If your house has a solid concrete foundation it s very unlikely that rats will be able to get in through the floor.
Rats chewing through roof vents.
The soil vents also known as a vent stack can let rats into your home.
Rats climb down and get into your plumbing system and get into your home through the toilet.
With few exceptions most homeowners will go to great lengths to keep rats from entering their home and disposing of those that do.
Though they may be cute these critters can cause major damage by chewing on housing materials and eating stored foods.
These entry points need to be sealed in order to prevent rats from entering the structure through roof vents.
Steel wool for instance or a mesh screen.
One common style of vent that is located on the roof is commonly called a j vent.
Skittish smooth furred and not well adapted to cooler temperatures roof rats are often mistaken for house mice.
Rats often enter homes and business s through vents located on the roof.
If you have overhanging trees textured walls or anything that would let a rat climb on your roof then you should have aluminum screens installed on all your soil vents.
They typically hide in an attic and will chew through almost anything including plastic wood metal drywall and many other materials to get where they want to go.
Rats can chew through some weaker types of concrete like cinder blocks but even their powerful teeth can t overcome solid concrete.
In late fall roof rats seek out warm nesting sites like the upper levels of your home or garage.
Partly it is because rats spiders snakes and mice are traditional among the most despised of all animals.