Point Defiance Zoo & Aquarium (PDZA) Admin Crawlspace Encapsulation
Posted
Sep 29, 2026
Nov 10, 2026
Seal all rodent and pest entry points using metal mesh and concrete, install drainage trenches and a high-powered sump pump to control groundwater, encapsulate the crawlspace with a heavy-duty plastic liner, set three industrial dehumidifiers to maintain dry conditions and prevent mold.

