Applying Polyurethane to Painted Countertop?

susan
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March 18, 20090 found this helpful

I'm not sure what the best way is, but I resealed my kitchen table using a regular-sized roller -- BIG MISTAKE! It left tiny air bubbbles, which left the surface anything but smooth. I had to strip and re-do it again. I've sealed painted furniture with a paintbrush, and I've had no problems--the brush marks seem to smooth out as it sets. I have no idea what those foam brushes or foam rollers would do. When you open the can, be careful mixing; if you do it too vigorously, air bubbles fill form and be applied to the surface. Hope this helps.