” due to the direct suns rays. Ordinary paint would undergo the same extreme, but might shield the wood underneath. I think my next test will include the tinted paint along side the untinted.

I re-read the Jim Krull article and he said that the acrylic paint base did not do as well in his test.

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