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Bat Entry Gap Troubleshooting Guides
Published FixGraph guidance for diagnosing and responding to bat entry gap.
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Bat entry gap guano near: What to Check and What to Do Next
Guano near a gap is evidence that bats may be using an entry route, but it does not tell you whether the opening is active, how many bats are inside, or whether young are present. From the ground and ordinary occupied rooms, document the gap, droppings, sounds, and dusk activity without entering an attic, touching guano or bats, climbing, trapping, or sealing the opening.
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Bat entry gap: What to Check and What to Do Next
Do not seal a suspected bat entry gap while bats may still be inside, and do not handle a bat or climb onto a roof to investigate. From the ground, note where bats appear at dusk, whether the opening leads toward an occupied room, and whether there are droppings, staining, or repeated exits.