Will Odorfix work on sub floors?

Yes. Odorfix works on any surface or material the solution comes into contact with. The solution must be allowed to penetrate into the wood pores just as the urine had penetrated. This is only recommended for small, localized spot treatments. Will Odorfix remove urine odors from concrete? Yes. Odorfix works on any surface or material the solution comes into contact with. Concrete is porous just like wood. Just pour the solution on the concrete and let dry. Will Odorfix remove urine odors from yards, dirt, etc? Yes. Simply sprinkle Odorfix on suspected areas and wet the area with a garden hose. Saturate the area daily, or at least 5 times to ensure the enzymes have dissolved completely.  more