New answers tagged wood-finishing
I doubt this will help you now seeing as its been over a year but I would say that every product I've ever used says "apply to clean dry surface" or something to that effect, even water borne stuff. Which is to say that you'll get the best penetration and adhesion with wood that's perfectly dry. If you're using a product that has a staining effect you'll ...
It's all about adhesion. When you recoat after 2 hours you get a chemical bond between layers. If you let it go longer than that, you need to wait 24 hours so it's hard enough to sand and get a mechanical bond. I sand before the final layer. That gets it smooth without danger of sanding through.
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