Tsp or trisodium phosphate is a heavy duty cleaner that penetrates porous concrete.
Treat concrete for urine under carpet.
Instead of drawing the urine to the top of the concrete tsp soaks into the floor and neutralizes the urine there.
Then cover cement and let area sit and soak overnight for 12 24 hours.
If sealing floor you might use some of the new garage floor paints comes in several colors.
Next apply and scrub in enzymatic cleaner to remove odor.
Unfortunately when you remove the carpeting to replace it the adhesive usually does not come off with the carpet in all areas.
Note that as the first application of odorzyme goes to work the urine odor may intensify at first.
The second step is to pour the accompanying gentle peroxide solution over the stain.
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.
Concrete is porous like glass.
Here are some possibilities.
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.
A 2 to 1 mixture of warm water and white vinegar spray this over the affected area or spread it with a brush and.
Carpet that is attached to a concrete floor is usually held down by adhesive.
To remove the tsp and urine you can use a shop vac to suck out the substances.
Dry and deodorize residual room urine smells with an ozone generator.
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.
Peroxide dish soap and baking soda.
This solution changes the stain and odor into an evaporable gas of water and oxygen.