Rats often enter homes and business s through vents located on the roof.
Roof vents and rats.
These entry points need to be sealed in order to prevent rats from entering the structure through roof vents.
Chris cudmore oct 24 13 at 18 29.
Your best bet might be to extend the duct a few feet above the roofline to make the vent inaccessible to rats.
Rats climb down and get into your plumbing system and get into your home through the toilet.
Rats can easily climb pipes rain spouts cables and other vertical objects where holes can provide an entrance to your home.
Use a heavy grade of steel wool copper mesh or metal scouring pads to fill cracks and holes in exterior walls.
The soil vents also known as a vent stack can let rats into your home.
One common style of vent that is located on the roof is commonly called a j vent.
Especially on a roof where you will have difficulty getting up to clean it.
Caulk all exterior wall cracks.