Pest-proofing attics prevents unwanted guests nesting out-of-sight! Seal cracks using caulk while installing screens

https://www.instapaper.com/read/1811013352

Pest-proofing attics prevents unwanted guests nesting out-of-sight! Seal cracks using caulk while installing screens over vents allowing airflow yet blocking entry pathways small mammals might try exploiting easily accessing spaces undetected!