Rats are one intruder that no homeowner ever wants to have to contend with. Not only are rats unsanitary, but they’re also notoriously difficult to get rid of. If you want to keep rats and other pests from sneaking into your home, it’s important to cut off their means of entrance. Check all of your walls and doorways for small holes that mice might be able to creep through. As this video shows, you can patch up some of these holes using a substance as simple as steel wool. Watch the full clip for a demonstration. If you still can’t keep pests out of your home in Pleasanton, CA, call a rodent-proofing specialist.