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krw

In article , cme4fun_
says...
We just restained our front door to revive the look. It took 2 days to dry
with the humidity. We then applied two coats of fast-drying polyurethane.
After the 2nd coat, we closed the door with the early evening sun hitting
the door. A few hours later we noticed several bubbles on the door. Not
sure what caused this or best method to fix.

Bubbles are almost an inevitability when applying polyurethane. They
usually "pop" as it dries. I've found that if it's applied when it's
hot and dry the poly dries too fast and the bubbles don't have a
chance to work to the surface and pop.

Suggestions?

Sand and try again.

--
Keith