Floor Finish Bubbles

If you missed the bubbles while the varnish was fresh you may find the finish mottled with tiny craters or hardened bubbles.
Floor finish bubbles. Carefully remove the finish clean the space let it dry then apply two to three new coats of finish until the color of the finish matches the rest of your floor. When bubbles appear in a freshly applied epoxy coating the most common culprit is something called outgassing. Bubbles where sun hits laminate floor. The floor was guaranteed for 25 years.
While blisters and bubbles may look similar they re unsightly either way their causes are quite different. As such it is only effective with polyurethane finishes. Screening is another option. After the floor finish has hardened enough to sand it refinishers pass over it with a floor buffer fitted with a 120 or 150 grit sanding screen to remove bubbles before applying another coat.
What would you do. This happens to floor finishers who drag the finish applicator aggressively and then must stay off the floor until the finish dries. Outgassing is a site condition that allows air or gas from the concrete substrate to escape in excess and cause blisters craters bubbles or pinholes. Causes of floor coating blisters.
The process is called screening and it s one you can use on any existing finish not just a new one. Unfortunately the formation of blisters and bubbles in an industrial floor coating is a fairly common problem. In the sun a few spots of the finish have bubbled and cracked. Below we ll look at the causes and find out how to prevent these issues.