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I had problems with the third coat of poly drying too fast and leaving lots of bubbles. So, I hand sanded with 100 grit, and with the 4th coat decided to cut the fast dry poly with 25% mineral spirits to ensure no bubbles, and let it slow dry (no ventilation). Now I can see all the sanding marks on the floor? Did cutting the poly cause this?

What would cause air bubbles to be in a hardwood floor?

I have just had professionals install my new red oak wood floor. There are bubbles on the floor (seems like there is a mix of debris - like dust, splinters and lint as well as just air bubbles in the Poly). They are telling me that this is normal, and with time they will go away. Is this really the case or should they buff and re-apply another coat of poly?

I sanded my floors, then put 2-3 coats of poly on them. I decided I wanted another coat-that was done about a month ago… fish eye bubbles all over the place now! I don’t want to have to rent another sander (it’s a huge fuss in an apartment building). This is a very small floor space. A pro tried to get rid of them by putting another coat of poly on-a colleague of his told him this might or might not work-it didn’t! I would love to get rid of the fish eyes for once and all.

I have just sanded doing the 36, 50, and 80 grit. I stained it as well. However, when I rolled the first coat of oil based polyurethane I got bubbles everywhere. Is there a way to get rid of the bubbles with out re-renting a buffer, etc.?

I sanded my hardwood floors and refinished them with 2 coats of polyurethane. I applied the finish with a paint roller. The associate at the home centre told me what caused the air bubbles that I had after I put the first coat on. I resanded and applied 2 coats of finish. I didn’t realise there were teeny, tiny air bubbles in areas of the floor. This is a big room (22′ x 24′) and it is a little much to hand sand and I surely don’t want to have to use a floor sander again. Is there help for the air bubble problem that is not labour intensive for me? Someone told me to have the floor professionally buffed. Will this solve my problem?

I am having multiple problems with my new hardwood floors. The floors are oak, natural poly finish. First off, My floors have scratched very easily despite waiting several weeks to walk on them, and using a vacuum made for hardwood floors. I have had other hardwood flooring installed in my home and never had this problem. I had them put another coat but this time there are the swirl marks everywhere as well as bubbles. There is also a bright yellow stain in the middle? It looks like it could be a stain under the finish. These floors are brand new. The company said they would come back again but they are stumped as to why the floors are scratching so easily and how to fix the swirl marks. It is a reputable company.

Could open windows and cold temperatures have caused peeling air bubbles?

I have a 3/4″ oak floor 10 years old with a oil base ******** Polyurethane. I have lived here since the floor was installed and no wax has ever been used. Cleaned only with damp cloth of water and vinegar. Recently I cleaned floor with damp thinner cloth and about two hours later I applied a coat of the same Polyurethane as original used and a second coat six hours later. The floor looked beautiful for about a month and then bubbles started appearing mostly where the boards join. I did not do any sanding, and mineral sprits may have not dried in the cracks.

I have recently sanded, stained and varnished the floors. They Look really nice but the last coat has accumulated air bubbles. I was wondering if there is a quick and easy way for me to remove the top layer containing the air bubbles and re vanishing them. Or, is there any solution, like sprays or liquids to minimize the air bubbles to make them disappear?

What is the best way to put the poly on your floors? I keep getting fish eyes w/ a poly roller. How do I get rid of them, and make the finish look good?

What can I do on the final coat to help decrease the bubbling? These bubbles are very tiny some are pin heads, smaller than pepper corns. I am going to use a sanding screen on this last one, probably should have on the first coat instead of paper. Went through too many pieces.