To remove the dead mouse you will need first to locate it which can be done with a borescope or a small camera.
Mouse in wall smell.
Getting rid of the smell inside your walls.
It can be almost impossible to find a dead mouse in the wall or hidden in a cabinet.
Read more about this topic here to learn ways of getting mice out of walls air ducts and other typical rodent haunts.
And how to get rid of it.
I poisoned a mouse and it died in the wall and left a big smell for about a week and then went away.
Get rid of mouse urine smell in walls.
If you can access the walls then read this post and complete the task with relative ease.
If you can t access the walls cavity walls for instance then you have two options.
Try to identify the room where the dead rat smell is strongest.
Once found cut the drywall remove the mouse and then patch the drywall.
The odor of a dead mouse is a mix of sulfur dioxides methane and other noxious gases that are produced as tissue begins to decompose.
It can be harrowing to search for a mouse or rat corpse and there s no easier way than to suck it up and use your nose.
Not the end of the world.
As a rodent s body rots the smell can spread over 300 meters away from the corpse.
As a country type of girl i am quite amused about people being so concerned about killing such a disease carrying vermin and going so far as trapping and releasing.
How to remove a dead mouse from your wall.
Use this diy mouse repellent spray or leave out cotton balls dipped in peppermint oil wherever you suspect mice are liable to come sniffing sealed up entrances to the house are a good start.
Typically a dead rodent mouse rat squirrel or other will emit a foul odor for a week to a couple weeks.
Unfortunately this smell can be produced by any member of the rodent family mice rats etc that may have found its way into your walls attic or crawlspaces and died.
The answer to this depends entirely on whether or not you can access the walls.
But below are some tips so you can avoid that.
From there it becomes a game of hide and seek checking every crevasse you can access and shifting furniture this adventure can be even worse when the rodent died somewhere in your car or another small.
The good news is that you won t have to live with the smell of decomposition forever and you don t have to tear apart your wall or floors or ceiling or put the house up for sale.
While it s easiest to dispose of a dead mouse when you can find the corpse in plain sight it s still possible to get rid of rodents that are hidden in hard to reach areas.
How to get rid of dead mouse smell involves getting rid of the corpse.