3 ms·I don't know where you got this from, but I can assure you that's not correct.by cinntaile 3y agoI don't know where you got this from, but I can assure you that's not correct.bluGill 3y agoPolyurethane is a type of plastic, and is the most common wood finish for floors.verve_rat 3y agoBut most common != always, as you claimed.bluGill 3y agoOkay,i'll stand corrected therebhandziuk 3y agoThey're talking about polyurethane. It does have a plasticy feel too it.