The best way to keep mice out of the house is to block all possible openings and holes in foundations and walls that are larger than one-quarter inch. Mice will chew through wood, including cedar. … Mice are not bothered by chemical scent repellants or strong smelling essential oils such as mint or cedar.

What kind of wood keeps mice away?

If you prefer natural techniques to eliminate mice, cedar may be the best mouse repellent for you. It is a safe and natural method of repelling the rodent away from your home.

Do rats dislike cedar?

In the past, bedding for pet rats commonly contained cedar shavings, so clearly cedar wood doesn’t repel them. Rat owners consider the material toxic to rats because the aromatic hydrocarbons in the wood can damage the rats’ livers when the rodents inhale particles. That means the wood is only harmful, not repellent.