The vocs responsible for new carpet smell are 4 phenylcyclohexene 4 pch and to a lesser extent styrene.
Carpet padding stinks.
As the urine dries it crystallizes and those crystals are what cause the smell.
These usually come from the synthetic latex in the carpet s backing as well as from the padding and adhesives used to secure the carpet during installation.
Many people will utilize deodorization solutions such as baking soda and vinegar to help alleviate the odors on the surface of the carpeting however when it comes to removing mildew.
This is the way pads work.
When those remnants get trapped in carpet fibers under the carpet in the padding and even in the subfloor the smell sticks around until you remove them.
Inadvertent spills and pet accidents affect not only the carpet but in many cases the pad that lies below it.
The best way to help alleviate mildew smells in carpet padding is to utilize deodorization solutions rather than having to rip up and replace the carpet padding.
Sprinkle baking soda onto the carpet.
This moisture can come from humidity spills or potted plants that drip onto the carpeting.
A flood can also carpet odor such as when a finished basement floods during a rainstorm.
You should create a thin coat of baking soda so get a large box of baking soda for each room that you plan to treat.
Urine stains also promote bacterial growth which can add to the smell.
Sometimes moisture can get underneath the carpet and carpet pad leading to musty odors.
Finding pet urine stains.