​

Events that create reservoirs for microbial growth in our area:

​

• Dirt crawl spaces

• Chimney: flashing, cracking, crowning

• Mortar compromises

• Improper ventilation due to closed off registers and returns 

• Downspout standpipes (Washington, DC)

• standpipes

• Negative grading

• Sump pump failure

• Damp insulation

• HVAC condensation line issues  

• Roof and or window leaks

• Poorly fitted or formed flashing and cavities

• Gutter ice damming

• Sewage back-ups

• Plumbing leaks (water heater, washing machine, dishwasher, hose bib)

• Condensation from poorly insulated ductwork

• Exhaust pipe flashing

• Standing water

• Exterior door area drains

• compromised basement waterproofing 

• Excessive amounts of books, newspapers, cardboard boxes, plants, aquariums, and people.

• Poorly ventilated areas

​

 

​

​