Screening is another option.
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.
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.
Causes of floor coating blisters.
As such it is only effective with polyurethane finishes.
In the sun a few spots of the finish have bubbled and cracked.
If you missed the bubbles while the varnish was fresh you may find the finish mottled with tiny craters or hardened bubbles.
The floor was guaranteed for 25 years.
The process is called screening and it s one you can use on any existing finish not just a new one.
This happens to floor finishers who drag the finish applicator aggressively and then must stay off the floor until the finish dries.
This method gets rid of the finish without removing any of the wood beneath.
While blisters and bubbles may look similar they re unsightly either way their causes are quite different.
I have a maple laminated floor.
I would contact the installer and manufacturer.
Unfortunately the formation of blisters and bubbles in an industrial floor coating is a fairly common problem.
Bubbles where sun hits laminate floor.