Uncured expanding foam which is still soft and moist can be removed with a solvent.
How to remove foam insulation from hardwood floors.
How to remove sprayed wall foam insulation.
A third option is spray lubricant which is a petroleum distillate like mineral spirits and can loosen the adhesion of the latex to the finish.
Sure enough some of the foam got on my new floor.
Rent a floor sander either a drum sander floor stripper or square buff sander and take off the foam varnish and thin layer of the wood.
How to easily remove and clean expanding foam polyurethane foam or great stuff from carpets hands skin and surfaces the answer is leave it to cure without to.
If the foam has cured scrape it off with a stiff bristled brush or any other rough brush.
You could choose to leave it as it is and allow it to naturally remove itself.
Any ideas as to.
This stuff comes off vinyl fairly slick after it dries but not the hardwood.
Expanding foam fills gaps as it seals and insulates.
Most spray foam products resemble thick paint or heavy glue in their unexpanded state and they stick to anything.
A non cured material will usually wear off in time depending upon your wall surface.
Scrape with rough brushes.
This adhesive quality makes it easy.
After the floor was finished with 3 coats we put the expandable foam around my new windows.
I recently installed an unfinished natural oak floor.
Usually it is best to remove floor edge molding to get all the way to the walls but if the molding is expensive or hard to remove it is not unreasonable to do a best effort with the edge sander above.
If mineral spirits doesn t work try denatured alcohol which is good for removing dried latex paint.