rat trapping and sealing 2

https://super-wiki.win/index.php/Integrated_Rat_Trapping_and_Sealing:_A_Complete_Approach_to_Rodent_Control

Rat trapping and sealing go hand in hand: you trap the active rats inside to reduce the population, then seal up all the gaps and holes they use to get in or out. If you only trap without sealing, more rats just move in from outside. You need to find where they travel, set snap traps along their runways, and after you catch a few, inspect your whole building for openings the size of a quarter or bigger. Fill those with steel wool, caulking, or hardware cloth, and the problem eventually stops re…