Originally Posted by
Osvaldo Cristo
I see you are from California so I imagine low temperature isnīt a major issue. I would go for painted concrete. Actually it is what I have in my small shop under tropic Capricorn (800 m altitude). Works great to me all the year. My shop is used all the year and except for a couple of days in the year it is plenty comfortable.
The whole idea of a wood/wood product floor is that it's more comfortable on the feet than concrete. That little bit of "give" can make a lot of difference. It's not just about heat/cold.
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The most expensive tool is the one you buy "cheaply" and often...