To prevent rats from entering your home seal up any holes or cracks larger than a quarter.
Rats entering home from fascia to under the roof.
And if your roof meets the gutter at the edge sometimes roofers just leave a gap there between the roof and fascia board.
If they get into the house from underneath or from a ground level opening they can just scamper up the wall and into the attic.
Rats can squeeze through holes as small as a quarter.
It s the 1 spot for rat entry.
They can also chew ridge cap plugs.
And because they can chew through most materials you ll need to know what materials you can use to seal holes and small entrances to your home.
Take down the bird feeders that are attracting them to your property.
Bar them from entering with hardware cloth.
To make an ideal home roof rats need food water and a cozy nesting site so clean out wood piles rake up fallen vegetation and fruit and do not leave pet food or water outside especially overnight.
Roof rats can enter homes and structures through openings as small as half an inch.
Check every vent gable vents roof vents ground level crawl space vents even the laundry vent.
Seal those areas up.
Check all doors and windows.
They may also fit through doors windows air vents or screens that are improperly installed or ill fitting.
One effective material you can use because in trying to chew through it it cuts the rats mouths is diamond mesh used on stucco wall coverings.
Any openings should be blocked with a waterproof sealant.
No home builders or roofers ever seal that area.
However they can also get into the attic from pretty much anywhere.
How are rats getting into the attic they most commonly enter via holes in the roof.
Pop the engine cover thats under the hood as in most cars not mechanically fastened.
Rats can often enter through small gaps created by the room corner intersection.
Battling rat s under the hood of my jeep.
It s just a wide open spot and rats only need like a half inch to squeeze their way in.
See that area where an eave meets up against the roof.
The louvered vents for dryer exhausts and the openings behind roof fascia are perennial favorites.
Rats like the the spongy foam insulation material used in cars.
They are small and can crawl around.