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The most significant damage that bees cause is the removal of the moisture barrier, building felt, and vapor barrier in walls. When a bee hive moves into a wall void, it expands very quickly to the point it touches the moisture barrier or building felt. Without a quick removal, the bees will remove this paper by chewing through to the stucco, wood, or whatever surface the wall is constructed of. This can be easily proven in that often beekeepers use paper to temporarily separate two hives that they are combining. Within a few days the paper is eaten through. So it is not uncommon that they chew through paper.

Another type of damage that is very well-known occurs when a bee hive dies within a wall, or when the bees cannot cool the hive fast enough. It is very common for bees to have from 20 50 pounds of honey in their hives. So, when the bees stop flapping their wings due to a weak hive or dead hive, the outside temperature if hot will cause the hive to melt and the honey will ooze out of the hive and fall and rest on the wood stud below it. After a while this will lead to severe structural damage resultig in mold and dryrot (Needham, 2010). This can cause significant structural damage and absolutely has to be removed and repaired. With the rampant diseases affecting the honey bee, this is a concern.