Why does my basement smell like dead animal?

Mold and moisture are the more-likely suspects. The scientific reason for the bad smell is the combination of chemicals including sulfur dioxide, methane, benzene derivatives and multiple hydrocarbons manufactured as the dead animal starts decaying.

Why does my basement smell like chemicals?

Chemicals: a chemical smell similar to formaldehyde typically means your heat exchanger is cracked. Your heat exchanger cycles heat from the combustion chamber to the plenum. Damaged heat exchangers cause a high risk of fire and potential carbon monoxide leaks, and should be dealt with immediately.

Why does my finished basement smell like sewer?

A strong sewer smell coming from your basement is most often caused from a dried out floor drain, a bad ejector pit seal, improperly vented appliances or fixtures, or even a damaged sewer line. Most floor drains also include a cleanout plug inside that sometimes doesn’t get replaced.

Why does it smell like a perm?

Specifically, if the hair has been color-treated the perm could result in a reaction that leaves a lasting odor. Given that the smell is lingering so long, and the smell is characterized as “burnt” odor, I suspect that the perm used had a reaction with something already present in the hair.

Why do I smell a chemical smell?

Phantosmia is the medical word used by doctors when a person smells something that is not actually there. Phantosmia is also called a phantom smell or an olfactory hallucination. The smells vary from person to person but are usually unpleasant, such as burnt toast, metallic, or chemical smells.

Why do I have a bad smell in my basement?

Some of these smells could be caused by something as serious as mold or sewer gas that could have some ill effects on your health if left too long. Some of the most common unpleasant odors in the basement are caused by mold, mildew, sewer gases, or a dead decaying animal such as a mouse.

What can I put in my basement to get rid of the smell?

White vinegar is another great way to help deodorize the air in the basement. To try this method, all you need to do is fill a few bowls of undiluted white vinegar and place the bowls around the area where you want to remove the odor. Let the bowls sit for 24 hours, and then discard the old vinegar.

What to do if your house has an offensive smell?

The P trap is a curved piece of pipe below the drain that should be full of water—the water blocks offensive odors from your sewer line or septic tank from wafting back into the house. If this is the case, running the water for a few seconds (or flushing the toilet) should solve the problem.

What does cat urine smell like in the basement?

Cat urine is another odor that homeowners have noticed coming out of the basement. Cat urine has a very distinctive, pungent smell to it. As the urine begins to decompose, it begins to let off an aroma similar to ammonia. What causes a cat urine smell

What kind of odor comes from the basement?

Cat Urine Cat urine is another odor that homeowners have noticed coming out of the basement. Cat urine has a very distinctive, pungent smell to it. As the urine begins to decompose, it begins to let off an aroma similar to ammonia.

What to do if you smell mold in your basement?

Solution: Contact a local plumber and have them come out to the home to perform a hydrostatic water test, or send a camera down through the pipes to determine where the leak is. Mold and mildew have a very unique, strong, musty odor to them. Some people might also describe the smell as earthy, or compare it the smell of a pair of wet used socks.

How often should I change my basement odor eliminator?

Depending on the size of your basement, you may need to open more than one box. Replace these every three months. If you have eliminated the damp basement smell, you don’t want it to return. Your odor eliminators will continue to help, but there are other measures you can take.

What to do if your basement smells like cats?

When the smell travels into the house through cracks or gaps, it would seem as if it is coming from within the basement. Solution: To stop cats from coming around your house and spraying, you can leave orange peels scattered around the outside of the home, as well as use a repellent that contains citrus oil.