Technical directory · Ducts
Rodent evidence in ductwork
Droppings or nesting material call for pest exclusion and safe handling, not an ordinary dust-only service.
What to observe
Document signs without spreading material; identify entry points and affected sections.
A field example
Cleaning droppings without sealing an entry point treats the result, not the path. Document the affected section and coordinate pest exclusion before a contractor disturbs contaminated material.
What the written work should say
Coordinate pest correction, damaged-material decisions and a qualified cleaning scope before system operation if contamination is substantial.
Where this task stops
Cleaning without closing entry points invites recurrence; avoid unverified pathogen claims.