If a couple of rats were to descend on a piece of metal and gnaw at it for a very long time.
Do Rats Chew Through Walls. Rat bite fever is present in the saliva in a. Rats can chew through lead, cinderblock, brick, mortar, aluminum, wood, glass, vinyl and improperly cured concrete.
Why Do Rats Chew Through Everything? from www.crittercontroloforlando.com
Use an appropriate sealant to block any nooks and crannies. Rats will try to enter your home through any gaps or cracks in external walls. Rats and mice can't see beyond 3 or 4 feet but they have keen senses of smell, touch and hearing.
Wood and sheetrock will not.
How a rat or mouse in the wall can damage your home. This fact combined with chewing is why chicken wire is not your best defense. Time is another factor that affects what rats are able to chew through. Mcgee says the rats have gnawed into her home, chewing through power wires and visiting her bedroom after dark.
