1.   But insulated attics, root cellars and cathedral ceilings are favorite overwintering places, and because these beetles are forest inhabitants, homes in wooded areas are particularly susceptible.

2.   It is actually the result of tiny amounts of condensation that form on the inside of insulated outside walls and the ceilings under insulated attics.

3.   Q. How cold will an insulated attic get without vents?

4.   This does not happen in houses with insulated attic floors and ventilated attics because those attics and roofs are cold.