Tips for Maintaining You Bat HouseAirtight seams.Inspect the bat house interior using a spotlight. If bats are present, wait until later in the season to do routine maintenance. Once during each winter the bat house should be inspected carefully for broken seams. Daily heating and cooling can cause roof seams to separate after a few years. Daylight entering around the roof is a sure sign of needed repair, but be careful not to mistake broken seals with normal daylight entering through the side vents. If left in disrepair, bats may abandon or never utilize a cold roost. A ladder can be placed against a post-mounted bat house in order to apply fresh roof repair sealant over all seams. Check to make sure the roofing paper and landing screen is intact. In addition, is a good idea to re-stain or paint the bat house every few years to prolong its life.Wasp nests.Paper wasps form gray honeycomb shaped nests on the ceiling of bat houses (an example of this nest can be seen in the upper left co...
