Sealing your eaves is key to a rat-free attic because roof-line gaps
https://westus1.blob.core.windows.net/home-hub/why-san-diegos-climate-makes-roof-rat-proofing-a-year-round-job.html
Sealing your eaves is key to a rat-free attic because roof-line gaps and attic vent openings should be screened with corrosion-proof mesh and properly sealed to block access.