How Do You Keep Bubbles Out Of Polyurethane Floors?

How Do You Keep Bubbles Out Of Polyurethane Floors? “The only way to correct this issue is to strip the finish down to bare wood, wipe it thoroughly with denatured alcohol, and restain. Next, brush on a couple of coats of dewaxed shellac, such as Zinsser’s SealCoat. How do I stop my polyurethane from bubbling?