If their nest is inside your walls you have dead mice in the walls.
How to get rid of rodents in attic and walls.
To keep mice and squirrels out of your walls seal up all openings in your home s exterior.
The mice eat the poison bait and then go back to their nest where they may die.
For example weep holes need to breath and expel moisture.
This prevents rats from climbing from tree limbs to the roof of your home.
In many architectures or the wall is at the edge of the house or in a place with no good attic access.
Also trim any tree branches too close to the roof.
Homeowners can use spring loaded traps live traps and glue traps.
Trim or remove tree limbs that are within 8 10 feet of the roof of your home.
You want to prevent rats from having a way to get to your roof.
After that set traps on the inside of your home in the spaces you have seen signs of mice.
You can also use a towel or set a trap right at the hole you cut out.
But if you do have access you can get the rat at the bottom with a snare pole or lower a rope so the other option is to cut a hole in the drywall.
Place moth balls inside any openings you find and then plug the holes with steel wool.
Rat poison is the least effective though cheapest way to try get rid of rats.
Remember these holes can be as small as a 1 2 wide opening.
Step 1 walk the exterior of the home and identify any potential entrances where rodents can get into your home.
Examine roof flashing foundations eaves and the area behind your gutter and fill all openings with.
The steel wool will cut the mouths of any rodents that try to chew through it.
Inspect inside the garage attic crawlspace and outside of the home for entry points.
Baiting mice with poison presents a problem.
Get rid of mice without poison.
And this doesn t solve the root of the problem.
However you should use the poison as a last resort because poisons cause rats to die in areas that are hard to get to and they will rot in your walls attracting all kinds of insects and leaving a horrible smell.
Your best solution are stainless steel weep hole covers.
The best remedy to get rid of mice without poison is traps.
But always make sure you differentiate holes that have a function from those that should not exist.