Peroxide dish soap and baking soda.
Treat concrete for urine under carpet.
A 2 to 1 mixture of warm water and white vinegar spray this over the affected area or spread it with a brush and.
Instead what is often left behind is course sections of dried adhesive that have bonded to the concrete floor in such a way that they are.
Cover with plastic sheeting for 1 to 2 hours to slow the evaporation rate of odorzyme and allow time for the first application to soak deeply into the concrete.
This solution changes the stain and odor into an evaporable gas of water and oxygen.
Here are some possibilities.
Tsp or trisodium phosphate is a heavy duty cleaner that penetrates porous concrete.
Carpet that is attached to a concrete floor is usually held down by adhesive.
Note that as the first application of odorzyme goes to work the urine odor may intensify at first.
Next apply and scrub in enzymatic cleaner to remove odor.
First a dry enzyme powder is mixed fresh with water.
Unfortunately when you remove the carpeting to replace it the adhesive usually does not come off with the carpet in all areas.
Concrete is porous like glass.
Dry and deodorize residual room urine smells with an ozone generator.
First clean spots with a two to one vinegar and water mixture tsp or hydrogen peroxide and rinse off concrete.
Next get buckets of warm water and broom detergent sprinkle detergent in small areas small amount of water and rub into concrete sort of like cleaning pots pans let set for awhile than mop up it takes time but works.
A 3 percent hydrogen peroxide solution spray it on let it sit for a few minutes and blot dry.
The second step is to pour the accompanying gentle peroxide solution over the stain.
This solution is poured onto the surface of the stain and allowed to sit for 8 hours.
If sealing floor you might use some of the new garage floor paints comes in several colors.