Air Bubbles In Hardwood Floor Finish

It s not an uncommon problem especially when applying polyurethane as the finishing coats.

Air bubbles in hardwood floor finish.

When we think of summer at mr. Most every painter has experienced the problems of bubbles in polyurethane finishes. The most common causes for bubbles are shaking the can and improper brush prep you don t stick a brush into the finish without first soaking the bristles in mineral spirits for oil based polys or in water for water based polys. Theories abound over this topic everything from the shaking of the cans that occur during transport to the type of wood it s applied onto to impatience in applying.

If you missed the bubbles while the varnish was fresh you may find the finish mottled with tiny craters or hardened bubbles. Bathtubs champagne ocean foam to name a few. Air flow will aid the finish to cure. To keep your floors looking their best follow these diy tips from altrufir.

The dust from the floor buffer can land and attach onto surfaces such as fabric furniture. The process is called screening and it s one you can use on any existing finish not just a new one. Floor we think about the dozens of calls we receive from homeowners who are watching bubbles of finish pop up between the cracks of their new wood floors. For many summer means concerts at millenium park margaritas on the deck and bubbles in the pool.

So our guy came to rebuff and put a 3rd coat of poly on. We are having our pine and oak floors refinished professionally. Right away we see the same air. Beads of finish between the cracks in my wood floor the photo highlights the homeowners dilemma.

All are common flaws when polyurethane is applied incor. Nobody wants to do all the work of refinishing and end up with bubbles in the finish. Bubbles belong in plenty of places. Very tough if not impossible to totally blend such a spot in when using oil modified polyurethane.

After 2 coats were put on there were numerous air bubbles. When there are air bubbles in the polyurethane finish on a newly refinished oak wood floor can you spot sand some of them by hand and then touch up that spot with another coat of polyurethane. One place you should never find bubbles is in your hardwood floors. 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.

By the way water. This happens to floor finishers who drag the finish applicator aggressively and then must stay off the floor until the finish dries. In this video i outline three methods for fixing polyurethane bubbles puddles runs and brush marks. Repairing bubbles within the finish of a hardwood floor requires removal of the old finish with floor screening pads and applying a new polyurethane finish.